Bacteria will cleanse water contaminated by MTBE and ammonium perchlorate

Article Abstract:

Envirogen Inc. of Lawrenceville, NJ, and Envirex Products Group of Waukesha, WI, are consolidating their respective technologies to treat groundwater that is polluted with ammonium perchlorate and methyl tert-butyl ether (MTBE). Envirogen will use its propanotrophs bacteria catalyst in Envirex's fluidized-bed reactors to test the new technology in treating groundwater polluted by MTBE in Reno, NV. Concerning ammonium-perchlorate-contaminated groundwater, both companies are developing the treating technology with Gencorp Aerojet Inc., a Sacramento, CA-based rocket motor manufacturer.

Comment:

Firm & Envirogen Inc consolidate techs to treat groundwater that is polluted w/ ammonium perchlorate & MTBE

Water Pollution Control R&D, Water pollution research, Envirogen Inc., Envirex Products Group

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A dual approach to NOx control

Article Abstract:

The Transportation Technology R and D Center of Illinois has developed two methods of cutting up to 50%-60% of nitrogen oxide emissions from diesel engines. In the first method, the center utilized a perfluoro dioxo membrane to pump oxygen-abundant air into the diesel engine. As a result, nitrogen oxide emissions have been trimmed by 70% and a lesser fuel consumption, from 5%-7%, has also been observed. In the second method, the diesel-engine exhaust has been treated with an unstable form of nitrogen to reduce emission of nitrogen oxides.

Comment:

Transportation Tech R&D Center, IL, develops 2 methods of cutting up to 50%-60% of nitrogen oxide emissions from diesel engines

Air Pollution Control R&D, Air pollution research, Pollution control research

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