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Treatment technology of powdered built biocarrier fluidized bed A/O sewage

A biological carrier and sewage treatment technology, which is applied in the direction of flocculation/sedimentation water/sewage treatment, aerobic and anaerobic process treatment, etc., can solve the conflicting problems of removing N and removing P, and achieves convenient operation, simple equipment, and reduced volume effect

Inactive Publication Date: 2006-06-14
林国章
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  • Description
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Problems solved by technology

[0004] The invention solves the contradictory problem of removing N and removing P in the existing pure biological or pure chemical sewage treatment process, and provides a biological action and physical and chemical action such as adsorption, coagulation and filtration of the powdered high-efficiency carrier to realize biochemical Powdered compound biological carrier fluidized bed A / O wastewater treatment process integrating N removal and physical and chemical P removal

Method used

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  • Treatment technology of powdered built biocarrier fluidized bed A/O sewage
  • Treatment technology of powdered built biocarrier fluidized bed A/O sewage
  • Treatment technology of powdered built biocarrier fluidized bed A/O sewage

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Embodiment Construction

[0015] Such as figure 1 Shown, the present invention comprises anoxic biochemical reaction, aerobic biochemical reaction, coagulation reaction, precipitation, in the application of A / O process flow of the present invention (anoxic biochemical reaction+aerobic biochemical reaction is called A / O process) , the raw sewage first enters the anoxic tank, then enters the aerobic tank, and returns the mixed solution of the aerobic tank and the sludge of the sedimentation tank to the anoxic tank at the same time. The production of organisms and aerobic organisms ensures that there is a sufficient number of microorganisms in the anoxic pool and the aerobic pool, and makes the anoxic pool obtain the nitrate produced by nitrification in the aerobic pool. The direct entry of raw sewage and mixed solution provides sufficient carbon source organic matter for denitrification in the anoxic pool, enabling the denitrification reaction to proceed in the anoxic pool. The effluent after the denitr...

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Abstract

The present invention relates to a powdery built biological carrier fluidized bed A / O sewage treatment process. It includes anoxybiotic bio-chemical reaction, aerobic bio-chemical reaction, coagulation reaction and precipitation, in which the anoxybiotic bio-chemical reaction, aerobic bio-chemical reaction, coagulation reaction and precipitation are respectively implemented in anoxybiotic tank, aerobic tank, coagulation tank and precipitation tank which are formed into an integrated reaction tank.

Description

Technical field: [0001] The invention relates to a sewage treatment process, in particular to a fluidized bed A / O sewage treatment process. Background technique: [0002] Urban sewage contains various impurities, which can be divided into three categories according to their physical and chemical properties: the first category is solid suspended solids SS, the second category is organic pollutants COD and BOD, and the third category is inorganic nutrient salts N and P. They are dispersed in sewage in the form of dissolved, colloid, and suspended particles. COD, BOD, organic nitrogen, TN, and TP in sewage exist in three-phase form, inorganic nitrogen exists in molecular phase, and SS exists in coarse particle and colloidal dispersed phase. Coarse solids and colloids account for about 80% of COD and BOD. In fact, all kinds of sewage are dispersed systems with water as the dispersion medium and various components as the dispersed phase. According to the particle size of the dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F1/52
Inventor 林国章
Owner 林国章
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