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Garbage leachate treatment system

A treatment system and leachate technology, applied in anaerobic digestion treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve problems such as concentration that cannot be processed, and achieve the effect of solving the problem of secondary pollution

Inactive Publication Date: 2011-09-21
SHENZHEN ENERGY ENVIRONMENT ENG
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0021] The technical problem to be solved by the present invention is to provide a garbage leachate treatment system that can effectively treat the concentrated solution of the membrane treatment system in view of the defect that the existing technology cannot handle the concentration of the garbage leachate after membrane treatment

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Embodiment Construction

[0041] like figure 1As shown, it is an embodiment of the garbage leachate treatment system of the present invention, which can be used in places such as garbage incineration plants or garbage incineration power plants. In combination with the current situation of domestic leachate treatment technology, the "biochemical + membrane + evaporation" treatment process is used to treat garbage leachate. The filtrate is processed to achieve the purpose of meeting the first-level discharge standard (including total nitrogen index) and nanotube discharge standard or industrial reuse. The process flow is shown in the appendix figure 1 .

[0042] The garbage leachate treatment system includes a regulating tank 11 connected to the leachate, a biochemical treatment system connected to the leachate treated by the regulating tank 11, a membrane treatment system connected to the leachate treated by the biochemical treatment system, and a membrane The evaporative crystallization system 16 for ...

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Abstract

The invention relates to a garbage leachate treatment system. The system comprises an adjusting tank for leachate, a biochemical treatment system for the leachate treated by the adjusting tank, a membrane treatment system for the leachate treated by the biochemical treatment system, and an evaporation crystallization system for performing evaporation crystallization on concentrated solution of the membrane treatment system. The concentrated solution of the membrane treatment system is subjected to evaporation crystallization by the evaporation crystallization system, and treated effluent and crystal salt can be recycled, so that the problem of secondary pollution caused by the concentrated solution of the membrane treatment system is radically solved; nanofiltration concentrated solution of a nanofiltration system is further sprayed to a hearth of an incinerator through a spraying system to be incinerated, so that the problem of secondary pollution caused by the nanofiltration concentrated solution is radically solved; meanwhile, reverse osmosis concentrated solution is treated by an evaporation crystallization method, and treated effluent and crystal salt can be recycled, so that the problem of secondary pollution caused by the reverse osmosis concentrated solution is radically solved.

Description

technical field [0001] The invention relates to a garbage leachate treatment system, in particular to a garbage leachate treatment system that can be used in garbage incineration plants or garbage incineration power plants. Background technique [0002] Since the reform and opening up, with the improvement of living standards and the rapid development of modern cities, the problem of domestic waste pollution has become increasingly prominent. Domestic waste treatment methods mainly include incineration, composting, mechanical treatment and landfill. The traditional landfill treatment of municipal solid waste is subject to more and more restrictions. According to the basic principles of harmlessness, reduction and recycling of municipal solid waste, domestic waste incineration power generation has become a solution to urban domestic waste in recent years. New direction, the construction of waste incineration plants has developed rapidly in recent years. During the storage, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C01D3/06C02F3/28
CPCY02E50/30
Inventor 朱春福兰建伟赵剑锋徐文军江晶
Owner SHENZHEN ENERGY ENVIRONMENT ENG
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