Steel industry sewage hexavalent chromium pollution composite resin adsorbent and preparation method thereof

A steel industry, composite resin technology, applied in the direction of water pollutants, biochemical equipment and methods, chemical instruments and methods, etc., can solve the problems of high cost of biological treatment, unsuitable for promotion and use, unstable treatment rate, etc., to achieve The treatment effect is good, the effluent water quality is good, and the effect of less dosage

Inactive Publication Date: 2016-12-21
王维娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are physical, chemical, and biological methods for treating hexavalent chromium pollution in iron and steel industry sewage, but most of the physical methods have problems of poor treatment effect and unstable treatment rate; the cost of biolog...

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  • Steel industry sewage hexavalent chromium pollution composite resin adsorbent and preparation method thereof

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Effect test

Embodiment 1

[0020] A composite resin adsorbent for hexavalent chromium pollution in iron and steel industrial sewage, the main raw materials in parts by weight are: 30 parts of modified resin, 10 parts of biofilm of Pseudomonas mieteri CGMCC No.1.6424, 5 parts of polyphosphorus ferric chloride part, 5 parts of sodium tripolyphosphate, 2 parts of sodium metaaluminate, and 0.4 part of sodium lauryl sulfate; the preparation method of the modified resin is: immersing ethacrylic acid resin in lauryl betaine, After soaking for 6 hours, transfer it to a reaction kettle, add tert-butoxycarbonyl-3-pyrrolidone, methyl formate, polyvinyl alcohol and sodium borate, react at 60°C for 0.5 hours under 0.5MPa pressure, and then dry it.

[0021] The preparation method of the Pseudomonas mieteri CGMCC No.1.6424 biofilm is to culture Pseudomonas mieti in the tryptone soybean broth with ammonium lactate added, after static cultivation for 48h, wash with normal saline, and vacuum dry That's it.

[0022] The ...

Embodiment 2

[0028] A composite resin adsorbent for hexavalent chromium pollution in iron and steel industrial sewage, the main raw materials in parts by weight are: 32 parts of modified resin, 11 parts of biofilm of Pseudomonas mieteri CGMCC No.1.6424, 5 parts of polyphosphorus ferric chloride part, 5 parts of sodium tripolyphosphate, 2 parts of sodium metaaluminate, and 0.4 part of sodium lauryl sulfate; the preparation method of the modified resin is: immersing ethacrylic acid resin in lauryl betaine, After soaking for 6 hours, transfer it to a reaction kettle, add tert-butoxycarbonyl-3-pyrrolidone, methyl formate, polyvinyl alcohol and sodium borate, react at 60°C for 0.5 hours under 0.5MPa pressure, and then dry it.

[0029] The preparation method of the Pseudomonas mieteri CGMCC No.1.6424 biofilm is to culture Pseudomonas mieti in the tryptone soybean broth with ammonium lactate added, after static cultivation for 48h, wash with normal saline, and vacuum dry That's it.

[0030] The ...

Embodiment 3

[0036] A composite resin adsorbent for hexavalent chromium pollution in iron and steel industrial sewage, the main raw materials in parts by weight are: 35 parts of modified resin, 13 parts of biofilm of Pseudomonas mieteri CGMCC No.1.6424, 7 parts of polyphosphorus ferric chloride part, 7 parts of sodium tripolyphosphate, 4 parts of sodium metaaluminate, and 0.6 part of sodium lauryl sulfate; the preparation method of the modified resin is: immersing ethylacrylic acid resin in lauryl betaine, After soaking for 6 hours, transfer it to a reaction kettle, add tert-butoxycarbonyl-3-pyrrolidone, methyl formate, polyvinyl alcohol and sodium borate, react at 64°C for 0.5 hours under a pressure of 0.5 MPa, and then dry it.

[0037] The preparation method of the Pseudomonas mieteri CGMCC No.1.6424 biofilm is to culture Pseudomonas mieti in the tryptone soybean broth with ammonium lactate added, after static cultivation for 48h, wash with normal saline, and vacuum dry That's it.

[00...

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Abstract

The invention discloses a steel industry sewage hexavalent chromium pollution composite resin adsorbent and a preparation method thereof. The steel industry sewage hexavalent-chromium pollution composite resin adsorbent comprises the following components in parts by weight: 30-40 parts of modified resin, 10-15 parts of a pseudomonas mendocina CGMCC No.1.6424 biological membrane, 5-8 parts of polymeric phosphate-ferric chloride, 5-8 parts of sodium tripolyphosphate, 2-6 parts of sodium metaaluminate and 0.4-0.8 part of lauryl sodium sulfate. The physical and chemical index of the steel industry sewage hexavalent chromium pollution composite resin adsorbent can meet the standard of GB13456-2012, and the contents of COD, BOD, SS and hexavalent chromium ions can be effectively reduced, the treatment process is simple, the agent amount is small, the treatment effect is good, the performance is stable, the effluent quality is good, the cost of water treatment is effectively lowered, and very good economic benefits and social benefits can be achieved.

Description

technical field [0001] The invention relates to the technical field of a sewage treatment agent, in particular to a composite resin adsorbent for hexavalent chromium pollution in iron and steel industrial sewage and a preparation method thereof. Background technique [0002] Heavy metal content in iron and steel industry wastewater often exceeds the standard. At present, there are physical, chemical, and biological methods for treating hexavalent chromium pollution in iron and steel industry sewage, but most of the physical methods have problems of poor treatment effect and unstable treatment rate; the cost of biological methods is too high to be popularized and used; more Chemical methods are mostly used to treat sewage, but the existing sewage treatment agents have the problem of secondary pollution in their reagent components, which will also have a certain impact on the environment. Contents of the invention [0003] The object of the present invention is to provide a...

Claims

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Application Information

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IPC IPC(8): C02F3/34C12N1/20C12R1/38C02F101/22
CPCC02F3/34C02F2101/22C12N1/20
Inventor 王维娜
Owner 王维娜
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