SBR sewage treatment plant

Specifications

Technics Process choice
1)According to experience, domestic sewage COD is fluctuate in certain range and with high Organic nitrogen content ( main source from excrement), it easy break down into ammonia nitrogen, difficult to take off ammonia nitrogen. In addition, such kinds of waste water Intermittent discharge all day, water quality and quantity with larger impact load, disadvantage to conventional biochemical treatment. The surplus biochemistry sludge of conventional Aerobic biological treatment is much more, high sludge treatment cost. At the same time, the biodegradability of some macromolecule organism is low in aerobic condition, it need anoxic hydrolysis pretreatment,aerobic biological treatment and anoxia denitrification. It is difficult to produce sludge bulking, Low consumption.
2)Compare with other conventional biological treatment processing:
Other conventional biological treatment processing, after in aerobic section, it need first sediment before stable to effluent. "SBR processing "in aerobic section, finished aeration and sediment in the same pond, effluent water adopt decanter, insure stable to effluent water. Thus, "SBR processing"can save sediment pond before effluent water, so its structure more compact and optimize, save occupying area and investment.
Processing description:
The sewage was removed bigger inorganic particle and floater by grilling, then flow into hydrolysis pond. in the anaerobic condition, adopt hydrolysis and acid yield microbial, make the Insoluble state organic in sewage interception and gradual conversion into dissolved state organic, make the macromolecule ,difficult biodegradable material in sewage transform into small molecular organic easy to biodegradation, improve the sewage biodegradability, reduce the subsequent aerobic biological treatment unit energy consumption, short retention time. Reduce the sludge discharge volume, cut down operational cost, then enter into SBR tank, fully mixed with the backflowing sludge from reaction area, finish a series of biochemical reaction. The denitrifying bacteria in sludge make the organic in sewage as carbon source, restore the nitric nitrogen as nitrogen, realize denitrification.