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Papermaking wastewater treatment system and method

A technology for treating system and papermaking wastewater, which is applied in the process of wastewater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. , three-phase anaerobic treatment conditions are difficult to control, etc., to achieve the ideal purification effect, improve the degree, and shorten the time.

Active Publication Date: 2015-02-25
安徽景丰纸业有限公司
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Problems solved by technology

However, the conditions of three-phase anaerobic treatment in this method are difficult to control. In actual industrial applications, it is difficult to achieve the effect of complete anaerobic reaction, so that the entire process of wastewater treatment is in line with the principle. However, in practical applications, the effect of wastewater treatment not ideal

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  • Papermaking wastewater treatment system and method
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Embodiment Construction

[0035] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention but not to limit the scope of the present invention.

[0036]It can be seen from the accompanying drawings that this papermaking wastewater treatment system includes a waste water tank, a first flocculation sedimentation tank, a fly ash tank, a second flocculation sedimentation tank, a modified fly ash zeolite filter tank, a biological sedimentation tank and a recycling tank. A water pool, the waste water pool is used to receive waste water from the waste water discharge pipeline of the papermaking workshop; a stirring device is installed in the first flocculation settling tank, and a sludge pool is arranged at the bottom of the first flocculation settling tank, and the first flocculation settling tank is equipped with a sludge pool. ...

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Abstract

The invention relates to a papermaking wastewater treatment system and method. The wastewater treatment system comprises a wastewater tank, a first flocculating settling tank, a fly ash tank, a second flocculating settling tank, a modified fly ash zeolite filtration tank, a biological settling tank and a reuse water tank. The wastewater treatment method comprises the following steps: first flocculating settling, fly ash adsorption roguing, second flocculating settling, modified fly ash zeolite adsorption filtration and biological settlement. The system and method can gradually remove harmful substances in the wastewater, and have the advantages of ideal purifying effect and short wastewater treatment period.

Description

technical field [0001] The invention relates to a papermaking wastewater treatment system and method, belonging to the field of industrial wastewater treatment. Background technique [0002] The paper industry is an industry with large water consumption and heavy pollution. The organic matter (COD) discharged from papermaking wastewater accounts for about 25% of the total organic matter in industrial wastewater in my country, which seriously pollutes the environment. Therefore, zero discharge of papermaking wastewater is a water-saving and pollution control strategy. Equal emphasis on production and practical technology has good economic benefits, as well as obvious social and environmental benefits, and is also a necessary choice for the paper industry to achieve sustainable development. [0003] The paper industry is a traditional large water user and one of the important sources of water pollution. With the development of the economy, enterprises are increasingly facin...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F1/52C02F103/28
Inventor 尤为
Owner 安徽景丰纸业有限公司
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