Waste Treatment and Management with Industrial and Municipal Digestion Plants and Biomethanisation Plants to Treat Sorted Organic Wastes and Bio Wastes
Waste Treatment and Management
The companies from different industries, farms and municipalities are all under pressure and constraints and they must take more and more into consideration the environmental impact of their waste management. Reaching those objectives will require the waste producer to develop projects and specific competencies in waste treatment to be able to come up with solutions to the economical, legal and technical constraints and challenges. The waste producers focusing on their day to day operations don`t always have the possibilities to put in place internal resources to realize by themselves those projects. It becomes very difficult for them to continuously follow the applicable regulations and laws, their predictable evolutions and at the same time the new technologies for waste treatment. Objectives of Waste Producers Reduction of the volume of their pollution Waste treatment cost reduction Research to find alternatives to limit pollution A logistic for waste collection in selecting and sorting them Decentralized energy management Regarding the knowledge of the laws and regulations in place and the new rules in development, BIO-METHA will provide the waste producers with the knowledge and support they need on the regulations applicable to their operations. BIO-METHA will support them during the medium term process of the evolution of a responsible politic for the protection of the environment. The mastering of the know-how of the different processes in the waste treatment and the elaboration of plans for waste valorization is based on residual waste analysis in terms of available quantities and potential for waste improvement and the possibilities for commercial distribution of improved waste products. BIO-METHA understands the problems the waste producers have to deal with. BIO-METHA and their partners have built their expertise on many consulting projects with the waste producers like industrials in chemical, pharmaceutical, cosmetics, food process, paper, textile, grocery stores, restaurants, municipalities and animal farms. BIO-METHA develops solutions and is constantly in contact with the creators of innovative solutions. BIO-METHA is in constant relation with the international players in waste treatment and sustainable energies in congress, meeting with specialists where they exchange information on the latest developments in this matter. Turn Key Solutions Analysis: Biowaste management Quantities composition logistic Solutions for treatment and associated costs Diagnostic: Waste reduction Possibilities for waste valorization Long terms proposed solutions Financial valorization of the strategy Deployment: Help in the negotiation process with administrative entities Help find money grants, loans to finance the project Assistance in meeting applicable laws for the installations Information and communication programs development
The companies from different industries, farms and municipalities are all under pressure and constraints and they must take more and more into consideration the environmental impact of their waste management. Reaching those objectives will require the waste producer to develop projects and specific competencies in waste treatment to be able to come up with solutions to the economical, legal and technical constraints and challenges. The waste producers focusing on their day to day operations don`t always have the possibilities to put in place internal resources to realize by themselves those projects. It becomes very difficult for them to continuously follow the applicable regulations and laws, their predictable evolutions and at the same time the new technologies for waste treatment. Objectives of Waste Producers
Regarding the knowledge of the laws and regulations in place and the new rules in development, BIO-METHA will provide the waste producers with the knowledge and support they need on the regulations applicable to their operations. BIO-METHA will support them during the medium term process of the evolution of a responsible politic for the protection of the environment.
The mastering of the know-how of the different processes in the waste treatment and the elaboration of plans for waste valorization is based on residual waste analysis in terms of available quantities and potential for waste improvement and the possibilities for commercial distribution of improved waste products.
BIO-METHA understands the problems the waste producers have to deal with. BIO-METHA and their partners have built their expertise on many consulting projects with the waste producers like industrials in chemical, pharmaceutical, cosmetics, food process, paper, textile, grocery stores, restaurants, municipalities and animal farms. BIO-METHA develops solutions and is constantly in contact with the creators of innovative solutions. BIO-METHA is in constant relation with the international players in waste treatment and sustainable energies in congress, meeting with specialists where they exchange information on the latest developments in this matter.
