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Biological reactor of polygonal line flowing film

A membrane bioreactor and linear flow technology, which is applied in the field of UCT-broken-line flow membrane bioreactor, can solve the problem of difficulty in improving the removal rate of phosphorus pollutants, and achieve the extension of hydraulic retention time, enhancement of phosphorus release effect, and automatic control capability. strong effect

Inactive Publication Date: 2009-12-09
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing membrane bioreactors are difficult to improve the removal rate of nitrogen and phosphorus pollutants in domestic sewage due to the limitation of process types.

Method used

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  • Biological reactor of polygonal line flowing film
  • Biological reactor of polygonal line flowing film

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Experimental program
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Embodiment Construction

[0018] The present invention will be described in detail below with reference to the accompanying drawings.

[0019] The membrane bioreactor is divided into anaerobic zone, anoxic zone and aerobic zone according to the volume ratio of 1:1:4, and ≥2 partition baffles are set in the aerobic zone (depending on the volume of the reactor), and the membrane module Placed at the end of the aerobic zone, the UCT reflux process is adopted during operation, that is, the sewage flows back from the aerobic zone to the anoxic zone, and the anoxic zone returns the mixed solution to the anaerobic zone, and the ORP probe is used to monitor the anaerobic zone and the anoxic zone The oxidation-reduction potential was monitored by DO probes to monitor the dissolved oxygen in the aerobic zone. The overall water flow in the reactor is in a broken-line flow mode, and the water is pumped through the membrane module to the water storage tank by the suction pump.

[0020] figure 1 Shown is a schemat...

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Abstract

The invention relates to a sewage treatment device, in particular to a UCT-broken line flow membrane bioreactor directly used for reuse of reclaimed water. Including float valve, perforated aeration tank, liquid flow meter, gas flow meter, vacuum pressure gauge, hollow fiber membrane module, submersible reflux pump, single-stage self-priming pump, electronic mixer, aeration pump, ORP potential tester, Dissolved oxygen detector, water storage tank, regulating pool, characterized in that: the membrane bioreactor is divided into anaerobic zone, anoxic zone and aerobic zone according to the volume ratio of 1:1:4, and ≥ basis is set in the aerobic zone The volume of the reactor depends on the two partition baffles. The ORP probe is used to monitor the oxidation-reduction potential of the anaerobic zone and the anoxic zone, and the DO probe is used to monitor the dissolved oxygen in the aerobic zone. The suction pump pumps water through the membrane module into the water storage tank.

Description

technical field [0001] The invention relates to a sewage treatment device, in particular to a UCT-broken line flow membrane bioreactor directly used for reuse of reclaimed water. Background technique [0002] With the development of human society, the problem of water resources has been paid more and more attention by people. Fresh water resources are non-renewable and also one of the indispensable natural resources for human survival and development. According to the survey, the available water resources on the earth account for 0.6% of the total water on the earth, and the distribution of resources in the world is extremely uneven. According to the information provided by the United Nations Habitat Center, currently, on a global scale, the number of people facing the problem of water shortage has accounted for 20% of the total number of people in the world, that is, about 1.2 billion people. my country is a country that lacks water resources, and there are water shortages...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/30
Inventor 金亚斌李亚峰
Owner SHENYANG JIANZHU UNIVERSITY
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