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Method for carrying out full-amount treatment on landfill leachate by utilizing electro-adsorption molecular distillation

A technology of landfill leachate and molecular distillation, which is applied in the field of full-volume treatment of landfill leachate by electroadsorption molecular distillation, can solve problems such as low degradation capacity, secondary pollution, and difficult discharge standards, and achieve short time, reduce treatment costs, The effect of reducing investment costs

Pending Publication Date: 2022-08-05
GUIZHOU OURUIXIN ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From many research examples, it is difficult to treat the leachate to meet the relevant discharge standards by the process of neutralization and stripping-biochemical method. If ammonia is not recycled, it will cause secondary pollution

Method used

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  • Method for carrying out full-amount treatment on landfill leachate by utilizing electro-adsorption molecular distillation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The use of electro-adsorption molecular distiller to carry out the full quantitative treatment of domestic waste landfill landfill infiltration. The water quality is as follows: pH value is 8, COD Cr 6705mg / L, ammonia nitrogen 3920mg / L, chloride 5900mg / L, BOD 5 It is 1960.0mg / L, and TDS is 26700mg / L. Experimental results: After 24 hours of operation, the total quantification treatment rate of wastewater was 99.9%, the average removal rate of CODcr was 99.9%, the average removal rate of ammonia nitrogen was 99.9%, and the average removal rate of TDS was 99.9%, and the equipment was running stably.

Embodiment 2

[0038] The use of electro-adsorption molecular distillation reactor to carry out the full quantification of waste incineration power plant landfill percolation treatment, the water quality is as follows: pH value is 9, COD Cr 4490mg / L, ammonia nitrogen 2980mg / L, chloride 6180mg / L, BOD 5 was 3218.0 mg / L, and TDS was 7102 mg / L. Experimental results: After 24 hours of operation, the total quantification treatment rate of wastewater was 99.9%, the average removal rate of CODcr was 99.8%, the average removal rate of ammonia nitrogen was 99.8%, and the average removal rate of TDS was 99.9%, and the equipment was running stably.

Embodiment 3

[0040] The use of electro-adsorption molecular distillation reactor for full quantification treatment of hazardous waste landfill landfill infiltration, the water quality is as follows: pH value is 9.3, COD Cr is 37183mg / L, ammonia nitrogen is 6607mg / L, chloride is 33209mg / L, BOD 5 was 907.0 mg / L, and TDS was 66301 mg / L. Experimental results: After 24 hours of operation, the total quantification treatment rate of wastewater was 99.9%, the average removal rate of CODcr was 99.9%, the average removal rate of ammonia nitrogen was 99.8%, and the average removal rate of TDS was 99.8%, and the equipment was running stably.

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Abstract

The invention discloses a method for full-amount treatment of landfill leachate by electro-adsorption molecular distillation in the technical field of wastewater treatment, and the method comprises the following steps: performing full-amount treatment on the landfill leachate by using electro-adsorption molecular distillation reactors, namely a raw water regulating tank, an efficient electro-adsorption reactor and an efficient molecular distillation reactor, so as to realize up-to-standard discharge of the leachate; as shown in Figure 1, the equipment comprises a raw water adjusting tank (1), a high-efficiency electro-adsorption reactor (2) and a high-efficiency molecular distillation reactor (3). According to the process method disclosed by the invention, full-amount treatment of the landfill leachate can be realized, pollutants are not discharged into the environment, the ecological environment is protected, and a key problem is solved for full-amount treatment of the landfill leachate.

Description

technical field [0001] The invention relates to the technical field of waste water treatment, in particular to a method for the full amount of landfill leachate treatment by using electro-adsorption molecular distillation. Background technique [0002] Landfill leachate is a difficult-to-treat high-concentration organic wastewater, which is characterized by large fluctuations in water quality and quantity, complex components, and high content of toxic and harmful substances. The treatment of landfill leachate has become a major subject of environmental pollution control in my country at present and for a long time in the future (Shen Huan, Jin Qiting, Cui Xiqin, et al. Experimental study on the treatment of urban landfill leachate with an up-flow anaerobic sludge bed [J] ]. Environmental Pollution Control Technology and Equipment, 2004, 5(4): 1-5). Among them, the content of ammonia nitrogen in landfill leachate is high, which is more difficult to deal with. At present, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10C02F103/06C02F101/16C02F101/12
CPCC02F9/00C02F2103/06C02F1/04C02F1/66C02F1/469C02F2101/16C02F2101/12Y02A20/131
Inventor 刘滨刘伟王涛
Owner GUIZHOU OURUIXIN ENVIRONMENTAL PROTECTION TECH
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