Analysis:
Diagnostic:
Deployment:
Industrial and Municipal Digestion Plants
The technologies used for municipalities and industries are very similar with the exception of domestic and industrial waste collection requiring a pre-selection of the biowaste that will be mixed in the digestors. Industrial and Municipal Digestion Plants Large-scale industrial digestion plants are used for biowaste and kitchen waste digestion. Biowaste is collected in special bins in every single household in Canada. Depending on the season it consists more or less out of kitchen and/or garden waste. Kitchen waste is collected in restaurants, hotels, universities and so on. Years ago most of the kitchen waste was fed to pigs. But nowadays, as there are more and more restrictions because of hygiene it is becoming increasingly more common to put kitchen waste into biogas plants. Before digestion, biowaste and kitchen waste have to be treated. This pretreatment includes foreign objects removal, grinding, sieving and homogenisation. Plastics, stones, forks, knives - any of which may hamper the digestion process itself or damage any pump, mixer or whatever have to be taken out of the process. Grinding means to reduce particle size so that all parts can be pumped and mixed readily. Paper shredder can be used to mix the paper with the other biowastes. As kitchen waste has to be hygienic - normally at a temperature of 70° C with a retention time of one hour - particle size must be no greater then 1 cm. A sieve is used to remove all large particles just before entry into digestion. Of course, everything has to be slurred with liquid to make it pumpable. All the pretreatment is performed within a hall. To digest biowaste is much more complicated than manure - and kitchen waste digestion is even more difficult. Depending on the amount of kitchen waste included in the biowaste, you may have to use a two-stage digestion process technology. In such a case a so called hydrolysis tank is necessary. In it the first biological processes take place. The hydrolysis gas consists mainly of CO2 and can either be added to the biogas from the digester or to a biofilter for odour treatment before being emitted to the environment. After hydrolisation is finished the substrate is pumped to the digester. In it all the biogas production takes place. The retention time depends on the substrate, the temperature and the intention of the operator. As there are tendencies for the substrate to develop swimming and sedimentation layers, one of the most important tasks of the process technique is to avoid exactly this. Complete mixing is absolutely necessary. Tanks are mainly coated steel tanks; the standard is an industrial one. The produced biogas is treated in a manner very similar to farm-scale and cofermentation biogas plants. Gas engines and diesel gas engines are in operation. But in most cases gas engines are used. Power can be several MW. Large-scale cofermentation biogas plants have large gas holders and emergency flares in case the engine(s) is (are) not in operation and biogas has to be burnt. The gas system may include a blower, condensate trap, desulphurisation unit and so on. Everything is controlled by a gas system control unit. The digested substrate is dewatered. The compost is either spread onto the fields for agricultural use or composted (cured). After this standard composting people can buy high quality compost for their own use or the compost is used in nurseries, gardening, viniculture and landscape-gardening. After dewatering the liquid phase is pumped to the beginning of the process and recycled for slurrying of the dry input substrate. This is done to avoid spoiling fresh water all the time. Mechanically it is fairly simple but there are several microbiological problems. As there are lots of dissolved salts within the liquid phase high concentrations may develop there after several cycles. This may hamper the growth of microorganisms - depending on the input substrate. All the large-scale digestion plants are controlled by an overall process control system. There are lots of devices for measurement and safety reasons. At night everything is run automatically; during day there are operators on site - especially for pretreatment, repair and maintenance reasons and for accepting the biowaste and kitchen waste. Large-scale digestion plants are constructed for one reason only: to make a profit. Therefore the plant must operate day and night. The investment costs may be up to several million dollars. Depending on the input substrate, the pretreatment aggregates have to be engineered and constructed. The hydraulic retention time may vary as a function of the input substrate and the pretreatment. This has a direct impact on the digester volume. Therefore a great deal of know how is needed to construct a large-scale digestion plant. Biowaste digestion is not simple. After many years of engineering such kinds of plants, BIO-METHA with their partners are able to offer competent know-how.
The technologies used for municipalities and industries are very similar with the exception of domestic and industrial waste collection requiring a pre-selection of the biowaste that will be mixed in the digestors.
