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Pit pond wastewater treatment method and device

A wastewater treatment and treatment method technology, applied in the direction of animal processing wastewater treatment, water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problem that it is difficult to meet the discharge standard, it is difficult to adapt to the treatment, and the treatment effect of tannery wastewater is not obvious To achieve the effect of saving carbon source consumption, reducing pollutants, and improving water quality

Inactive Publication Date: 2020-01-10
海绵城市投资有限公司 +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Conventional biochemical treatment methods have no obvious treatment effect on the discharged tannery wastewater, and it is difficult to meet the discharge standards
It has been difficult to adapt to the treatment of such wastewater

Method used

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  • Pit pond wastewater treatment method and device
  • Pit pond wastewater treatment method and device
  • Pit pond wastewater treatment method and device

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Embodiment Construction

[0039] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0040] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0041] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0042] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a pit pond wastewater treatment method and device, the pit pond wastewater treatment device comprises a pretreatment tank, a primary biochemical reaction tank, an advanced oxidation reactor, a secondary biochemical reaction tank and a resin adsorption tower which are sequentially communicated; wastewater enters from the pretreatment device and is discharged from the resin adsorption tower. Through the device, the wastewater is pretreated, subjected to primary biochemical reaction, subjected to advanced oxidation reaction, subjected to secondary biochemical reaction andsubjected to adsorption treatment in sequence. The technical effect of the device is that the treatment efficiency of pollutants in the wastewater is improved through multistage reaction and treatment, the pollutants in the wastewater are reduced, and the water quality of the wastewater is improved. And desorption regeneration is carried out on that resin after adsorption saturation, desorption liquid is return to the primary biochemical reaction tank, multi-stage use of medicaments is realized, and residual refractory organic matters are treated for a plurality of times. The device has the characteristics of stability and reliability, multi-stage use of medicaments, good treatment effect and environmental friendliness.

Description

technical field [0001] The invention relates to the technical field of pond wastewater treatment, and more specifically, to a method and device for treating pond wastewater. Background technique [0002] In the tanning process, a large amount of water and other chemical additives are required, which results in a large amount of wastewater with chemical components being discharged during the tanning process. The discharged wastewater contains pollutants with complex composition. Moreover, this type of wastewater has high water toxicity, high chemical oxygen consumption, and poor biodegradability, which makes it difficult to purify and treat this type of wastewater. It is one of the difficult-to-treat industrial wastewater. [0003] Untreated tannery wastewater is discharged into pits and ponds, which will pollute the water quality in the place where it is discharged, causing the color of the water to change, showing red or dark black. Long-term accumulation and deposition ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/10C02F101/16C02F101/30C02F103/24
CPCC02F9/00C02F1/4672C02F1/52C02F1/24C02F1/72C02F1/28C02F2001/007C02F1/001C02F2103/24C02F2101/105C02F2101/16C02F2101/30
Inventor 肖小林骆坚平卢艳明常志佳李莹
Owner 海绵城市投资有限公司
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