Biological lake purifier
The organic matter that causes black and odorous water pollution is mainly composed of C, H, O, N, P, S and other elements, and its composition is particularly complicated. The black and odorous water pollution mainly comes from the direct discharge of domestic sewage, littering and littering of waste, and the secret discharge of industrial wastewater. Excessive pollution loading results in the imbalance of oxygen supply and oxygen consumption in the water body, and the pollutants are transformed and produce malodorous substances such as ammonia nitrogen, hydrogen sulfide, volatile organic acids, and black substances such as iron and manganese sulfide in the absence of oxygen or even anaerobic conditions.
，并获相关专利。 In view of the particularity of the black and odorous water body, Jiangsu Jiuwu Hi-Tech Co., Ltd.'s subsidiary "Jiuwu Tianhong" has developed a biological lake purifier after many years of hard work, and has obtained relevant patents. 运用于河道污染治理中， 集曝气复氧、水解酸化、厌氧处理、好氧处理等多种生化处理工艺于一体的河道污染处理技术。 The biological lake purifier adopts the contact oxidation biofilm process in the sewage treatment process technology. It applies the biofilm sewage treatment technology to river pollution control, and integrates aeration and reoxygenation, hydrolysis and acidification, anaerobic treatment, and aerobic treatment. River pollution treatment technology in a variety of biochemical treatment processes.
等无害物质。 After the matrix of the biological lake purifier combination is placed in the polluted area of the river, a reoxygenation gas generator is installed on the river bank. During operation, the compressed air generated by the reoxygenation gas generator enters the dedicated reoxygenation device through the transportation pipeline, releasing a large amount of Fine air bubbles quickly provide dissolved oxygen in black and odorous water in the polluted section of the river. Aerobic bacteria grown on biological fillers use dissolved oxygen to oxidize and metabolize organic pollutants in river water, and decompose organic pollutants into water and carbon dioxide. And other harmless substances. The ammonia nitrogen in the water is first oxidized by the nitrifying bacteria to carbon dioxide, and then oxidized to nitrate. In the anoxic area, it is reduced to ammonia and overflows the river water. The carbon dioxide and water oxidized by ammonia and other organic substances return to nature, thereby completing the purification of polluted rivers. The technology has the ability to continuously and continuously receive polluted water quality and achieve purification standards, which fundamentally solves the problem of black odor rebound.
Control system with uniform distribution of reoxygenation gas amount by region
Floor plan with matrix A / O wastewater treatment process
There is no need to intercept and dredge rivers that have certain treatments
Capable of degrading high-concentration COD and BOD black odorous river water, and capable of maintaining continuous compliance of river water standards
Ability to self-digest clear sediments in silt channels
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