Integral treatment apparatus for urban sewage

A comprehensive treatment and urban sewage technology, applied in the direction of anaerobic digestion treatment, etc., can solve the problems of inability to remove nitrogen and phosphorus, achieve enhanced treatment effect, uniform water distribution, and ensure contact effect
CN100348515CInactive Publication Date: 2007-11-14HUNAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN UNIV
Publication Date
2007-11-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

A comprehensive treating system for city sewage is composed of an admission water tank, a reactor with water inlet on its bottom, water outlet on its top, screen plate at said water inlet and three-phase separator at its water outlet, an adsorptive column with zeolite as its filler and the screen plates at its water inlet and outlet, and a treating water tank. Its advantage is high effect to remove COD, ammoniacal nitrogen and P.
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Description

technical field

[0001] The invention mainly relates to the field of environmental protection equipment, in particular to a comprehensive urban sewage treatment device. Background technique

[0002] At present, compared with aerobic biological treatment technology, the advantages of anaerobic treatment are: (1) No oxygen supply is required, which saves operating costs; (2) The amount of sludge produced is 3 to 20 times less than that of aerobic process, and the sludge is easy to handle; (3) Less investment, easy maintenance, etc. Furthermore, the anaerobic process produces biogas, allowing the energy stored in the organic matter to be recovered. With the process of urbanization in China, the discharge of urban wastewater is increasing, and anaerobic reactors will also be widely used in the field of urban sewage treatment.

[0003] Due to the lack of oxygen supply in anaerobic treatment, the ammonia nitrogen in the sewage cannot be converted into nitrate nitrogen and nitrite...

Claims

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