Biofilm electrochemical reactor for simultaneously removing nitrate nitrogen and trace organic matters in water
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United States of America
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Oct 1, 2024
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Jan 19, 2020
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Jan 19, 2020
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Abstract
The application belongs to the technical field of water treatment, and relates to a biofilm electrochemical reactor for simultaneously removing nitrate nitrogen and trace organic matters in water. According to the principles of electrochemical reaction and products completely different under different cathode and anode material conditions, the reactor is divided into three functional regions, wherein first, an electrochemical reaction of producing hydrogen at a cathode and decomposing carbon at an anode is realized in a first functional region so as to provide a condition for reduction of nitrate nitrogen by a hydrogen autotrophic denitrifying bacteria of a particle electrode layer in a second functional region, after products generated by means of the electrochemical reaction and a biochemical reaction in the previous two functional regions enter a third functional region, pollutants such as trace organic components and residual ammonia nitrogen in water are oxidized and decomposed by using anodic oxidation function.
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