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US Patent 7967989 Groundwater recharging wastewater disposal method

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7967989
Date of Patent
June 28, 2011
Patent Application Number
12381246
Date Filed
March 10, 2009
Patent Primary Examiner
‌
Peter A. Hruskoci
Patent abstract

A sulfurous acid treated wastewater disposal method employing soil aquifer treatment (SAT) for artificial recharge of groundwater through infiltration basins allowing fully or partially-treated sewage effluent to infiltrate into the soil and move down to the groundwater through a “vadose” zone, which acts as a natural filter to remove essentially all suspended solids, biodegradable materials, bacteria, viruses, and other microorganisms.

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