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Treating agent applied to papermaking sewage

A technology of papermaking sewage and treatment agent, which is applied in the direction of neutralization water/sewage treatment, ion exchange water/sewage treatment, flocculation/sedimentation water/sewage treatment, etc. It can solve the problems of non-reusable use and single function, and achieve metal ion The effect of reducing content and saving raw materials

Active Publication Date: 2013-03-06
临沂星火知识产权服务有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the shortcomings of the existing papermaking sewage treatment agent, which has a single function and cannot be reused. A new type of sewage treatment agent invented

Method used

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  • Treating agent applied to papermaking sewage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 40 parts of polyacrylamide; 15 parts of hexametaphosphate; 10 parts of macroporous resin; 35 parts of sodium acetate and mix to obtain treatment agent A.

Embodiment 2

[0027] Weigh 40 parts of DTC; 15 parts of tripolyphosphate; 10 parts of macroporous resin; 35 parts of sulfuric acid and mix to obtain treatment agent B.

Embodiment 3

[0029] Weigh 45 parts of aluminum sulfate; 20 parts of citric acid; 15 parts of macroporous resin; 20 parts of sodium acetate and mix to obtain treatment agent C.

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PUM

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Abstract

The invention belongs to the technical field of a sewage treating agent and especially relates to a treating agent applied to papermaking sewage. The treating agent applied to the papermaking sewage comprises the following components by weight part: 40-55 parts of flocculating agents, 15-25 parts of chelating agents, 10-15 parts of adsorbents and 5-35 parts of PH(Potential of Hydrogen) regulators. The treating agent can enable the physicochemical indexes of the papermaking sewage to meet the GB18918-2002 standard, the contents of COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), SS (Suspended Solids) and metal ions are effectively reduced and the PH is approximately neutral and meets a emission standard.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment agents, in particular to a treatment agent applied to papermaking sewage. Background technique [0002] The paper industry has serious pollution and a large amount of sewage discharge. Every 1 ton of pulp produced will produce 80m 3 sewage. More than 300 kinds of organic pollutants have been detected in papermaking wastewater, and the papermaking industry has become the sixth most polluting industry in the world. It has been reported that 50% of water pollutants in Canadian rivers are discharged by the pulp and paper industry. The pollution of paper industry sewage should not be underestimated. The discharge of paper industry sewage into rivers will seriously damage the ecological balance. [0003] In the existing sewage treatment methods of paper mills, 0.1% polyaluminum chloride is added to the sedimentation tank to cause flocculation and precipitation of sewage. Due to the high pri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/56C02F1/54C02F1/52C02F1/42C02F1/66C02F5/08C02F103/28
Inventor 张成如吕明霞李丹丹
Owner 临沂星火知识产权服务有限公司
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