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 EnviroScrub’s 97% Removal Rate for Oxidized Mercury Verified by Joint Testing with DOE, EERC and DTE Energy 18 August, 2003 Minneapolis, Minnesota EnviroScrub Technologies Corporation's revolutionary dry Pahlman™ Process Multi-Pollutant Control (MPC) technology has received independent, third-party verification from the Energy & Environmental Research Center (EERC) of the University of North Dakota in Grand Forks, North Dakota. The Pilot Unit testing trials were jointly sponsored by the EERC, DTE Energy, and the United States Department of Energy’s (DOE) National Energy Technology Laboratory. The purpose of the joint testing project was to verify and document the mercury (Hg) removal efficiency of EnviroScrub's Pahlman™ Process technology at DTE Energy’s coal-fired River Rouge Power Station in River Rouge, Michigan. The EERC’s testing results documented that EnviroScrub's Pahlman™ Process technology removed up to 97% of oxidized mercury (Hg2+) while simultaneously removing 98% of NOX and 100% of SO2. A slipstream of River Rouge’s Unit #3, a 290-megawatt boiler operating on a blend of sub-bituminous Powder River Basin (PRB) and Eastern bituminous coals and equipped with low NOX burners, was diverted from the main exhaust duct and routed to EnviroScrub’s Mobile Pilot Unit for target pollutant removal. The EERC conducted simultaneous inlet and outlet sampling from EnviroScrub’s Mobile Pilot Unit using both the EPA-approved Ontario Hydro (OH) method and mercury semi-continuous emission monitors (Hg SCEMs). “Having the Pahlman™ Process’ oxidized mercury removal verified by the EERC, a recognized governmental and industry authority on mercury measurement, independently confirms EnviroScrub’s ability to capture oxidized mercury. We are currently working with the EERC to conduct testing specifically designed to document EnviroScrub’s ability to achieve the same industry-leading removal rates for elemental mercury,” commented Richard M. Boren, EnviroScrub's Director of Emissions and Environmental Operations. These exceptional capture percentages were achieved using a single-stage, dry Pahlman™ Process technology system; which can essentially replace three separate Emissions Reduction Technology (ERT) systems -- wet FGD for SOX-scrubbing, SCR for NOX-scrubbing, and Activated Carbon injection for mercury-reduction. The test results highlight the competitive Capital and Operating & Maintenance cost structures possible with implementation of the Pahlman™ Process technology in lieu of traditional wet FGD, SCR, and Activated Carbon systems. The Pahlman™ Process can save power generation companies tens of millions of dollars in Emissions Reduction Technology costs at a single coal-fired power generation plant. EnviroScrub, a privately-held deployment-stage company based in Minneapolis, Minnesota, licenses its patented and proprietary dry Pahlman™ Process NOX / SOX / Hg / PM 2.5 / HCl / H2S scrubbing technology to power generation and industrial plants worldwide. EnviroScrub plans to compete in the multi-billion dollar U.S. Emissions Reduction Technology market with its first commercial-scale projects in 2004. For more information, contact: EnviroScrub Technologies Corporation Back to News |
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