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Landfill leachate treatment system, monitoring system and treatment method

A technology of landfill leachate and treatment system, applied in the field of landfill leachate treatment system, can solve the problems of system operation collapse, fluctuation of raw water quality of landfill leachate influent, and substandard treatment of produced water, etc. Effect

Pending Publication Date: 2021-02-02
桂润环境科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the process control method of the leachate treatment system of the domestic waste landfill that has been built is simple and extensive. The control of the treatment system during the operation process generally adopts the method of manual sampling and testing, which is inefficient and takes a long time. It is difficult to treat the landfill leachate. The monitoring implemented by the system and the adjustment of system operating parameters lead to fluctuations in the raw water quality of landfill leachate inflow, or due to abnormal system operation without timely feedback, which often leads to system collapse or substandard water treatment.

Method used

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  • Landfill leachate treatment system, monitoring system and treatment method
  • Landfill leachate treatment system, monitoring system and treatment method

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Effect test

Embodiment 1

[0036] Embodiment 1 of the present invention discloses a landfill leachate treatment system, comprising:

[0037] Ammonia nitrogen stripping device 1;

[0038] AO reaction device 2, AO reaction device 2 is connected and communicated with ammonia nitrogen stripping device 1;

[0039] A membrane bioreactor 3, the membrane bioreactor 3 is connected and communicated with the AO reactor 2;

[0040] RO reaction device 4, RO reaction device 4 is connected and communicated with membrane bioreactor 3, wherein RO reaction device 4 can be adopted;

[0041] The electrocatalytic oxidation device 5 is connected and communicated with the RO reaction device 4 .

[0042] In a specific embodiment, it also includes: a blower 6 connected and communicated with the AO reaction device 2 and the membrane bioreactor 3 .

[0043] In a specific embodiment, it also includes: a regulating pool 7, which is connected and communicated with the ammonia nitrogen stripping device 1 .

[0044] In a specific ...

Embodiment 2

[0049] Embodiment 2 provides a landfill leachate treatment process monitoring system based on the above-mentioned treatment system, which specifically includes: a remote platform 101, a PLC processor 102, a first data monitoring unit 103, a second data monitoring unit 104 and a third data monitoring unit Unit 105;

[0050] The PLC processor 102 is in communication connection with the remote platform 101 , and the first data monitoring unit 103 , the second data monitoring unit 104 and the third data monitoring unit 105 are all electrically connected to the PLC processor 102 .

[0051] In a specific embodiment, it also includes: a water quality monitoring unit 106, the water quality monitoring unit 106 is electrically connected to the first data monitoring unit 103, wherein the water quality monitoring unit 106 can be distributed in the entire treatment system, and a portable four-in-one A COD, ammonia nitrogen, TP, TN detector, used to detect the COD, ammonia nitrogen, TP, TN ...

Embodiment 3

[0056] Embodiment 3 of the present invention provides a landfill leachate treatment method using any one of the treatment system and monitoring system in Embodiment 1 and Embodiment 2, including:

[0057] S1: Pass the pretreated landfill leachate into the ammonia nitrogen stripping device 1 for deamination treatment, wherein the gas-liquid ratio of the ammonia stripping can be 40-150, which can improve the treatment efficiency;

[0058] S2: Enter the wastewater obtained in step S1 into the AO reaction device 2 for aerobic reaction treatment;

[0059] S3: Enter the water obtained in step S2 into the membrane bioreactor 3 for further processing;

[0060] S4: Enter the water obtained in step S3 into the RO reactor 4 for further filtration;

[0061] S5: Enter the water obtained in step S4 into the electrocatalytic oxidation device 5, and finally discharge it.

[0062] In a specific embodiment, before step S1, it also includes: inputting the landfill leachate to be treated into t...

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Abstract

The invention discloses a landfill leachate treatment system, monitoring system and treatment method. The system concretely comprises an ammonia nitrogen stripping device; an AO reaction device whichis connected and communicated with the ammonia nitrogen stripping device; a membrane biological reaction device which is connected and communicated with the AO reaction device; an RO reaction device which is connected and communicated with the membrane biological reaction device; and an electro-catalytic oxidation device which is connected and communicated with the RO reaction device; according tothe invention, the parameter change of each section of the landfill leachate treatment system can be monitored in real time, and fine management is realized.

Description

technical field [0001] The invention relates to the technical field of environmental protection, and more specifically relates to a landfill leachate treatment system, a monitoring system and a treatment method. Background technique [0002] At present, a large amount of landfill leachate will be produced in the sanitary landfill process of municipal solid waste, and landfill leachate is a kind of high-concentration organic wastewater with complex components, which has the typical characteristics of high pollution load and comprehensive pollution. It has large water volume, deep color, The water quality is complex, the concentration of organic matter is high, and the concentration of ammonia nitrogen is high. [0003] At present, the process control method of the leachate treatment system of the domestic waste landfill that has been built is simple and extensive. The control of the treatment system during the operation process generally adopts the method of manual sampling a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/06C02F101/16
CPCC02F9/00C02F2103/06C02F1/20C02F2101/16C02F3/30C02F3/1268C02F1/4672C02F2209/005C02F1/441C02F2209/08C02F2209/16C02F2209/22C02F1/66C02F1/001
Inventor 魏江州王晓飞张小平李航张万文孙帮周涂方祥孙美娟闭道军李灵知
Owner 桂润环境科技股份有限公司
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