Wall stone-like coating wastewater treatment method

A technology for coating wastewater and treatment method, which is applied in waste coating treatment, water/sewage treatment, water treatment parameter control, etc., can solve the problems of low treatment efficiency, high operating cost, and high investment, and achieves low investment, resource saving, economical Significant effect

Inactive Publication Date: 2020-11-10
山东蓝城分析测试有限公司 +1
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  • Description
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  • Application Information

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Problems solved by technology

Although these processes have been widely applied and promoted, these processes generally have disadvantages such as high operating costs, low processing efficiency, and high investment.

Method used

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  • Wall stone-like coating wastewater treatment method

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Embodiment Construction

[0030] Such as figure 1 As shown, one embodiment of the present invention provides a kind of wall body imitation stone coating waste water treatment method, comprises plate and frame filter press, flocculation sedimentation, hydrolytic acidification, UASB anaerobic reaction, contact oxidation, ozone oxidation, biological aerated filter procedures, specifically:

[0031] S1, pump the waste water of imitation stone paint on the wall into the plate and frame filter press through the screw pump. The pressure of the plate and frame filter press is set at 420-600Kpa, and the plate and frame filter press cycle is 36-48h. The mud cake from the plate and frame press filter is reused to the workshop, and the sewage enters the waste water collection tank, and the material recovery rate reaches 10-12%. Wherein, preferably, the moisture content of the mud cake should be <80%, if not less than 80%, continue to increase the filter pressing time of the plate and frame filter press until the ...

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Abstract

The invention provides a wall stone-like coating wastewater treatment method. The wall stone-like coating wastewater treatment method comprises the steps of plate-and-frame filter pressing, flocculentprecipitation, hydrolytic acidification, UASB anaerobic reaction, contact oxidation, ozone oxidation and a biological aerated filter. According to the method, a physicochemical, biochemical and advanced treatment method is adopted, and compared with a conventional flocculent precipitation method for treating the wall stone-like coating wastewater, the method does not generate hazardous wastes, does not generate secondary pollution, and is remarkable in environmental protection benefit.

Description

technical field [0001] The invention relates to the field of waste water treatment of wall imitation stone paint, in particular to a method for treating waste water of wall imitation stone paint. Background technique [0002] In recent years, with the rapid development of the real estate industry, the amount of imitation stone paint on walls has gradually increased. Wall imitation stone paint is a kind of paint that resembles marble and granite. The paint has the characteristics of waterproof, fireproof, non-toxic, acid and alkali resistance, and strong oxidation resistance. It has been fully used in modern exterior wall decoration and gradually replaced Traditional stone such as marble and granite. [0003] Wall imitation stone paint wastewater is wastewater with high organic matter and high suspended solids. The wastewater contains cellulose, plasticizers, thickeners, film-forming aids, emulsions and other raw materials. The wastewater will be discharged directly into the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/14C02F101/30
CPCC02F9/00C02F1/001C02F1/5281C02F1/5245C02F1/56C02F3/30C02F1/78C02F1/725C02F2209/08C02F2209/14C02F2103/14C02F2101/30
Inventor 刘慧张银新
Owner 山东蓝城分析测试有限公司
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