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Solid phase catalytic auxiliary and its preparation method and use

A technology of additives and catalysts, applied in chemical instruments and methods, physical/chemical process catalysts, organic compounds/hydrides/coordination complex catalysts, etc., to improve Fenton reaction efficiency, increase rate, and reduce operating costs Effect

Active Publication Date: 2009-08-26
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The co-catalyst was recycled and no obvious activity reduction was found

Method used

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  • Solid phase catalytic auxiliary and its preparation method and use
  • Solid phase catalytic auxiliary and its preparation method and use
  • Solid phase catalytic auxiliary and its preparation method and use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Take 10 g of strongly basic anion exchange resin (Amberlite IRA 900 type, Aldrich Reagent Company, USA) with styrene / divinylbenzene with a selected particle size of 1.0-1.5 mm as a copolymer, and pickle with hydrochloric acid. After alkali washing with sodium hydroxide, add it to the reaction vessel, stir, slowly add Alizarin Violet 3B aqueous solution (500mL, 76mmol) for loading, continue stirring for 20 hours after the addition is complete, and stop stirring. Rinse with water until there is no purple color in the solution, filter, and dry at 20°C for 40 hours to obtain the catalytic assistant.

Embodiment 2

[0055] Take 10g of strong basic anion exchange resin (Amberlite IRA 900 type of Aldrich Reagent Company, USA) with styrene / divinylbenzene having a selected particle size of 1.0-1.5mm as a copolymer, after acid washing and After alkali washing treatment, it was added to the reaction vessel, and under stirring, an aqueous solution of alizarin red (500 mL, 76 mmol) was slowly added for loading, and stirring was continued for 25 hours. Rinse with water until there is no red color in the solution, filter, and dry at 40°C for 45 hours at a low temperature to obtain a catalytic assistant.

Embodiment 3

[0057] Take 10 g of styrene / divinylbenzene with a selected particle size of 1.0-1.5 mm as a copolymer of strong basic anion exchange resin with quaternary ammonium groups (Amberlite IRA 900 type, Aldrich Reagent Company, USA) and wash with acid and alkali After the treatment, it was added to the reaction vessel, stirred, and the No. 2 orange solution was slowly added for loading (500 mL, 76 mmol), and stirred for 28 hours. Rinse with water until there is no color in the solution, filter, and dry at 60°C for 45 hours to obtain a catalyst promoter.

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Abstract

A solid-phase catalyst for removing the organic pollutant from sewage by fast degradating the toxic organic pollutants through Fenton reaction is composed of organic quinonel hydroquinone molecule and carrier. Its preparing process is also disclosed.

Description

technical field [0001] The invention belongs to the field of solid-phase catalytic aids, in particular to a solid-phase catalytic aid composed of a carrier and organic quinone / hydroquinone molecules with catalytic activity; and a preparation method of the solid-phase catalytic aid; the present invention It also involves the use of solid-phase catalytic assistants for Fenton reactions to greatly improve the treatment efficiency of organic pollutants and a novel reaction route for selective oxidation synthesis. Background technique [0002] The Fenton reaction is an advanced oxidation method commonly used in advanced treatment of wastewater to remove chemical oxygen demand (COD), color and organic pollutants, as well as in organic synthesis and related biological research. Its mechanism of action is to use ferrous ions as a catalyst for hydrogen peroxide to generate hydroxyl radicals (HO·), and HO· as active species to oxidize substrates. Hydroxyl radical has a high oxidation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/02C02F1/32C02F1/72
CPCY02W10/37
Inventor 赵进才马家海马万红陈春城
Owner INST OF CHEM CHINESE ACAD OF SCI