Large-scale industrial digestion plants are used for biowaste and kitchen waste digestion. Biowaste is collected in special bins in every single household in Canada. Depending on the season it consists more or less out of kitchen and/or garden waste. Kitchen waste is collected in restaurants, hotels, universities and so on. Years ago most of the kitchen waste was fed to pigs. But nowadays, as there are more and more restrictions because of hygiene it is becoming increasingly more common to put kitchen waste into biogas plants. Before digestion, biowaste and kitchen waste have to be treated. This pretreatment includes foreign objects removal, grinding, sieving and homogenisation. Plastics, stones, forks, knives - any of which may hamper the digestion process itself or damage any pump, mixer or whatever have to be taken out of the process.
Grinding means to reduce particle size so that all parts can be pumped and mixed readily. Paper shredder can be used to mix the paper with the other biowastes. As kitchen waste has to be hygienic - normally at a temperature of 70° C with a retention time of one hour - particle size must be no greater then 1 cm. A sieve is used to remove all large particles just before entry into digestion. Of course, everything has to be slurred with liquid to make it pumpable. All the pretreatment is performed within a hall. To digest biowaste is much more complicated than manure - and kitchen waste digestion is even more difficult. Depending on the amount of kitchen waste included in the biowaste, you may have to use a two-stage digestion process technology. In such a case a so called hydrolysis tank is necessary. In it the first biological processes take place. The hydrolysis gas consists mainly of CO2 and can either be added to the biogas from the digester or to a biofilter for odour treatment before being emitted to the environment. After hydrolisation is finished the substrate is pumped to the digester. In it all the biogas production takes place. The retention time depends on the substrate, the temperature and the intention of the operator. As there are tendencies for the substrate to develop swimming and sedimentation layers, one of the most important tasks of the process technique is to avoid exactly this. Complete mixing is absolutely necessary.
Tanks are mainly coated steel tanks; the standard is an industrial one. The produced biogas is treated in a manner very similar to farm-scale and cofermentation biogas plants. Gas engines and diesel gas engines are in operation. But in most cases gas engines are used. Power can be several MW. Large-scale cofermentation biogas plants have large gas holders and emergency flares in case the engine(s) is (are) not in operation and biogas has to be burnt. The gas system may include a blower, condensate trap, desulphurisation unit and so on. Everything is controlled by a gas system control unit. The digested substrate is dewatered. The compost is either spread onto the fields for agricultural use or composted (cured). After this standard composting people can buy high quality compost for their own use or the compost is used in nurseries, gardening, viniculture and landscape-gardening.
After dewatering the liquid phase is pumped to the beginning of the process and recycled for slurrying of the dry input substrate. This is done to avoid spoiling fresh water all the time. Mechanically it is fairly simple but there are several microbiological problems. As there are lots of dissolved salts within the liquid phase high concentrations may develop there after several cycles. This may hamper the growth of microorganisms - depending on the input substrate. All the large-scale digestion plants are controlled by an overall process control system. There are lots of devices for measurement and safety reasons. At night everything is run automatically; during day there are operators on site - especially for pretreatment, repair and maintenance reasons and for accepting the biowaste and kitchen waste.
Large-scale digestion plants are constructed for one reason only: to make a profit. Therefore the plant must operate day and night. The investment costs may be up to several million dollars. Depending on the input substrate, the pretreatment aggregates have to be engineered and constructed. The hydraulic retention time may vary as a function of the input substrate and the pretreatment. This has a direct impact on the digester volume. Therefore a great deal of know how is needed to construct a large-scale digestion plant.
Biowaste digestion is not simple. After many years of engineering such kinds of plants, BIO-METHA with their partners are able to offer competent know-how.
