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ENVIROTROL, INC.

About us
Activated Sorbents
Adsorption Equipment
Custom Services
Spent Media Management
Food Grade Carbons



Activated Carbon Products for Wastewater Treatment, Groundwater Remediation, Odor Control Applications, Air Purification Applications and More


Envirotrol provides custom solutions to purification and environmental problems utilizing a wide range of activated carbon products and services, with a commitment to total customer satisfaction. We provide high quality virgin and reactivated carbons, custom segregated reactivation, on-site change-out services, adsorption systems and bulk transportation. Accessing both foreign and domestic sources, Envirotrol`s activated carbons are certified to assure optimum performance. To enable complete solutions, Envirotrol supplies a full line of carbon adsorption equipment. We provide custom adsorption systems and our standard equipment line ranges in size from 55 gallon drum adsorbers through multiple 20,000 lb. vessels. We are the ``only`` choice for Total Activated Carbon Services and 100% customer satisfaction.

Custom Thermal Treatment Services and Segregated Processing

Envirotrol receives and reactivates your spent media separately from all others. This guarantees that only your material will be returned to you. Segregated processing provides a closed loop between Envirotrol and you, our customer. There is no opportunity for foreign material to foul your product or process. Waste tracking and management is simplified and liability is clearly defined. Also the segregated approach allows us to optimize furnace conditions to suit each customer`s spent media, thereby enabling production of the highest quality product in the industry.

Our Mission

Envirotrol specializes in providing custom, segregated, thermal treatment of various types of spent media. Envirotrol has been providing custom regeneration of activated carbon via direct fired rotary kilns at our facilities in Western Pennsylvania for over 30 years. In recent years, Envirotrol has expanded this thermal treatment service to include spent media other than activated carbon; aluminas, catalysts, etc. Envirotrol processes spent media for ``beneficial reuse`` only.


Segregated Activated Carbon Processing  Purification With Activated Carbon Products

Liquid Phase Carbons

Virgin and Twice Activated Carbons

EI-30 and EI-40

EI-30 and EI-40 grade virgin activated carbons are manufactured from select grades of bituminous coal, which are activated under rigidly controlled conditions.  The resulting product is characterized by high internal surface area and contains a broad pore size distribution.  This insures rapid contaminant diffusion within the granule and excellent adsorptive capacity for a broad spectrum of organic compounds.  

Applications

Typical applications for EI-30 and EI-40 include wastewater treatment, groundwater remediation, chemical purification, food grade applications, pharmaceutical, and potable water treatment.

EI-30 One

EI-30 One, a granular steam activated carbon, is manufactured from select grades of coal that are activated at high temperatures under rigidly controlled conditions.  The resulting product is characterized by a large internal surface area and broad pore size distribution. 

Applications

Typical applications for EI-30 One are wastewater treatment, groundwater treatment, chemical purification, and pure water applications. 

EI-30S

EI-30S is a 8x30 mesh virgin liquid phase carbon.  This product is manufactured from select grades of coconut shell to give the superior hardness and activity required for liquid phase applications. 

Applications

A coconut shell carbon can be advantageous for certain applications where superior kinetic properties are required, for instance removal of low concentrations of normally poorly adsorbed organics from groundwater and wastewaters. 

EI-40One

EI-40One is a specialty grade activated carbon manufactured from select grades of bituminous coal, which are activated at high temperatures under rigidly controlled conditions.  The resulting product is characterized by high internal surface area and contains a broad pore size distribution.  This ensures rapid contaminant diffusion within the granule and excellent adsorptive capacity for a broad spectrum of organic compounds. 

Applications

EI-40One grade activated carbon is abrasion resistant and can be used in either conventional fixed or pulse bed adsorption systems.  The hardness of these products allows repetitive custom reactivation cycles to avoid the high cost of carbon disposal.  Typical applications for EI-40One include wastewater treatment, groundwater remediation and chemical purification.

Reactivated Carbons

EI-30R and EI-840R

EI-30R and EI-840R are reactivated liquid phase carbons from Envirotrol`s custom segregated reactivation process. 

Applications

EI-30R is our premium grade reactivated carbon which provides superior performance in the removal of a wide variety of organic contaminants in liquid applications.  EI-840R is a reactivated carbon that has excellent adsorptive properties for a wide range of applications.

EI-PRC

EI-PRC is a powdered reactivated carbon produced by steam activation under carefully controlled conditions.  It is most often used for treating industrial wastewaters or high strength municipal wastewaters.  EI-PRC is ground to a particle size that provides the rapid settling required in most wastewater applications.

Applications

EI-PRC is primarily used to remove toxic organics along with BOD, TOC, COD from industrial and municipal wastewater. It is ground to optimize the settling characteristics of wastewater sludge and wets readily to minimize dusting.

