Domestic sewage denitrifying-dephosphorizing method and apparatus
A technology for denitrification and dephosphorization and domestic sewage, applied in the field of water treatment, can solve the problem of lack of dephosphorization ability, etc., and achieve the effects of low operation cost, high-efficiency denitrification and dephosphorization capacity, and strong shock load resistance.
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[0015] Referring to the accompanying drawings, the device is composed of an anaerobic baffle reactor 4, an aerobic submerged biological filter 6 and a sedimentation tank 9 which are interconnected in sequence. The anaerobic baffle reactor consists of 3-4 compartments with baffles, partitions, and anaerobic sludge. Each compartment is divided into an upper flow chamber and a lower flow chamber by a baffle 2 and a partition 14. In the flow chamber, anaerobic sludge is added to each compartment, and a dense anaerobic sludge layer is formed in the lower part of the compartment. The first compartment is connected to the distribution tank 1, and the upper part of the first compartment is upward An iron filings packing layer 3 is provided, and a recoil pipe 13 is arranged on the lower part of the iron filings packing layer 3 . The aerobic submerged biological filter 6 is provided with deflectors 5, elastic or semi-soft fillers 7, aeration pipes 12 are arranged at the lower part, and ...
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