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A sewage anaerobic membrane biological treatment system and process

A technology of anaerobic membrane biology and treatment system, which is applied in the field of sewage anaerobic membrane biology treatment system and technology, can solve the problems such as little consideration of biodegradation utilization, failure to achieve full degradation of pollutants and full recovery of resources, etc., to achieve good Degradation removal effect, simple structure effect

Active Publication Date: 2021-02-02
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

In the process of urban sewage treatment by AnMBR device, COD removal efficiency is generally taken as the main index, and the biodegradation and utilization of refractory substances such as cellulose, lignin, and surfactant in sewage are rarely considered, and the removal of pollutants has not been realized. Sufficient degradation and recovery of sufficient resources

Method used

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  • A sewage anaerobic membrane biological treatment system and process
  • A sewage anaerobic membrane biological treatment system and process
  • A sewage anaerobic membrane biological treatment system and process

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Embodiment Construction

[0029] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

[0030] Such as figure 1 Shown, a kind of sewage anaerobic membrane biological treatment system of the present invention comprises:

[0031] The matrix pool 1 is used to store the matrix to be reacted, and is equipped with a temperature control device; its capacity can be considered comprehensively according to the flow rate and the matrix preparation cycle.

[0032] The dissolution tank 2 is connected in parallel to the water supply pipeline of the matrix tank 1 and the anaerobic digestion and membrane separation tank 3, and is used to further mix and dissolve the matrix containing high particulate matter content to achieve uniform water inflow, and the water outlet pipeline of the dissolution tank 2 A second timer 21 and a second pump 22 are provided.

[0033] Anaerobic digestion and membrane separation tank 3 mainly completes methanogenic di...

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Abstract

A sewage anaerobic membrane biological treatment system and process, the sewage treatment system is constructed by three parts: a matrix pool, a dissolution tank (optional), an anaerobic digestion and a membrane separation tank, and an equipment power system is constructed by three peristaltic pumps and a time control device. . The actual operation results show that when the hydraulic retention time (HRT) of the system is set to 8h, the effective removal of COD and SS can be achieved at the same time, including some biodegradable surfactants, cellulose and lignin, etc. can be effectively degraded. . In addition, under this operating condition, the sludge yield is very low, which can convert more than 86% of COD into methane, and the yield can reach 0.3L CH 4 / gCOD. This device can achieve high biogas production under the condition of effectively treating urban sewage. The effluent has the potential to recover phosphorus or be used as biological fertilizer after further treatment. It is a new type of sewage that is low-carbon and environmentally friendly and can realize resource recovery. treatment process.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, in particular to a sewage anaerobic membrane biological treatment system and process. Background technique [0002] In the past ten years, my country's urban sewage treatment rate has increased rapidly. By the end of 2015, it reached 91.90%, and it is expected to reach 95% in 2020. However, with the growing call for sustainable environmental development, the problems existing in the traditional aerobic treatment-based sewage treatment model have gradually been recognized and paid attention to by all sectors of society. It is true that the aerobic biological treatment process has played a very important role in the treatment of urban domestic sewage and the improvement of the urban water environment in my country in the past period of time, but the disadvantages of conventional aerobic biological treatment are in today's pursuit of low-carbon, environmental protection, and resource recyc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F1/444C02F3/2853C02F2101/30Y02E50/30
Inventor 陈荣雷振文雯
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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