Sewage treatment method adopting baffle plate and membrane-aeration coupling device

A sewage treatment method and coupling device technology, which is applied in the field of sewage treatment using baffle plates and membrane aeration coupling devices, can solve problems such as the decline in denitrification effect, achieve high treatment capacity, improve treatment effect, and stabilize treatment effect Effect

Inactive Publication Date: 2010-12-29
ANGANG STEEL CO LTD
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Problems solved by technology

Although this special biofilm layered structure has good nitrification and denitrification effects, when the influent C/N ratio is too high,

Method used

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  • Sewage treatment method adopting baffle plate and membrane-aeration coupling device
  • Sewage treatment method adopting baffle plate and membrane-aeration coupling device

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[0015] The following describes specific embodiments of the present invention in conjunction with the drawings:

[0016] The invention utilizes the fusion characteristic of the anaerobic state of the outer layer of the membrane aeration biofilm and the internal environment of the anaerobic baffle reactor, and puts the domesticated membrane aeration membrane module into the anaerobic baffle reactor with stable operation In the third upflow compartment, a coupled reactor is formed.

[0017] The process flow of the present invention is: sewage—anaerobic reaction occurs in the first upstream compartment of the anaerobic baffle reactor—anaerobic reaction occurs in the second upstream compartment of the anaerobic baffle reactor—in the anaerobic reactor Anaerobic reaction occurs in the third upstream compartment of the oxygen baffle reactor-aerobic and anaerobic reactions occur in the membrane aerated biofilm module-anaerobic reaction occurs in the fourth upstream compartment of the anaero...

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Abstract

The invention discloses a sewage treatment method adopting a baffle plate and a membrane-aeration coupling device. A coupling reactor is formed by putting a well-trained membrane-aeration assembly in a third upstream compartment of a stably operating anaerobic baffle plate reactor. The process flow comprises the following steps of: carrying out an anaerobic reaction on sewage in a first upstream compartment of the anaerobic baffle plate reactor; carrying out an anaerobic reaction in a second upstream compartment of the anaerobic baffle plate reactor; carrying out an anaerobic reaction in the third upstream compartment of the anaerobic baffle plate reactor; carrying out an aerobic reaction and an anaerobic reaction in the membrane-aeration biological membrane assembly; carrying out an anaerobic reaction in a fourth upstream compartment of the anaerobic baffle plate reactor; and obtaining processed fresh water. By coupling the anaerobic baffle plate reactor with the membrane-aeration biological membrane reactor, the invention reaches the oxygen utilization rate approaching 100 percent, is suitable for growing and propagating nitrobacteria which grows slowly, improves the impact load resisting capacity of the membrane assembly, saves the equipment investment and operation cost and is easy to reach operation parameters needed for operation.

Description

Technical field [0001] The invention belongs to the technical field of water treatment equipment, in particular to a sewage treatment method adopting a baffle and a membrane aeration coupling device. Background technique [0002] Nitrogen in sewage is the main factor inducing the deterioration of water bodies. The removal of nitrogen-containing pollutants not only requires the synergy of a large number of exclusive microorganisms, but also has strict requirements on environmental conditions, which has always restricted the development of nitrogen removal processes. In particular, the realization of nitrogen removal in high-concentration organic wastewater is a problem in the water treatment industry. At present, anaerobic and aerobic cascade methods are commonly used at home and abroad to treat high-concentration organic nitrogen-containing wastewater. However, this type of process not only has a long process, high capital construction cost, large area, but also requires additio...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F3/30C02F3/28C02F1/44C02F3/10
CPCY02W10/10
Inventor 胡绍伟徐小连杨春雨陈义庆钟彬艾芳芳徐承明肖宇武裕民王永明
Owner ANGANG STEEL CO LTD
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