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A compound alternating flow wetland molecular sieve biological turntable treatment system and method

A biological turntable and biological treatment technology, applied in the system field of polluting substances, can solve the problems of easy clogging, large floor space, low hydraulic load, etc., and achieve the effects of preventing long-term retention, reducing sewage load, and reducing the difficulty of treatment

Inactive Publication Date: 2015-11-18
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional underground infiltration system has some disadvantages, such as low hydraulic load, large footprint, easy to block and short service life, etc., which limits its popularization and use

Method used

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  • A compound alternating flow wetland molecular sieve biological turntable treatment system and method

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Embodiment Construction

[0030] The invention provides a compound alternating flow wetland molecular sieve biological turntable treatment system, which can efficiently remove organic matter, nitrogen, phosphorus and other pollutants in sewage.

[0031] see figure 1 . The compound alternating flow wetland molecular sieve biological turntable treatment system provided by the present invention has a main structure including:

[0032] A coagulation tank 2, the upper end of which is equipped with a dosing device 1 for adding coagulant, which coagulates the biologically treated sewage to remove small solids, suspended particles and colloids, so as to reduce the sewage load and reduce the subsequent Dealing with difficulty. The effluent from the coagulation tank 2 is introduced into the integrated biological treatment device 4 through the high water inlet pipe 3 . The coagulant of the present invention is polyaluminum chloride (PAC) + cationic polyacrylamide (CPAM), the weight ratio between the two is 20:...

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Abstract

The invention relates to a composite alternate flow wetland molecular sieve biological rotating disc treatment system, which mainly comprises a coagulation basin, an integral biological treatment device and an ultrafiltration device. The invention also discloses a method for treating phosphorus containing organic wastewater by the composite alternate flow wetland molecular sieve biological rotating disc treatment system.

Description

technical field [0001] The invention relates to a system for removing pollutants such as organic matter, nitrogen and phosphorus in sewage, and more specifically relates to a compound alternating flow wetland molecular sieve biological turntable treatment system. [0002] The present invention also relates to a method for treating phosphorus-containing organic wastewater using the above-mentioned system. Background technique [0003] A / O is the abbreviation of Anoxic / Oxic. It uses anaerobic hydrolysis technology as the pretreatment of aerobic biological treatment. Its advantage is that in addition to degrading organic pollutants, it also has a certain denitrification and phosphorus removal function. . The A / O biological phosphorus removal process is a sewage biological treatment system composed of anaerobic and aerobic two-part reactions. After the sewage enters the anaerobic zone, the phosphorus accumulating bacteria in the reactor absorb a large amount of BOD in the sewa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 王雷席北斗赵颖张列宇常明霍守亮黄彩红李一葳郭可昕徐剑锋
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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