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Method and device for treating garbage percolation sewage using composite dieselguhr

A technology of landfill leachate and compound diatomite, applied in the field of environmental protection, can solve the problems of long suspension time, slow flocculation speed, complicated process, etc., and achieve the effect of reducing the content of bacteria and viruses and reducing the amount of use

Inactive Publication Date: 2008-09-17
张家彪 +3
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Problems solved by technology

However, this diatomite treatment method for sewage is used in the process of landfill leachate sewage treatment. Due to the complex pollution components and high concentration of landfill leachate sewage, NH 2 The concentration of -N can be as high as 300-600mg / L, which makes the flocculation speed slower, the suspension time longer, and the treatment effect is not good. Therefore, to meet the treatment effect of the discharge standard, more diatomite must be used, thereby bringing There are disadvantages of large floor area, large equipment investment, high operating cost and complicated process

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  • Method and device for treating garbage percolation sewage using composite dieselguhr

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Embodiment Construction

[0022]A device for treating landfill leachate sewage with composite diatomite of the present invention comprises a digestion mixing ditch treatment tank 1, an aeration tank 2, a reaction tank 3, a sedimentation tank 4, a filter tank 5, a pH value adjustment tank 6, Disinfection tank 7, sludge thickening tank 8, sewage regulating tank 9; the entrance of digestion and mixing ditch treatment tank 1 is connected to the mouth of the garbage leachate inflow ditch; the outlet of digestion and mixing ditch treatment tank 1 is connected to the aeration The inlet of pool 2 is connected; the outlet of aeration tank 2 is connected with the entrance of the composite diatomite delivery chamber 31 of reaction tank 3 through pipelines, and the outlet of the composite diatomite delivery room 31 of reaction tank 3 is connected with the reaction tank The entrance of the coagulant injection chamber 32 of 3 is connected; the outlet of the coagulant injection chamber 32 of the reaction tank 3 is dir...

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Abstract

A process for treating the osmotic garbage sewage by the composite diatomite with flocculating and coagulating actions includes such steps as digestion reaction, blowing aeration, mixing with composite diatomite for coagulating, flocculating reaction, deposition, filtering, regulating pH value and sterilizing. Its system is also disclosed.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a method and a device for treating landfill leachate sewage with composite diatomite. Background technique [0002] With the rapid development of my country's national economy, the substantial improvement of people's living standards, and the continuous expansion of urban scale, the discharge of garbage is also increasing sharply, and leachate will be generated during the stacking of garbage. Landfill leachate is a kind of high-concentration sewage with complex pollution components and high concentration, and the water quality varies greatly, so it is difficult to meet the discharge standards by conventional biological methods. If the landfill leachate sewage is not properly treated, the first is to affect the water quality. Because the landfill leachate contains a large amount of organic matter and organisms, it will consume dissolved oxygen in the w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F1/66C02F3/02C02F1/52C02F1/50
CPCY02W10/10
Inventor 张家彪林自强朱建华邱昆
Owner 张家彪
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