Available Technology

Biological filter for oxidizing ammonia in drinking water treatment

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.
Inventors: 

Darren Alan LYTLE

Patent Number: 
US8029674
Patent Issue Date: 
November 4, 2011
Lab Representatives
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