EI-3100L and EI-3100W

EI-3100L is a fine-mesh, 30x100 mesh, reactivated grade of activated carbon which contains >12% ash. Apparent Density and Activity customer specific.

EI-3100W is a fine-mesh, 30x100 mesh, reactivated grade of activated carbon which contains <12% ash. Apparent Density and Activity customer specific.

Applications

They are intended for use in batch applications such as soil mixing or powdered activated carbon (PAC) applications where a larger carbon particle is preferred.  This fine mesh material provides the excellent adsorption performance of PAC, but without the handling problems (dust, wetting, etc.) typically associated with PAC.  The material has an adequate size distribution to permit proper dispersion once put into solution and provides for easy separation after treatment is complete.  The larger size particles allow for easy dewatering during filter press operation to ensure that a minimal amount of water is retained in the filter cake.

VAPOR PHASE CARBONS

Virgin Carbons

EI-46 and EI-410

EI-46 and EI-410 grade virgin activated carbons are manufactured from select grades of bituminous coal, which are activated at high temperatures under rigidly controlled conditions.  The resulting product is characterized by high internal surface area, offering superior gas phase adsorption properties for a broad spectrum of organic compounds.  

Applications

Typical applications for EI-46 and EI-410 include: solvent recovery, odor control, tank vent adsorbers, HVAC, VOC control, Soil Vapor Extraction, Air Stripper Off-Gas, and Sub Part CC Compliance.

EI-46P

EI-46P 4 mm pellet carbons are made from select grades of high quality bituminous coal, activated under rigid process control conditions to yield a strong, dense, very active product suited for vapor phase adsorption.  The product is double screened and de-dusted in process and prior to packaging to assure a clean, hard, dust free product with long service life.  

Applications

EI-46P is ideal for solvent recovery or other vapor phase projects wherein pressure drop may be a concern.

Reactivated Carbons

EI-410R

EI-410R is reactivated vapor phase carbon through Envirotrol`s custom segregated reactivation process.  This product provides excellent performance at a significant cost savings to its virgin carbon alternative.  The 4x10 mesh size provides excellent pressure drop at a wide variety of flow rates.

Applications

EI-410R can be effectively utilized in a wide variety of applications including solvent recovery, vapor extraction, HVAC, purification of industrial gases, and VOC emissions control.

Activated Alumina Reclamation

Envirotrol offers recycling service for spent activated alumina from various applications in the form of thermal treatment. The calcined product can be used as feed material for fused alumina applications as a substitute for virgin and metal grade alumina.

Applications

- Hydrogen Peroxide Manufacturing
- Claus Catalyst
- Chlorine Adsorbent
- Styrene Butadiene Rubber
- Polystyrene Manufacturing
- Fluorine Adsorbent
- Desiccant


Liquid Phase Carbons  Activated Alumina

Envirotrol provides a full line of adsorption equipment to meet your treatment requirements. This includes standard products as well as custom designed systems ranging in size from one 55-gallon drum to multiple 20,000 pound, ASME coded pressure vessels. All Envirotrol adsorption equipment is designed to be user friendly. The smaller equipment is portable and can easily be serviced on-site or disconnected and dewatered from transport to our facility for reactivation.

Liquid Adsorption Equipment

Liquid Phase Adsorbers

LP-55, LP-85, and LP-110
LPM-1000, LPM-2000, LPM-2500 and LPM-3000

Envirotrol`s drum adsorbers are prefabricated steel canisters engineered to remove contaminants and/ or odors from vapor streams at low flow rates with minimum pressure drop. They are easily installed and recycled. Envirotrol provides a complete turnkey service to handle the carbon reactivation and recycle of the drum adsorbers. They can be utilized by industrial, municipal, or commercial users in a variety of low flow air purification applications including but not limited to the following:

- Emergency Treatment
- Pilot Testing
- De-colorization
- Product Purification
- Wastewater Treatment
- Groundwater Treatment
- Well Water Treatment
- Process Water Filtration

LP-61P, LP-185P, LP-250P, LP-340P, and LP-460P

Envirotrol offers a full line of poly-glass liquid phase adsorbers engineered to remove contaminants from high pressure liquid streams while providing for the maximum in corrosion resistance.

LPS-1, LPS-2, LPS-3, and LPS-4

Envirotrol offers a full line of poly-glass liquid phase adsorbers assemblies engineered to remove contaminants from high pressure liquid streams while providing for the maximum in corrosion resistance. 

LPS-12, LPS-22, LPS-24, and LPS-26

Envirotrol offers a full line of carbon steel liquid phase adsorbers assemblies engineered to remove contaminants from low pressure liquid streams while providing for the maximum in flexibility. 

