CONTROL OF BACTERIAL ACTIVITY, SUCH AS IN SEWERS AND WASTEWATER TREATMENT SYSTEMS
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United States of America Patent
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Apr 27, 2011
filing date -
Apr 28, 2010
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Abstract
A method for controlling the activity of sulfate reducing bacteria or methanogenic archaea (or both) in environments containing such organisms comprising treating the environment with free nitrous acid (HNO2) or with a solution containing nitrite (NO2−) having a pH of less than 7 or by adding nitrite to the environment and having a pH of less than 7 in the environment. The method can also disrupt biofilms.
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