Biomethanisation Plant and Cofermentation Biogas Plant
Biomethanisation Plant for Farms The principle layout of a farm-scale agricultural biomethanisation plant is quite simple. Manure is collected in a reservoir nearby the digester. From this reservoir the digester is fed by a pump. The digester itself is a gas-tight completely sealed tank out of steel or concrete. It is insulated because there must be a fixed optimal temperature inside it for the microorganisms. This temperature can be either mesophilic with about 35° C or thermophilic with about 55° C. Inside the digester there is an agitator. This agitator is responsible for complete mixing of digester`s contents. The operator must ensure that there is no possibility for the development of swimming-layers and/or sedimentation. Additionally, the microorganisms must be supplied with all necessary nutrients. Fresh manure has to be fed to the digester several times a day, in small quantities. The average hydraulic retention time of the manure inside the digester is - depending on the substrate - between 10 and 20 days. During this time the organic substances in the manure are metabolized by the microorganisms. There are two different outputs: biogas and digested substrate. The latter is stored in a standard manure storage tank. In Canada it is most common to use it as a fertilizer because of it high ammonia concentration (NH4). The biogas is stored in a gas storage tank. Here all irregularities in quality and quantity will be equalized. From the gas storage tank there is continuous supply to a gas or diesel gas engine. Here heat and electricity is produced. Initially, the farmer used to use the electricity produced on his own farm. He saved money because he needed electricity from outside sources. Surplus electricity can be sold to the nearest public utility company - . Especially in such situations where there is no (or few) consumer on the farm that need electricity, the farmer earns money by selling the electricity from renewable energy ‚biogas`. The heat produced can be used for heating the stables, the farm-house, drying of grain and many other useful purposes. In general, about 10 to 30% of the electricity and heat produced have to be used for direct consumption by the biogas plant itself. Surplus electricity and heat are used for the financing of the biogas plant. Normal times for writing-off are 4 to 8 years. Of course, there are other ways to utilise biogas. For example, all the biogas can be used for heat production: steam or hot water. This is attractive if there is need for large amounts of steam. Or the heat can be used to power refrigeration - this can be employed, for example, for cooling stored fresh milk in a dairy. Cofermentation Biogas Plant To improve economy of biogas plants some owners decide not to digest manure alone but to take other organic substances - so-called coferments - as well. Typical coferments are fats, market wastes, spice residues, residues from food industry and many similar substances. The operator of the cofermentation biogas plant increases his earnings in two ways: first, just by taking the coferments from the person who wants to dispose them and second, through higher biogas production. Cofermentation biogas plants are generally (much) larger then farm-scale biogas plants. Sometimes they still conform to the agricultural standards but most often to the industrial ones. In Europe many large-scale cofermentation biogas plants have been constructed at a location central to several (large) farms. All these surrounding farms deliver their manure to the plant. Additionally coferments are delivered. The standard ratio is about 3:1 to 2:1 for manure and coferments. The manure from all the surrounding farms is delivered by trucks or pumped to the cofermentation biogas plant. The coferments are delivered by truck. These trucks are unloaded in sumps which are normally closed to reduce odour emissions and opened only for adding the coferments. For further reduction of odours sometimes all deliveries are made within a closed hall. At first the coferments are ground, hygienized and mixed with manure. Hygienisation is most often performed at 70° C for one hour with a maximum particle size of 1 cm. The homogenisation with manure is performed in a mixing tank with strong agitators. After this pretreatment all the organics are pumped into the digester. Normally large tanks are constructed out of coated steel. Coatings are either enamel or epoxy. Most tanks are bolted together. Standard digestion volumes of cofermentation biogas plants range from 500 m³ to several thousand m³. Mixing is sometimes done by a centrally located mixer on top of the roof, sometimes by submersible stirrers. The biogas produced is used in gas or diesel gas engines. Power can be several MW. Large-scale cofermentation biogas plants have emergency flares in case the engine(s) is (are) not in operation and biogas has to be burnt. The gas system may include a blower, condensate trap, desulfurisation and so on. Everything is controlled by a gas system control unit. Digested manure is pumped into a standard manure storage tank. An ever-increasing number of these tanks are covered with a roof to collect as much biogas as possible. Although the gas production inside manure storage tank is not large, it is worthwhile to collect some of the roof incorporate biogas storage membranes. All large-scale cofermentation biogas plants are controlled by an overall process control system. There are many devices for measurement and safety purposes. At night everything is run automatically, during the day there are operators on site - especially for repair and maintenance reasons and for taking the coferments and manure. Large-scale cofermentation biogas plants are constructed for one reason only: to make a profit. Therefore, the plant must operate day and night. The investment costs may be as high as several million dollars. Depending on the input substrates the pretreatment has to be engineered and constructed. Indeed, depending on the input substrate and the pretreatment, the hydraulic retention time may vary. This has direct impact on the digester volume. Therefore, a lot of expert information is needed to construct such a large-scale cofermentation biogas plant. BIO-METHA and their partners offer this know-how.
