“Best-in-Class” Fluidized Bed Reactor Technology Offers Dramatically Lower Costs for Initial Construction, Improved Operations and Reliable Treatment to <5 μg/L

Envirogen Technologies, Inc. (Envirogen) announced today that it has entered the market for treatment of selenium-containing coal mining wastewaters with a portfolio of treatment solutions, highlighted by the company’s fluidized bed reactor (FBR) biological treatment systems and augmented, where appropriate, with its High Efficiency Ion Exchange technology. Envirogen FBR technology has features that make it ideally suited for selenium and nitrate treatment in the coal mining industry, and combined with the decades of FBR experience held by the Envirogen team, allows the design and installation of systems...

Custom-designed, ‘green’ system delivers >99% removal efficiencies of H₂S at low lifecycle cost 

Kingwood, TX, 11 July 2011 -- Envirogen Technologies, Inc. (Envirogen) announced today that it has started up an odor control system for the City of Fort Smith, Arkansas that will remove hydrogen sulfide (H₂S) and other odor-causing compounds from air at the city’s P-Street wastewater facility. The new system consists of a single chamber biofilter and will remove more than 99% of average inlet concentrations of H₂S and 90% of other organic reduced sulfur compounds. The system is designed to handle up to 12,000 cubic feet per minute (cfm) of air from the facility’s influent pub station, pretreatment system, bioselector and inlet channels. The Fort Smith...

Large, custom-built installations will deliver high-efficiency odor control at a
low lifecycle cost

Envirogen Technologies, Inc. (Envirogen) announced today that it has been awarded the contract to build two biological odor control systems for Dallas Water Utilities (DWU), the water and wastewater service operated by and for the City of Dallas, Texas.  These large, built-in-place systems will utilize Envirogen’s proven biofiltration technology to remove odors and 99% of hydrogen sulfide (H₂S) from air at the wastewater operation’s aerated grit chamber and Pump Station C. Equipment will be delivered and installed over the second half of 2011.

According to Robert Stark, Vice President, South Region for Envirogen, the new installations are another example of the...

Biological treatment system will address groundwater in Henderson, Nevada, with high-performance, low-cost ‘green’ technology

Envirogen Technologies, Inc. (Envirogen) announced today that it has been awarded a contract by American Pacific Corporation (AMPAC) to provide a large-scale fluidized bed bioreactor (FBR) system for the biodegradation of perchlorate and other constituents from groundwater in the area of a former manufacturing facility in Henderson, Nevada. The 1.2 million gallons per day (MGD) capacity system will replace a smaller biological-based system in operation since 2006, and utilize Envirogen’s patented FBR technology in a custom configuration to reduce influent concentrations of perchlorate to non-detectable levels prior to surface discharge. Currently...

BT-120 biotower for La Feria, TX represents first-of-its-kind offering for smaller-size odor control installations

Envirogen Technologies, Inc. (Envirogen) announced today that it has been awarded a contract to provide a new biological odor control system for the City of La Feria, Texas.  The Envirogen BT-120 system will utilize the company’s proven biofiltration technology in a compact biotower configuration to achieve 99% removal of hydrogen sulfide (H₂S) from exhaust air at the City’s Lilac wastewater lift station. It will be Envirogen’s third odor control installation in La Feria. Because of its compact size and high efficiency, the Envirogen BT-120 system gives new cost and site footprint options to the wastewater treatment industry.  Envirogen’s...

Envirogen Commences Construction of World's First Biological Drinking Water Treatment Facility for Perchlorate Removal

Envirogen Technologies, Inc. (Envirogen) announced today that it has begun construction on a first-of-its-kind biological drinking water treatment plant in collaboration with West Valley Water District (WVWD) and the City of Rialto, Calif. The new plant, which will be installed at WVWD headquarters in Rialto, will treat perchlorate (as well as nitrate) from groundwater at District Well No. 11 and Rialto Well No. 6, producing up to 3 million gallons per day (MGD) of quality drinking water for area residents. The plant represents a significant move toward addressing the clean-up of a major perchlorate plume that has threatened the Rialto-Colton Basin’s water supply...

“Green” technology achieves complete destruction of contaminants in a reliable, compact and cost-effective treatment system

Envirogen Technologies, Inc. (Envirogen) announced today the successful start-up and operation of a fluidized bed reactor (FBR) system to remove nitrates from contaminated groundwater at Kinder Morgan Energy Partners’  Mission Valley Terminal in San Diego, California.  The 0.5 million gallon per day (MGD) system is designed to provide a final treatment step for impacted groundwater pumped from an aquifer located beneath the City’s Qualcomm Stadium, prior to direct discharge to the watershed. The Envirogen FBR system differs from conventional denitrification technology in that it does not create waste by-products that require...