LPS-205, LPS-210, and LPS-220

Envirotrol offers a full line of lined carbon steel liquid phase adsorbers assemblies engineered to remove contaminants from high pressure liquid streams while providing for the maximum in flexibility.

Liquid Phase Adsorber Applications

Emergency treatment, pilot testing, de-colorization, product purification, wastewater treatment, groundwater treatment, well water treatment, process water treatment.

Vapor Adsorption Equipment

VP-55, VP-85 and VP-110

Envirotrol`s drum adsorbers are prefabricated steel canisters engineered to remove contaminants and/or odors from vapor streams at low flow rates with minimum pressure drop. They are easily installed and recycled. Envirotrol provides a complete turnkey service to handle the carbon reactivation and recycle of the drum adsorbers.

They can be utilized by industrial, municipal, or commercial users in a variety of low flow air purification applications including but not limited to the following:

- Emergency Treatment
- Pilot Testing
- Process Vent Sources
- Lab Hood Exhaust
- Tank or Sump Vent Exhaust
- Sewer Gas Vent Exhaust

VPM-1000, VPM-2000, VPM-2500 and VPM-3000

Envirotrol`s vapor phase adsorbers are prefabricated steel vessels engineered to remove contaminants and/or odors from air at moderate flow rates with low pressure drop. The steel adsorbers are provided with lifting lugs and are mounted on a fork truck mobile base for easy placement and carbon exchange service. Envirotrol provides a complete turnkey service to handle carbon reactivation and exchange of these adsorbers. They are available in four sizes to best suit your application and they can be provided on a lease or purchase basis. These adsorbers can be utilized by industrial, municipal or commercial users in a variety of air purification applications including but not limited to the following:

- Emergency Air Quality Control
- Tank or Sump Air Vents
- Soil Vapor Extraction
- Air Stripper Off-Gas
- Work Environment

VPS-12, VPS-22, VPS-24, and VPS-26

Envirotrol offers a full line of dual vessel adsorption systems engineered to remove contaminants and/ or odors from air at moderate flow rates with low pressure drop. Two prefabricated steel adsorbers are provided with lifting lugs and are mounted on fork truck mobile bases for easy placement and carbon exchange service. Envirotrol provides a complete turnkey service to handle carbon reactivation and service of these adsorbers. All the assembled interconnecting piping is mounted on a prefabricated steel pipe support stand for installation on your foundation. The adsorbers with interconnecting piping form a complete vapor phase dual vessel adsorption system that can operate with one adsorber on-line or with both adsorbers on-line. The steel vessels are lined with corrosion resistant epoxy resin and these systems are available in four sizes to suit your application. These dual vessel adsorptions systems can be utilized by industrial, municipal or commercial users in a variety of air purification applications.

Special Applications

Industrial and municipal odor control, tank air vents, soil air vents, process air, hazardous work environments, and emergency ventilation and treatment projects

ROB-1

Envirotrol`s ROB-1 mobile steel adsorber is engineered and prefabricated to remove contaminants and/or odors from air at flow rates up to 12,500 CFM (354 ms/min) at minimal pressure drops and can house up to 13,000 lb (58Q7 kg) of carbon. It is internally lined sample ports are provided to monitor carbon performance. The mobile steel adsorber`s design permits with a high performance catalyzed epoxy resin and loading, transportina and placement by special truck without the use of acrane. Additionally, the adsorber is provided with lifting lugs it can be lifted by crane when required. It can be provided on a lease or purchase basis and Envirotrol can provide complete carbon reactivation services.

Special Applications

Industrial and municipal odor control, tank air vents, soil air vents, process air, hazardous work environments, and emergency ventilation and treatment projects.

Vapor Phase Adsorber Applications

Emergency air quality control, pilot testing, process vent control, laboratory hood exhaust, tank or sump vent exhaust, sewer gas vent exhaust, soil vapor extraction systems


Liquid Adsorption Equipment  Vapor Adsorption Equipment

Transportation Services

To accommodate our customers` bulk material transportation needs, Envirotrol offers delivery service through our large private fleet of specialized trailers.  These trailers are designed for totally enclosed bulk transport and handling.  The enclosed design ensures environmentally safe and efficient media transfer.  Our fleet includes vacuum trailers to accommodate situations where this method provides the most efficient means of spent media removal.  Envirotrol has also pioneered the use of compartmentalized trailers which provide freight savings for our customers and eliminate the need and expense for intermediate storage/transfer tanks at the customer site.

Our logistics personnel can also assist you in making arrangements for containerized shipments.  We have experience in shipping material throughout North America.  Please allow our staff to provide you with competitive rates for your transpiration needs.