The principle layout of a farm-scale agricultural biomethanisation plant is quite simple. Manure is collected in a reservoir nearby the digester. From this reservoir the digester is fed by a pump. The digester itself is a gas-tight completely sealed tank out of steel or concrete. It is insulated because there must be a fixed optimal temperature inside it for the microorganisms. This temperature can be either mesophilic with about 35° C or thermophilic with about 55° C. Inside the digester there is an agitator. This agitator is responsible for complete mixing of digester`s contents.
The operator must ensure that there is no possibility for the development of swimming-layers and/or sedimentation. Additionally, the microorganisms must be supplied with all necessary nutrients. Fresh manure has to be fed to the digester several times a day, in small quantities. The average hydraulic retention time of the manure inside the digester is - depending on the substrate - between 10 and 20 days. During this time the organic substances in the manure are metabolized by the microorganisms.
There are two different outputs: biogas and digested substrate. The latter is stored in a standard manure storage tank. In Canada it is most common to use it as a fertilizer because of it high ammonia concentration (NH4). The biogas is stored in a gas storage tank. Here all irregularities in quality and quantity will be equalized. From the gas storage tank there is continuous supply to a gas or diesel gas engine. Here heat and electricity is produced. Initially, the farmer used to use the electricity produced on his own farm. He saved money because he needed electricity from outside sources. Surplus electricity can be sold to the nearest public utility company - . Especially in such situations where there is no (or few) consumer on the farm that need electricity, the farmer earns money by selling the electricity from renewable energy ‚biogas`.
The heat produced can be used for heating the stables, the farm-house, drying of grain and many other useful purposes. In general, about 10 to 30% of the electricity and heat produced have to be used for direct consumption by the biogas plant itself. Surplus electricity and heat are used for the financing of the biogas plant. Normal times for writing-off are 4 to 8 years. Of course, there are other ways to utilise biogas. For example, all the biogas can be used for heat production: steam or hot water. This is attractive if there is need for large amounts of steam. Or the heat can be used to power refrigeration - this can be employed, for example, for cooling stored fresh milk in a dairy.
To improve economy of biogas plants some owners decide not to digest manure alone but to take other organic substances - so-called coferments - as well. Typical coferments are fats, market wastes, spice residues, residues from food industry and many similar substances. The operator of the cofermentation biogas plant increases his earnings in two ways: first, just by taking the coferments from the person who wants to dispose them and second, through higher biogas production. Cofermentation biogas plants are generally (much) larger then farm-scale biogas plants. Sometimes they still conform to the agricultural standards but most often to the industrial ones.
In Europe many large-scale cofermentation biogas plants have been constructed at a location central to several (large) farms. All these surrounding farms deliver their manure to the plant. Additionally coferments are delivered. The standard ratio is about 3:1 to 2:1 for manure and coferments. The manure from all the surrounding farms is delivered by trucks or pumped to the cofermentation biogas plant. The coferments are delivered by truck. These trucks are unloaded in sumps which are normally closed to reduce odour emissions and opened only for adding the coferments. For further reduction of odours sometimes all deliveries are made within a closed hall. At first the coferments are ground, hygienized and mixed with manure. Hygienisation is most often performed at 70° C for one hour with a maximum particle size of 1 cm.
