发明名称 Biological filter for oxidizing ammonia in drinking water treatment
摘要 A process for treatment of water to convert ammonia to nitrate including: feeding water containing dissolved ammonia, as an influent introducing water to be treated, into a packed column containing filter media as packing; introducing air through a diffuser at the bottom of the packed column to maintain the water saturated with oxygen throughout the packed column; establishing colonies of bacteria converting ammonia to nitrate within the column; and removing an ammonia-free and nitrite-fee effluent from the column.
申请公布号 US8029674(B2) 申请公布日期 2011.10.04
申请号 US20090457107 申请日期 2009.06.01
申请人 THE UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE ENVIRONMENTAL PROTECTION AGENCY 发明人 LYTLE DARREN ALAN
分类号 C02F3/06 主分类号 C02F3/06
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