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Wastewater treatment device with anaerobic dynamic membrane reactor

A wastewater treatment and dynamic membrane technology, applied in anaerobic digestion treatment, waste fuel, etc., to achieve the effects of easy cleaning, short formation time, and simple installation and operation

Inactive Publication Date: 2013-03-06
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing dynamic membrane technology is mostly used in the aerobic activated sludge treatment process, and there is no report on the use of dynamic membrane technology for wastewater treatment under anaerobic conditions.

Method used

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  • Wastewater treatment device with anaerobic dynamic membrane reactor
  • Wastewater treatment device with anaerobic dynamic membrane reactor

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Embodiment 1: as Figure 1-Figure 2 Shown, a kind of anaerobic dynamic membrane reactor wastewater treatment device comprises: water inlet pipe 1; sludge layer 2; mud-water separation layer 3; dynamic membrane module 4; outlet pipe 5; air outlet pipe 6; Backwash water tank 8. The supporting legs 11 are fixed on the filter cloth skeleton 10 in an orderly manner by mechanical or chemical methods, and the filter cloth skeleton 10 is provided with a water outlet pipe 5, which is also a water inlet for backwashing. The shape of the filter cloth is a circular cross-section, which can obtain the optimal water conservancy conditions and effectively avoid the problems such as the reduction of the effective flow area due to clogging and the poor flushing effect caused by the uneven distribution of the backwash water flow during the dynamic membrane pre-coating.

[0025] Simulated industrial organic wastewater with a wastewater concentration of 2500mg / L. On the 13th day after th...

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Abstract

The invention relates to a wastewater treatment device with an anaerobic dynamic membrane reactor, which comprises an anaerobic biological reactor and a dynamic membrane assembly, wherein the anaerobic dynamic membrane comprises a lower sludge layer and a sludge and water separation layer, and the dynamic membrane assembly is arranged in the anaerobic reactor. The dynamic membrane with the sludge layer is formed so as to improve the sludge and water mixed liquid separation effect of a large-hole support body, and good filtration and separation functions can be achieved; simultaneously, methane gas doped in the mixed liquid is separated, so that the separation function of a three-phase separator in the traditional anaerobic reactor to the liquid, solid and gas can be replaced; and the upper space of the upflow type anaerobic sludge reactor can be effectively utilized, and the anaerobic biological treatment and dynamic membrane separation are combined, so that the outgoing water has good quality after the treated wastewater is filtered and separated by the dynamic membrane. According to the invention, a supporting net of the dynamic membrane is wide in material selection and low in cost, the backwashing air pressure of the dynamic membrane is 50-100kPa, the backwashing strength of the water is 10-20 times of filtration flux of the dynamic membrane, and the backwashing is convenient.

Description

technical field [0001] The invention relates to an anaerobic dynamic membrane reactor wastewater treatment device. The dynamic membrane is added to the anaerobic tank, which replaces the three-phase separator and improves the efficiency of the three-phase separation of water, gas and solid, and belongs to the field of anaerobic treatment of wastewater . Background technique [0002] Compared with aerobic treatment technology, anaerobic treatment of wastewater is a low-cost water treatment technology that combines wastewater treatment and energy recovery. Anaerobic biological treatment technology has the following characteristics: (1) Simple construction, operation and operation, low cost of infrastructure and operation; (2) Low energy demand, saving energy; (3) The amount of excess sludge produced by anaerobic treatment And less. [0003] Since the 1940s, anaerobic treatment technology has been greatly developed, and the breakthrough was the Upflow Anaerobic Sludge Bed (UA...

Claims

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Application Information

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IPC IPC(8): C02F3/28
CPCY02E50/30
Inventor 周雪飞张亚雷褚华强苏鸿洋郭肃晋赵静
Owner TONGJI UNIV
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