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Sewage treatment system and sewage treatment method

A sewage treatment system and sewage technology, applied in the field of water treatment, can solve problems such as high consumption

Inactive Publication Date: 2017-07-07
JIANGSU SUYI ENVIRONMENT ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Semi-dry deacidification is to use calcium hydroxide slurry with a concentration of about 15% to deacidify and cool down the flue gas at the same time. The process requires a lot of water

Method used

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  • Sewage treatment system and sewage treatment method
  • Sewage treatment system and sewage treatment method
  • Sewage treatment system and sewage treatment method

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Embodiment Construction

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0031] Such as Figure 1 to Figure 5 As shown, this embodiment provides a sewage treatment system, including a pretreatment unit 1, an anaerobic biochemical treatment unit 2, a membrane biological treatment unit 3, a softening unit 4, a reverse osmosis unit 5, and a network-managed reverse osmosis unit 6 connected in sequence . After garbage incineration, the incineration leachate collection pit collects the incineration liquid, and then passes through the pretreatment unit 1, the anaerobic biochemical treatment unit 2, the membran...

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Abstract

The invention provides a sewage treatment system and a sewage treatment method. The system comprises a pretreatment unit, an anaerobic biochemical treatment unit, a membrane biological treatment unit, a softening unit, a reverse osmosis unit and a network management reverse osmosis unit that are connected in order. After waste incineration, an incineration leachate collection pit collects incineration liquid, then the incineration liquid passes through the pretreatment unit, the anaerobic biochemical treatment unit, the membrane biological treatment unit, the softening unit, the reverse osmosis unit and the network management reverse osmosis unit in order, and filtered water can be obtained, after treatment by the sewage treatment system, the filtered water can reach the emission standards, also a concentrated solution obtained at the reverse osmosis unit can be further concentrated by the network management reverse osmosis unit and then used for fly ash curing, lime pulping and slag cooling treatment, sewage can be completely treated and utilized, and no hazardous substance exists after treatment, thus being more environment-friendly.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a sewage treatment system and a sewage treatment method. Background technique [0002] After being collected, the sewage generated in each section of the waste incineration power plant production process needs to be stored in the garbage pit first, so that the garbage pile can be fermented and the leachate can be exported smoothly, so as to increase the calorific value of the garbage and ensure that the waste water remains stable in the event of equipment accidents or maintenance. It can receive garbage and play a certain role in regulation. The leachate generated during the garbage storage process and the flushing water of the unloading platform must be treated in accordance with the requirements of the environmental impact assessment. At present, in order to meet the strict environmental impact assessment requirements, more leachate treatment adopts the combined treatm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F1/00C02F1/44C02F1/441C02F1/52C02F3/1268C02F3/28C02F5/00C02F9/00C02F2101/16C02F2301/08
Inventor 韩一栋杨婕妤朱艳
Owner JIANGSU SUYI ENVIRONMENT ENG
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