Remodeling method of polluted river and lake bottom mud-water aerobic interface
A technology of oxygen interface and sediment, applied in water/sludge/sewage treatment, sludge treatment, water pollutants, etc., can solve the problems of difficult to control the treatment process, weaken the treatment effect, etc., achieve simple construction and restore benign substances Exchange, promote degradation effect
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[0043] After 30 days of implementation, the monitoring found that the sediment was yellow and loose, the dissolved oxygen content at 20cm above the sediment-water interface was 6.5mg / L, which was 31.5 times higher than before treatment, and the dissolved oxygen distribution depth was 2cm. The average content of total organic carbon is 3%, and the reduction rate is 75%.
[0044] Based on the above, the present invention can restore the aerobic condition at the bottom mud-water interface, increase the depth of the aerobic oxidation layer in the bottom mud, reduce the content of organic pollutants in the bottom mud, and transform the polluted bottom mud into a "digester" for water body pollutants and aquatic life.
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