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Garbage leachate polluted water body treatment process

A landfill leachate and treatment process technology, which is applied in the field of landfill leachate-polluted water body treatment process, can solve the problems of sewage biochemical limitations and application limitations, and achieve significant treatment effects, low treatment costs, and easy operation.

Inactive Publication Date: 2019-08-30
TIANJIN ECOLOGY CITY ENVIRONMENTAL PROTECTION
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Problems solved by technology

[0003] The traditional treatment methods of landfill leachate include physical and chemical treatment and biological treatment. Physical and chemical treatment includes chemical oxidation and membrane treatment technology. Among them, chemical oxidation requires a large amount of chemicals, and membrane treatment involves the standard treatment of high-concentration concentrates. Its application is subject to certain restrictions; biological treatment methods generally include aerobic treatment and anaerobic treatment, which are the most commonly used methods for landfill leachate treatment, but are also limited by the biodegradability of sewage

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  • Garbage leachate polluted water body treatment process

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example 1

[0023] A lake is polluted by landfill leachate, pollution index: chemical oxygen demand COD Cr 174mg / L, biochemical oxygen demand BOD 5 It is 35mg / L, the suspended solid SS is 210mg / L, and the chromaticity is 200 times. The process provided by the present invention is used to treat the sewage.

[0024] The specific implementation process is as follows:

[0025] Pass the sewage through the grill to remove large particles of impurities. Add polyaluminum chloride to the sewage by pipeline dosing, the reaction time is 1 minute, and then add polyacrylamide, the reaction time is 2 minutes. Fill the sewage after the coagulation reaction into the geotechnical tube bag, use the filter structure of the geotechnical tube bag and the liquid pressure in the bag to intercept and dehydrate the sludge, the flocs are trapped in the tube bag, and the sewage flows out through the gap of the tube bag . The sewage flowing out of the geotechnical pipe bag is introduced into the activated carbo...

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Abstract

The invention discloses a garbage leachate polluted water body treatment process, which includes the following steps of enabling sewage to pass through a grid to remove large particle impurities; adding a coagulant to form flocs; enabling the sewage-containing flocs to enter a geotextile tube, in which the flocs are trapped, and enabling the sewage to flow out through the gap of the tube; enablingthe sewage to enter an activated carbon pool to be adsorbed and filtered by activated carbon to complete the sewage treatment. The sewage treatment process of the invention has the advantages of simple operation and low cost, can achieve the up-to-standard treatment of a garbage leachate polluted water body, and has good application prospects.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment and relates to a process for treating landfill leachate polluted water bodies. Background technique [0002] According to the principle of "recycling, reducing, and harmless" in my country's waste disposal, most cities in China usually use sanitary landfills to dispose of domestic waste. Whether the landfill leachate is treated up to the standard discharge is one of the important indicators to measure whether a landfill is a sanitary landfill. Because some old landfills did not take anti-seepage measures, the leachate produced seeped into the groundwater, causing serious pollution to the groundwater. Its pollution lasts for decades, even hundreds of years, seriously threatening people's production and life. [0003] The traditional treatment methods of landfill leachate include physical and chemical treatment and biological treatment. Physical and chemical treatment includes chemical ox...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F103/06
CPCC02F1/001C02F1/283C02F1/52C02F1/5236C02F1/56C02F9/00C02F2103/06
Inventor 巢军委宋震宇袁珊珊杨伟吴津吴卫甜郑福居王旭东
Owner TIANJIN ECOLOGY CITY ENVIRONMENTAL PROTECTION