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Integrated enhanced aerobic granular sludge membrane bioreactor system

A technology of aerobic granular sludge and membrane bioreactor, applied in water pollutants, biological treatment devices, chemical instruments and methods, etc., can solve the construction and operation difficulties of sewage treatment facilities, lack of professional and technical personnel, and can not be centralized treatment and other problems, to achieve the effect of stable effluent quality, efficient pollutant degradation, and easy operation.

Inactive Publication Date: 2019-01-18
CHONGQING UNIV IND TECH RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The discharge is scattered, the pipe network is difficult to lay, and it cannot be treated centrally
Due to scattered areas such as rural areas, weak economic foundation, lack of professional and technical personnel, the construction and operation of sewage treatment facilities are difficult

Method used

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  • Integrated enhanced aerobic granular sludge membrane bioreactor system
  • Integrated enhanced aerobic granular sludge membrane bioreactor system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An integrated enhanced aerobic granular sludge membrane bioreactor system, characterized in that it includes an inlet pump 2, a reactor cavity 3, a hollow honeycomb tube 4, a vacuum pump 8, a membrane module 11, and an aerobic granular sludge reaction zone 12. Drug storage pool 13, membrane separation area 14, and drug dosing pump 15.

[0029] The upper end of the reactor cavity 3 is open and the bottom end is closed. In an embodiment, the aspect ratio (l / b) of the reactor cavity 3 is 2:1˜15:1, and the aspect ratio (b / h) is 1:1.5˜1:10.

[0030] The inside of the reactor chamber 3 is provided with a first dividing plate 9 perpendicular to the horizontal plane to separate the interior space of the reactor chamber 3 into two independent parts, one of which is an aerobic granular sludge reaction zone 12, and the other part is set There is a second partition plate 90 . The second partition plate 90 is perpendicular to the horizontal plane and divides the internal space whe...

Embodiment 2

[0041] The present embodiment adopts the sewage treatment method of the system described in embodiment 1, is characterized in that, comprises the following steps:

[0042] 1) The water inlet pump 2 continuously sends the sewage from the former residents or the distributed septic tank 1 into the aerobic granular sludge reaction zone 12 .

[0043] 2) The dosing pump 15 regularly and quantitatively transports the coagulation agent solution in the drug storage tank 13 into the aerobic granular sludge reaction zone 12 . The dosage of coagulant agent (polyaluminum chloride solution) is 5-500mg (polyaluminum chloride) / L (influent water).

[0044] 3) After being treated by the enhanced aerobic granular sludge in the reaction zone, the sewage enters the membrane separation zone 14 through the perforated partition 9 .

[0045]4) The sewage entering the membrane separation zone 14 is filtered through the membrane module 11 . Further, the operating conditions of the membrane bioreactor ...

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Abstract

The invention discloses an integrated enhanced aerobic granular sludge membrane bioreactor system, belonging to the technical field of wastewater treatment. A membrane bioreactor is internally dividedinto three areas by means of spacer plates, and the three areas are respectively a left side reaction area, a right upper chemical feed liquid storage area and a right lower membrane separation area;hollow honeycomb tubes with perforated side walls are vertically and densely distributed in the reaction area, and a microporous aerator is arranged at the bottom of the reaction area; the membrane separation area is internally provided with a membrane module and a perforated aerator; continuous flow sewage enters a water inlet pipe from the top of the reaction area, pollutants are removed by means of microbial degradation effect of aerobic granular sludge in the reaction area, the sewage then flows into the right lower membrane separation area through the spacer plate which is perforated atthe middle part, and the sewage is treated again by means of the membrane module in the membrane separation area and is then discharged after reaching standard; furthermore, the right upper liquid storage area is used for adding a reinforcement coagulating agent such as polyaluminium chloride into the reaction area by means of the chemical feed pump, so that the structural stability of the aerobicgranular sludge is improved. The integrated enhanced aerobic granular sludge membrane bioreactor system can realize high-efficiency purification of domestic sewage, and effectively reduces membrane pollution, thus having a good engineering application prospect.

Description

technical field [0001] The invention designs a membrane bioreactor for treating domestic sewage, and in particular relates to a treatment method using aerobic granular sludge in the membrane bioreactor. Background technique [0002] Residential domestic sewage mainly comes from bathing, laundry, kitchen and manure. Like decentralized septic tank sewage, the water quality and quantity of both fluctuate greatly, with seasonality and time period. The discharge is scattered, the pipe network is difficult to lay, and it cannot be treated in a centralized manner. Due to scattered areas such as rural areas, weak economic foundation, and lack of professional and technical personnel, it is difficult to construct and operate sewage treatment facilities. Contents of the invention [0003] The object of the present invention is to provide a kind of integrated aerobic granular sludge membrane bioreactor system, it is characterized in that: comprise inlet pump, reactor cavity, hollow ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/12C02F101/30
CPCC02F3/1268C02F2101/30C02F2203/006Y02W10/10
Inventor 何强刘彩虹陈子惟梁梓轩陈俊宇皇甫小留李果何高缘
Owner CHONGQING UNIV IND TECH RES INST