On-Site Field Service

For customers in need of change out assistance, Envirotrol can provide a crew of trained field service technicians.  Our technicians work in concert with your Maintenance and Environmental Coordinators to provide safe and efficient carbon transfers.  Each crewmember has the requisite 40-Hour OSHA Training as well as training in confined space entry and the specific hazards of handling spent carbons and other media.  Our technicians are also experienced in the most effective handling techniques and are equipped to handle slurry, vacuum and other manual transfers.

Laboratory Services

Envirotrol operates a full-service laboratory capable of performing a variety of ASTM and AWWA test procedures for determining adsorbent quality.  In addition to the standard procedures, Envirotrol has also developed a number of custom test procedures for determining a media`s effectiveness in specific customer applications or its suitability for reuse in alternate processes.  If you like us to evaluate your media or if you want to obtain more detailed processes, Envirotrol can assist you.



Envirotrol, Inc. is firmly committed to the highest standards for the safe and lawful operation of our facilities and the protection of the environment, our employees, our customers, and the citizens of the communities in which we do business.  Envirotrol, Inc. operates in full compliance with all applicable federal, state, and local regulations and continually strives to meet or exceed all regulatory requirements.

Spent Carbon Reactivation

Envirotrol receives and reactivates your spent media separately from all others. This guarantees that only your material will be returned to you.  Consequently, Envirotrol must have a complete ``profile``of the type of spent carbon or media that will be processed.  Prior to receiving your spent material, our Spent Carbon ID Sheet, SCID, must be completed and a one-quart sample shipped to our laboratories to test for adsorbent quality.  


Spent Carbon Reactivation

Envirotrol, Inc. is involved in the food, potable water, and bottling businesses providing millions of pounds per year of carbon to those markets and has been for 20 years. Envirotrol, Inc has an ISO 9001 approved facility that is also AWWA compliant and can provide NSF-61 certified carbons. Special procedures at the facility are in place to better facilitate the food grade applications. These include segregated handling systems, record keeping procedures, tagging and tracking methods, and a totally separate shipping and receiving facility. Envirotrol can supply many different types of carbons to the food grade applications including granular and powdered products. These products include coal based, coconut based, and wood based materials. All of these carbons are NSF-61 certified and totally compliant with the Federal Chemicals Codex.

Potable Water and Food Grade Capabilities

Envirotrol, Inc. is a major player in the food, potable water and bottling businesses, providing millions of pounds per year of carbon to those markets. Envirotrol has been involved since 1986 in food grade reactivation, and since 1970 in custom segregated reactivation of carbons. Envirotrol, Inc. has ISO 9001 approval and certification for its AWWA compliant, fully segregated, reactivation plant where material is processed, and the reactivated material can be NSF-61 certified, a process for react materials only Envirotrol can supply world-wide, because patents for this certification are pending. Special procedures are in use at Envirotrol plant for the segregated handling systems, records keeping procedures, tagging and tracking methods, operating procedures, and testing methods used for all materials.

In regards to the kiln, all feed systems are stainless steel, fully washable, and enclosed against exterior contamination. The kiln is a natural gas direct fired kiln made of carbon steel, completely lined with high alumina/silica brick fully cured and seasoned to be inert. Within the food grade reactivation plant, only carbons from food grade applications, municipal potable water applications, or bottlers' carbons are processed. All carbons are processed in segregated lots, and if necessary, the kiln can be burned out at high temperature between customer lots to assure further cleanliness. The kiln can be operated at temperatures up to 1900F, with steam/carbon ratios up to 2:1, and discharge rates as high as 1000 lbs/hr.

Envirotrol can supply many different types of carbon as make-up to systems involved in food grade and potable water activities. These include granular carbons from coal, wood, or coconut shell material, and Envirotrol`s own patent-pending Pure Assure® double activated carbon, which provides superior performance. Envirotrol also supplies powdered carbons from various source materials, including coal, wood, and lignite. All carbons are NSF-61 certified, and compliant with the requirements of the Food Chemicals Codex.

Envirotrol maintains its own fleet of pneumatic trailers. Currently, these trailers are subjected to a hot soapy water rinse between uses to a food grade standard when used for food grade and potable hauling. If the volume is great enough, dedicated trailers can be provided for individual customers. Other municipal potable water carbons are delivered to Envirotrol in dump trucks, direct from the water filters.

The food grade react plant is fully isolated, complete with its own shipping, receiving, and warehouse facilities, and is fully compliant with AWWA standards, and has been approved to produce NSF-61 certified reactivated carbons Pure Assure®  as well as dried NoRise®  virgin products (which prevent pH rise in carbon beds). Kosher certification for products is also available.



 

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