The homogenisation with manure is performed in a mixing tank with strong agitators. After this pretreatment all the organics are pumped into the digester. Normally large tanks are constructed out of coated steel. Coatings are either enamel or epoxy. Most tanks are bolted together. Standard digestion volumes of cofermentation biogas plants range from 500 m³ to several thousand m³. Mixing is sometimes done by a centrally located mixer on top of the roof, sometimes by submersible stirrers. The biogas produced is used in gas or diesel gas engines. Power can be several MW.
Large-scale cofermentation biogas plants have emergency flares in case the engine(s) is (are) not in operation and biogas has to be burnt. The gas system may include a blower, condensate trap, desulfurisation and so on. Everything is controlled by a gas system control unit. Digested manure is pumped into a standard manure storage tank.
An ever-increasing number of these tanks are covered with a roof to collect as much biogas as possible. Although the gas production inside manure storage tank is not large, it is worthwhile to collect some of the roof incorporate biogas storage membranes.
All large-scale cofermentation biogas plants are controlled by an overall process control system. There are many devices for measurement and safety purposes. At night everything is run automatically, during the day there are operators on site - especially for repair and maintenance reasons and for taking the coferments and manure. Large-scale cofermentation biogas plants are constructed for one reason only: to make a profit. Therefore, the plant must operate day and night. The investment costs may be as high as several million dollars. Depending on the input substrates the pretreatment has to be engineered and constructed. Indeed, depending on the input substrate and the pretreatment, the hydraulic retention time may vary. This has direct impact on the digester volume.
Therefore, a lot of expert information is needed to construct such a large-scale cofermentation biogas plant. BIO-METHA and their partners offer this know-how.
Bio Waste
Methanizable and Non-Methanizable Waste Most of the wastes that we produce are methanizable. All substances coming from animal or vegetable world and that didn`t go through important artificial transformation is methanizable. For instance, the hydrocarbons are natural substances and are methanizable. The plastic materials created from the polymerization of those products are not methanizable. The molecular links artificially created by humans during the polymerization are too strong to allow any action to them by the bacteria. The methanization will take place in a water saturated environment, which is very efficient to treat liquid products. It can treat all the organic matter as fat, grease, sugar or protein. The methanizable waste list includes: The fraction of domestic wastes considered to be organic Papers and cartons Wastes from kitchen and restaurant (schools, offices, restaurants, hospitals) Green wastes from residents, municipalities, industries, farms Organic wastes from supermarket or distribution channel Products not sold or bad products Over production of fruit and vegetable Effluents from animals : manures and others Wastes from food industry Green alga Flours Solid waste from waste water treatment plants Solid waste from industrial waste water treatment plants from food, pulp and paper, chemical, cosmetic, pharmaceutical, textile. The potential of biogas production of the waste will depend on its concentration of dry matters and organic matters. Manure is very liquid (m.s: 4 à 5%) and have a low potential: 20 to 25 m3 of biogas per m3 of manure. Fats have a high potential where they can produce 700 to 800 m3 per m3. Some substances are not favorable: too much nitrogen in the form of ammoniac (concentration more than 3 g/l) or salt (concentration more than 8 g/l) can reduce the efficiency of the methanization process. It becomes essential to know the detailed waste composition that go in the digester. Laboratory tests are recommended to verify the digestibility of all wastes to be treated.
Most of the wastes that we produce are methanizable. All substances coming from animal or vegetable world and that didn`t go through important artificial transformation is methanizable. For instance, the hydrocarbons are natural substances and are methanizable. The plastic materials created from the polymerization of those products are not methanizable. The molecular links artificially created by humans during the polymerization are too strong to allow any action to them by the bacteria. The methanization will take place in a water saturated environment, which is very efficient to treat liquid products. It can treat all the organic matter as fat, grease, sugar or protein.