Small-footprint, “green” technology lowers costs dramatically and offers ‘worry-free’ performance

Envirogen Technologies, Inc. (Envirogen) announced the successful start-up of a new bioscrubber tower system for odor control at the Anastasia Island Wastewater Treatment Plant (WWTP) in St. Augustine, Florida. The high performance, energy-efficient system will remove hydrogen sulfide (H₂S) from air at the plant’s headworks. A key factor in the selection of the vertical Envirogen bioscrubber tower is its ability to handle high concentrations of H₂S with a small physical footprint. Envirogen will also provide installation oversight and staff training services to ensure trouble-free operation at start-up. The bioscrubber tower system is another example of...

Compact system brings decommissioned well back online with high-efficiency removal of multiple contaminants and “technology+services” performance guarantees

Envirogen Technologies, Inc. (Envirogen) announced the successful start-up of an ion exchange system for the East Valley Water District (EVWD) of San Bernardino County, California, to remove uranium and nitrates from groundwater at the District’s #40 well site. The installation features a 10-year “technology+services” agreement that includes operation and maintenance services along with guarantees of system performance as well as capital and operating costs. The #40 well site had previously been decommissioned, but is now back in service as a result of the performance of the new treatment system. This...

Industry acceptance of high-performance, ‘green’ technology points to new industry standard for odor control

Envirogen Technologies, Inc. (Envirogen) has been awarded new contracts for odor control systems at municipal wastewater facilities in Portsmouth, Ohio; Oak Island, North Carolina; and Crested Butte, Colorado, based on its biofiltration technology.  All three projects will utilize Envirogen’s H-series modular packaged biofilters in various configurations to provide a minimum 99% removal of hydrogen sulfide (H₂S) from inlet air. The Crested Butte installation will also remove ammonia (NH₃) and meet specifications for operating in temperatures down to -30° F. Designed to customer specifications by Envirogen using standardized components, the compact...

Compact modular system, specifically designed for smaller utilities, chosen to provide high-efficiency arsenic removal at low cost for Wisconsin village

Envirogen Technologies, Inc. (Envirogen) announced today that it has been awarded a contract for the Village of Suring, Wisconsin, to design and install a MinX™ high efficiency low-flow ion exchange system to perform arsenic removal at a well site previously restricted for use as a part of the Village’s drinking water supply. MinX starts with Envirogen’s proven ion exchange technology and packages it in a system that is specifically designed to handle low flow applications with high efficiency and lower overall costs – both from an operating standpoint and a waste management standpoint. These systems are designed...

Fluidized-bed bioreactor awarded State grant for innovative technology, enables community to exceed impending Chesapeake Bay regulations and gain nutrient credits

Envirogen Technologies, Inc. (Envirogen) announced today that system construction has begun under a contract with the Borough of Ashland (Ashland, Penn.) to design and deliver a fluidized-bed bioreactor (FBR) system for nutrient removal at the Borough’s wastewater treatment plant. Funded in part by an Innovative Technologies grant under the Pennsylvania Department of Environmental Protection’s (PA-DEP) “Growing Greener” program, the new system will remove nitrates from the plant’s effluent prior to discharge and help the Borough keep its treated wastewater well below the State’s new...

West Valley Water District (Rialto, California) has a $10 million grant proposal before the California Department of Health as part of State Proposition 84. The Joint Wellhead Treatment Project is intended to remove perchlorate from the water table beneath Rialto - representing a scientific first in California. The project will allow West Valley Water District and the City of Rialto to restore two wells that had been taken out of service due to perchlorate, nitrate and TCE groundwater contamination, using Envirogen's fluidized bed reactor (FBR) technology. 

For more details, click here.

Envirogen was awarded the 2010 AWWA Water Quality & Technology Division Best Paper Award for the paper, "Fluidized Bed Bioreactor Treatment of Perchlorate-laden Groundwater to Potable Standards," a collaborative effort between Envirogen's team of Dr. Todd Webster (senior author), William Guarini and Hang Sau Wong.

To read this informative article, click here.

Unique, patented technology will help Polish PTA manufacturing facility achieve regulatory compliance while offsetting manufacturing costs through cobalt recovery

Envirogen Technologies Inc. (Envirogen) announced the finalization of an agreement to provide process design and materials for a metals recovery system at a purified terephthalic acid (PTA) manufacturing site in the Republic of Poland. The system, which will be installed for the Polski Koncern Naftowy Group (PKN) by Earnest Chemical (a joint venture between Chemtex International Inc. and Yu King Technology Co., LTD.), is based on an Envirogen Technologies design and will recover cobalt from a waste stream resulting from the manufacture of PTA. The recovery system will feature ion exchange technology that is patented by...