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 Non-Manganese Metal Oxide Sorbents Yield Superior Arsenic Removal Results 16 December, 2004 Minneapolis, Minnesota EnviroScrub Technologies Corporation (“EnviroScrub”) has completed a round of testing using its latest generation, patent-pending, non-manganese metal oxide sorbents for the removal of arsenic (As) from water. To underscore the exceptional performance of its sorbents versus the existing competition, EnviroScrub produced the graph below using EnviroScrub and EPA data: 
In reference to the sorbent isotherm comparison graph above, the Environmental Protection Agency (EPA) has established 10 parts per billion (ppb) as the Arsenic limit for drinking water; therefore the sorbent’s loading characteristics up to the 10 ppb breakthrough point are the key for accessing marketplace sorbent utilization. EnviroScrub’s sorbent adsorbs approximately 4,000 micro grams of arsenic per gram of sorbent before it exceeds the 10 ppb drinking water limit. The nearest competitor exceeds the 10 ppb limit at approximately 1,200 micro grams of arsenic adsorbed per gram of sorbent. The data presented in the sorbent isotherm graph was collected by third party testing firms. The Washington University of Saint Louis, Missouri, conducted the testing for EnviroScrub with testing also being performed by EERC of the University of North Dakota, University of Minnesota, and Legend Labs of Saint Paul, Minnesota. The competitor data was obtained from testing conducted by the EPA and presented at a recent Arsenic workshop in Cincinnati, Ohio, several months ago. The conditions and protocol that Washington University used to collect the data on the BH-A sorbent was the same as the EPA used for the current best available sorbents. “With arsenic capture rates such as these using our latest non-manganese metal oxide sorbents, EnviroScrub is catapulted onto the world stage of water filtration,” said EnviroScrub’s Vice President and Chief Technology Officer, Charles Hammel. EnviroScrub, a privately-held deployment-stage company based in Minneapolis, Minnesota, plans to sell its metal oxide sorbents into the global industrial and household water filtration markets in 2005. EnviroScrub also 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 2005. For more information, contact: EnviroScrub Technologies Corporation Back to News |
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