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Adsorbent for adsorption treatment of electroplating wastewater

A technology for adsorption treatment and electroplating wastewater, which is used in metallurgical wastewater treatment, adsorption water/sewage treatment, water/sewage treatment, etc., to achieve good adsorption effect, high adsorption efficiency, and improve adsorption stability.

Active Publication Date: 2018-04-20
重庆精创联合环保工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, along with benefiting mankind, a large amount of electroplating wastewater such as plating cleaning wastewater, waste bath liquid, equipment cooling liquid, and waste plating liquid is also produced during the electroplating production process, making electroplating one of the three major polluting industries in the world today.

Method used

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  • Adsorbent for adsorption treatment of electroplating wastewater

Examples

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Comparison scheme
Effect test

preparation example Construction

[0036] In the present embodiment, the preparation method of described adsorbent comprises the following steps:

[0037] (1) Mix the nano ferric ferric oxide and the lipase solution and adjust the pH of the mixture to 6.0-7.0, then place the mixture at about 25° C. and stir for at least 1 hour;

[0038] (2) Add sodium humate to the mixture obtained in step (1), continue stirring for at least 15 minutes, then add sodium carboxymethyl starch, bamboo charcoal powder, medical stone powder, sulfonated coal, polyaluminum chloride and polyaluminum chloride Acrylamide, just mix well.

Embodiment 1

[0041] For the adsorbent used in the adsorption treatment of electroplating wastewater provided in this example, the raw materials of the adsorbent include the following components in parts by weight: 23 parts of sulfonated coal, 16 parts of medical stone powder, 28 parts of lipase liquid, humic 6 parts of sodium bicarbonate, 16 parts of nano iron ferric oxide, 17 parts of sodium carboxymethyl starch, 6 parts of polyaluminum chloride, 10 parts of bamboo charcoal powder, and 4 parts of polyacrylamide.

[0042] In this embodiment, the lipase liquid is prepared by mixing the lipase liquid produced by the secretion of Pseudomonas fluorescens and the lipase liquid produced by the secretion of Pseudomonas aeruginosa in a mass ratio of 3:2;

[0043] in:

[0044] The cultivation method of Pseudomonas fluorescens and Pseudomonas aeruginosa comprises the steps:

[0045] (1) Preparation of beef extract liquid medium: Weigh 30g of beef extract, 15g of peptone and 15g of sodium chloride a...

Embodiment 2

[0060] For the adsorbent used in the adsorption treatment of electroplating wastewater provided in this example, the raw materials of the adsorbent include the following components in parts by weight: 23 parts of sulfonated coal, 15 parts of medical stone powder, 25 parts of lipase liquid, humic 8 parts of sodium bicarbonate, 18 parts of nano iron ferric oxide, 16 parts of sodium carboxymethyl starch, 5 parts of polyaluminum chloride, 12 parts of bamboo charcoal powder, and 4 parts of polyacrylamide.

[0061] In the present embodiment, the lipase liquid produced by the secretion of Pseudomonas fluorescens and the lipase liquid produced by Pseudomonas aeruginosa are mixed in a mass ratio of 3:2; wherein, Pseudomonas fluorescens And the culture method of Pseudomonas aeruginosa and the extraction method of its lipase liquid are the same as embodiment one.

[0062] In this example:

[0063] The particle size of the sulfonated coal is 1.0mm; the particle size of the bamboo charcoa...

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Abstract

The invention provides an adsorbent for adsorption treatment of electroplating wastewater. Raw materials of the adsorbent comprises the following components in parts by weight: 22 to 25 parts of sulfonated coal, 15 to 20 parts of medical stone powder, 25 to 30 parts of a lipase solution, 5 to 8 parts of sodium humate, 15 to 18 parts of nano-ferroferric oxide, 15 to 18 parts of sodium carboxymethylstarch, 5 to 8 parts of polyaluminium chloride, 10 to 12 parts of bamboo charcoal powder and 3 to 5 parts of polyacrylamide. The raw materials taken as the components used for preparing the adsorbent, disclosed by the invention, are non-toxic and harmless, thereby not causing secondary pollution after the adsorption treatment, the raw materials taken as the components are all excellent in adsorption function, and can mutually promote and cooperate with each other, and synergistically exert the adsorption effect in the process of mixed preparation of the adsorbent, finally, the obtained adsorbent can simultaneously adsorb harmful substances of heavy metal ions, organic compounds and the like in electroplating wastewater, and is good in adsorption effect, high in adsorption efficiency, lowin cost and stable in adsorption.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an adsorbent for adsorption treatment of electroplating wastewater. Background technique [0002] Electroplating is one of the basic processes of the manufacturing industry, which has greatly promoted the development of my country's economy and society. However, along with benefiting mankind, a large amount of electroplating wastewater, such as plating parts cleaning wastewater, waste bath liquid, equipment cooling liquid, and waste plating liquid, is also produced during the electroplating production process, making electroplating one of the three major polluting industries in the world today. About 4 billion cubic meters of electroplating wastewater is discharged in my country every year, which is equivalent to the tap water supply of several large and medium-sized cities. About 50% of the electroplating wastewater does not meet the national discharge standards. The w...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/30C02F1/28C02F1/62C02F103/16C02F101/20
CPCB01J20/0248B01J20/0288B01J20/06B01J20/16B01J20/20B01J20/22B01J20/24B01J20/261B01J2220/46B01J2220/4806B01J2220/4812B01J2220/4825C02F1/281C02F1/283C02F1/285C02F1/286C02F2101/20C02F2103/16
Inventor 邱雪敏关伟李艳琼唐亮蒲章利张灿云张娇李伟
Owner 重庆精创联合环保工程有限公司
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