The potential of biogas production of the waste will depend on its concentration of dry matters and organic matters. Manure is very liquid (m.s: 4 à 5%) and have a low potential: 20 to 25 m3 of biogas per m3 of manure. Fats have a high potential where they can produce 700 to 800 m3 per m3. Some substances are not favorable: too much nitrogen in the form of ammoniac (concentration more than 3 g/l) or salt (concentration more than 8 g/l) can reduce the efficiency of the methanization process. It becomes essential to know the detailed waste composition that go in the digester. Laboratory tests are recommended to verify the digestibility of all wastes to be treated.
Biomethanization
The word methanization means the decomposition of organic matters using microorganisms without oxygen or under anaerobic conditions. This process involves the participation of multiple bacteria who will transform together the organic waste in biogas. The biogas is composed of 2/3 methane CH4 and around 1/3 of CO2 and small amount of other gas. The anaerobic bacteria are organisms from the prehistoric period where they developed when the atmosphere on earth didn`t have oxygen. If we consider all types of material with the exception of the lignine, the strong component of the wood, these bacteria can decompose and transform most of biogen matters. The most important part of the energy coming from the decomposition is included in the methane. The bacteria don`t have too much energy for their development and reproduction. The methanization in comparison with the compost process won`t generate extra heat energy. In opposition to compost process where primitive mushrooms and other low organisms participate to the decomposition of organic wastes, the methanization or anaerobic digestion is a process exclusively done with bacteria. The anaerobic bacteria can live easily in water or humid environment. This is why the decomposition in anaerobic processes is favorable for humid matters easy to degrade. Biomethanization is the best way to treat sorted organic wastes from the source. Other than the solid biogen wastes, loaded effluents of organic pollution coming from the industry are very good for decomposition by methanization. The anaerobic treatment is, most of the time, characterized, not only by a very positive energy production but will also present an important advantage in generating much less biomass bacteria meaning less solid waste. In agriculture, methanization will not only generate energy but also create good fertilizer for the farm. The biomethanization is economically very interesting for installation that can treat a combination of manures and other wastes like vegetables, wastes from animal bodies, etc.
The word methanization means the decomposition of organic matters using microorganisms without oxygen or under anaerobic conditions. This process involves the participation of multiple bacteria who will transform together the organic waste in biogas.
The biogas is composed of 2/3 methane CH4 and around 1/3 of CO2 and small amount of other gas. The anaerobic bacteria are organisms from the prehistoric period where they developed when the atmosphere on earth didn`t have oxygen. If we consider all types of material with the exception of the lignine, the strong component of the wood, these bacteria can decompose and transform most of biogen matters. The most important part of the energy coming from the decomposition is included in the methane. The bacteria don`t have too much energy for their development and reproduction. The methanization in comparison with the compost process won`t generate extra heat energy.
In opposition to compost process where primitive mushrooms and other low organisms participate to the decomposition of organic wastes, the methanization or anaerobic digestion is a process exclusively done with bacteria. The anaerobic bacteria can live easily in water or humid environment. This is why the decomposition in anaerobic processes is favorable for humid matters easy to degrade. Biomethanization is the best way to treat sorted organic wastes from the source.
Other than the solid biogen wastes, loaded effluents of organic pollution coming from the industry are very good for decomposition by methanization. The anaerobic treatment is, most of the time, characterized, not only by a very positive energy production but will also present an important advantage in generating much less biomass bacteria meaning less solid waste. In agriculture, methanization will not only generate energy but also create good fertilizer for the farm. The biomethanization is economically very interesting for installation that can treat a combination of manures and other wastes like vegetables, wastes from animal bodies, etc.
