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Novel rural domestic sewage treatment technology

A domestic sewage and treatment process technology, applied in the direction of biological water/sewage treatment, biological sludge treatment, water/sewage multi-stage treatment, etc., can solve the problem that the treatment capacity of small sewage treatment stations cannot fully meet the use requirements and the waste is difficult to synthesize Utilization, waste of resources and other issues, to achieve the effect of improving the hardening condition, lasting fertility, and improving the utilization rate

Inactive Publication Date: 2018-12-21
JIANGSU KANGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the new villages and towns need to face a problem is the treatment of domestic sewage, how to effectively reduce the pollution of domestic sewage to the environment
Due to the small amount of daily sewage output in new rural areas and new small towns, the cost of building larger sewage treatment stations is not only high, but also a large part of the treatment capacity of sewage treatment stations will be idle, while small sewage treatment stations treat The capacity cannot fully meet the use requirements, and the waste after sewage treatment is difficult to comprehensively utilize, resulting in a certain waste of resources

Method used

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Embodiment Construction

[0027] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0028] The novel village and town domestic sewage treatment process of the present invention comprises the following steps:

[0029] (a) Domestic sewage pretreatment.

[0030] When building a community of a new type of village or town, a sewage collection station is set up in the community, and the community domestic sewage is initially filtered at the sewage collection station to filter out solids with a particle size greater than 3cm in the domestic sewage, and the filtered solids It is mixed with porous calcium carbonate with a particle size of 30-70 microns and transported to a biogas digester for fermentation to pr...

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Abstract

The invention discloses a novel rural domestic sewage treatment technology which comprises the following steps: (a) pretreating domestic sewage; (b) purifying the pretreated domestic sewage; (c) conveying sludge generated in a domestic sewage purifying process to a farmyard manure production station to be treated. The novel rural domestic sewage treatment technology disclosed by the invention is suitable for new rural and new village domestic sewage treatment, can comprehensively utilize waste generated in a sewage treatment process, improves resource utilization rate and is favorable for constructing sustainable development society.

Description

technical field [0001] The invention relates to the field of domestic sewage treatment, in particular to a novel village and town domestic sewage treatment process. Background technique [0002] The new urbanization has greatly improved the living standards of residents, and made residents live more together, reducing the number of abandoned old houses in the original villages and towns, which is conducive to the centralized supply of electricity, water and other resources, reducing the need for pipelines or The laying of lines is also conducive to the centralized recycling of domestic waste. However, a problem that new villages and towns need to face is the treatment of domestic sewage, how to effectively reduce the pollution of domestic sewage to the environment. Due to the small amount of daily sewage output in new rural areas and new small towns, the cost of building larger sewage treatment stations is not only high, but also a large part of the treatment capacity of se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F11/04B01D53/86B01D53/44C05G3/04C05F7/00C05G3/80
CPCB01D53/8687B01D2255/2063B01D2255/20707B01D2255/20769B01D2255/30B01D2255/802B01D2257/708B01D2258/02B01D2259/80C02F1/001C02F1/66C02F3/00C02F9/00C02F2301/08C02F2303/02C05D3/02C05F7/00C05G3/80C05D9/00C05F3/00C05F11/00C05F11/02C05F17/00Y02A40/20Y02E50/30
Inventor 夏兵郁莉萍丁庄严
Owner JIANGSU KANGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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