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Domestic sewage dispersant type anaerobic contact treatment technique

A domestic sewage and treatment process technology, applied in the direction of anaerobic digestion treatment, waste fuel, etc., can solve the problems of increasing operation and maintenance costs, not suitable for decentralized treatment, etc., to reduce potential safety hazards, low cost, low one-time investment Effect

Inactive Publication Date: 2008-09-03
SHANDONG JIANZHU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As mentioned above, anaerobic sludge bed is often equipped with stirring equipment when used for sludge treatment, which increases operation and maintenance costs; medium or high temperature digestion requires higher requirements, not only stirring but also heating and aging are required, and it is not suitable for decentralized treatment

Method used

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  • Domestic sewage dispersant type anaerobic contact treatment technique
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Examples

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Effect test

Embodiment 1

[0032] figure 1 It is the plane view of the domestic sewage decentralized anaerobic contact treatment process of the present invention, figure 2 It is a cross-sectional view of the domestic sewage distributed anaerobic contact treatment process of the present invention, and the equipment of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The embodiment adopts a group of processing units of the invention provided by 48 households in a building of Jinan Tianyuan New City Community. Such as figure 1 and figure 2 Shown, domestic sewage decentralized anaerobic contact treatment process of the present invention consists of sedimentation tank (1), primary anaerobic reactor (2), secondary anaerobic reactor (3) and sludge digestion reactor (4) composition.

[0033] ①The domestic sewage flows into the sedimentation tank (1) through the pipeline, and the water inlet pipe (5) adopts the submerged inflow method, whi...

Embodiment 2

[0043] In Example 2, in order to further increase the specific surface area of ​​the elastic three-dimensional filler, increase the adhesion strength between anaerobic microorganisms and the elastic three-dimensional filler, and further improve the treatment efficiency of sewage, the present invention performs ultrasonic treatment on the elastic three-dimensional filler to make its surface densely covered with numerous microporous.

[0044] The processing technology is: the vibration frequency is 35KHz, the total power is 60W, and the processing time is 6h.

[0045] Others are basically the same as in Example 1.

[0046] The processing effect of the present embodiment is as shown in table 2:

[0047] Table 2

[0048]

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Abstract

The invention relates to a method designed for processing the domestic sewage of municipal residential districts, guesthouses, vacation villages, aged persons homes, air ports and countries, in particular to a domestic sewage distributed type anaerobic contact processing method. The method adopts the following steps: firstly, deposition: the domestic sewage flows to a sediment tank through a pipeline to perform the deposition; secondly, the anaerobic reaction of the domestic sewage; and thirdly, the anaerobic reaction of mud. The method has the advantages that: firstly, the distributed type treatment method is adopted in the invention, the flexibility is high, the cost is low, the mud amount is small, and the management is convenient; secondly, polypropylene elastic tridimensional packing material adopted inside the anaerobic contact device has large specific surface area, the biomass is large, and the treatment efficiency of the sewage is strengthened; blocking is unlikely to happen; a subsequent sediment facility is not required to be arranged; thirdly, the secondary (or multistage) anaerobic contact process is adopted to ensure organic substances to be fully degraded, and to ensure the operation of the system to be stable and the drainage to reach the standard; and fourthly, after being connected, marsh gas pipes arranged in a monomer way performs the centralized collection, no smell exists, and the safety performance of the system is enhanced.

Description

technical field [0001] The invention relates to a domestic sewage treatment method designed for urban residential quarters, hotels, resort villages, nursing homes, airports and rural areas, and in particular to a decentralized anaerobic contact treatment process for domestic sewage. Background technique [0002] At present, with the rapid economic development, the pace of urbanization is accelerating, and the new residential areas around the city are developing rapidly. The coverage of the urban sewage pipe network is far less than that of these areas, and some sewage is discharged in an orderly manner. Sewage mixed flow, sewage cannot be effectively treated. The intensification of water pollution is largely due to the scattered sources of pollution and the lack of timely sewage treatment. However, it is difficult to implement the idea of ​​centralized collection and treatment for scattered pollution sources in these areas. Due to the high operating cost of the new sewage ...

Claims

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Application Information

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IPC IPC(8): C02F3/28
CPCY02E50/343Y02E50/30
Inventor 张克峰王全良王永磊陈鹏
Owner SHANDONG JIANZHU UNIV
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