Services
BIO-METHA is teaming with the best technology companies in the world to deliver the state of the art Biometanization Plants in Canada. Studies We conduct studies for technical and economical investigations: Preliminary studies before planning and construction starts Studies about the most effective process technologies Studies about influences of different types of input Studies about impacts of spreading digested substrates onto fields Studies about improvement of existing plants Conception The choice of the best process technology from a technical and economical point of view depends largely on the input substrate. BIO-METHA and their partners have a great variety of experience with one- and two-stage, mesophilic and thermophilic biogas plants. We have experience in treatment of all types of manure, biowaste, kitchen waste, sludges, etc. Calculation Performing the cost assessment for complete biogas plants is our daily business. We do not only perform calculations for our own biogas plants but we offer our special knowledge to our clients. Using our conceptions and calculations, other companies, for example plant construction companies, are able to provide their clients with quotations - and can be sure that they have a proper quotation. Permission We help our clients obtain the required permission for their new biogas plants. Either we work together with our clients or we do everything for them on our own depending on the situation. Engineering We do the engineering for all kinds of biogas and digestion plants Engineering for complete plants Engineering for process technology Engineering for heat exchangers, process control systems, measurement Engineering for flow sheets Pre-engineering, detailed and final engineering Construction We do all the organization at construction sites and supervise all construction work on site - in Canada: Construction of civil works Construction of tanks and assembly of mixers Construction of pretreatment halls Construction of pumps, tubes. pipes, and equipment Start-up We start all types of biogas and digestion plants: Checking of all parts of the plant Checking of all equipment Checking of inoculation and microorganisms Checking of substrate Checking of biogas production Improvement We optimize existing plants: Improvement in technique and economy Improvement in process technology Improvement in equipment such as heat exchangers, gas and diesel gas engines Improvement In Measurement And Control Devices Delivery of equipment Especially outside Europe there are many countries in which biogas plants are not common. Often there is lack of appropriate equipment or no experience with corrosion and biogas resistance exists. As a result of our many years of experience and involvement in more then 300 biogas plant jobs, BIO-METHA and their partners can competently advise customers on obtaining parts from experienced companies: pretreatment equipment, tanks, pumps, gas system, safety devices, measurement devices, mixers, gas holders, gas engines, diesel gas engines - all required equipment. And we know who delivers the best equipment at the best rates worldwide. We can help you find this. Turnkey biogas and digestion plants Together with our partners we not only offer competent know-how as an expert consulting office but we also provide complete turnkey biogas plants.
BIO-METHA is teaming with the best technology companies in the world to deliver the state of the art Biometanization Plants in Canada.
Studies
We conduct studies for technical and economical investigations:
Conception
The choice of the best process technology from a technical and economical point of view depends largely on the input substrate. BIO-METHA and their partners have a great variety of experience with one- and two-stage, mesophilic and thermophilic biogas plants. We have experience in treatment of all types of manure, biowaste, kitchen waste, sludges, etc.
Calculation
Performing the cost assessment for complete biogas plants is our daily business. We do not only perform calculations for our own biogas plants but we offer our special knowledge to our clients. Using our conceptions and calculations, other companies, for example plant construction companies, are able to provide their clients with quotations - and can be sure that they have a proper quotation.
Permission
We help our clients obtain the required permission for their new biogas plants. Either we work together with our clients or we do everything for them on our own depending on the situation.
Engineering
Construction
We do all the organization at construction sites and supervise all construction work on site - in Canada:
Start-up
We start all types of biogas and digestion plants:
Improvement
We optimize existing plants:
Delivery of equipment
Especially outside Europe there are many countries in which biogas plants are not common. Often there is lack of appropriate equipment or no experience with corrosion and biogas resistance exists. As a result of our many years of experience and involvement in more then 300 biogas plant jobs, BIO-METHA and their partners can competently advise customers on obtaining parts from experienced companies: pretreatment equipment, tanks, pumps, gas system, safety devices, measurement devices, mixers, gas holders, gas engines, diesel gas engines - all required equipment. And we know who delivers the best equipment at the best rates worldwide. We can help you find this.
Turnkey biogas and digestion plants
Together with our partners we not only offer competent know-how as an expert consulting office but we also provide complete turnkey biogas plants.
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