Working solution solvent system used for anthraquinone-process hydrogen peroxide production technology

An anthraquinone hydrogen peroxide, production process technology, applied in the direction of peroxide/peroxyhydrate/peroxyacid/superoxide/ozonide, inorganic chemistry, chemical instruments and methods, etc., can solve the problem of solvent production Difficulties, high market prices of solvents, etc., to achieve the effect of simple and easy-to-obtain raw materials, low market prices, and simple synthesis and preparation processes

Active Publication Date: 2014-10-08
北京凯迪森科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the special solvents that have been developed in the early stage abroad and are now widely used, or because of the difficulty in the production of these solvents, or because of the high market price of t

Method used

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  • Working solution solvent system used for anthraquinone-process hydrogen peroxide production technology

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A working fluid solvent system for anthraquinone hydrogen peroxide production process of the present invention is a five-component mixed solvent, including heavy aromatics (usually C 9 ~C 10 heavy aromatics, the same below), trioctyl phosphate, isooctyl acetate, cyclohexyl acetate and cyclohexyl propionate. The mass fraction of each component in the solvent system is: 20% to 65% of heavy aromatics, 10% to 30% of trioctyl phosphate, 15% to 35% of isooctyl acetate, and 5% to 5% of cyclohexyl acetate. 20%, and cyclohexyl propionate is 2% to 10%. Wherein, the optimized ratio is (mass percentage): heavy aromatic hydrocarbon: trioctyl phosphate: isooctyl acetate: cyclohexyl acetate: cyclohexyl propionate=50%: 18%: 20%: 8%: 4%.

[0026] The above-mentioned solvent system of the present embodiment is used as the hydrogen peroxide working fluid solvent system, and its effect is measured as follows:

[0027] Determination of hydrogenation efficiency:

[0028] (1) Prepare fiv...

Embodiment 2

[0053] A kind of working liquid solvent system for the production process of hydrogen peroxide by anthraquinone method of the present invention is a five-component mixed solvent with a total mass of 890 grams, wherein: 445 grams of heavy aromatics, accounting for 50% of the total mass; 160 grams of octyl esters, the mass fraction is 18%; 178 grams of isooctyl acetate, the mass fraction is 20%; 71 grams of cyclohexyl acetate, the mass fraction is 8%; 36 grams of cyclohexyl propionate, the mass fraction is 4% .

[0054] The solvent system of above-mentioned present embodiment is applied to the anthraquinone method hydrogen peroxide production process, comprises the following steps (here mainly lists the hydrogenation step to check the solvent effect):

[0055] (1) Dissolve 96.8 grams of 2-ethylanthraquinone and 79.2 grams of 2-ethyltetrahydroanthraquinone (the total effective anthraquinone is 176 grams) in the above-mentioned five-component solvent to form a newly prepared hydro...

Embodiment 3

[0062] A working liquid solvent system for the anthraquinone method hydrogen peroxide production process of the present invention is a new three-component mixed solvent, the total mass of the solvent is 890 grams, of which: 560 grams of heavy aromatics, accounting for 63% of the total mass; 205 grams of trioctyl phosphate, the mass fraction is 23%; 125 grams of isooctyl acetate, the mass fraction is 14%.

[0063] When the above-mentioned solvent system of this embodiment is applied to the hydrogen peroxide production process, except changing the five-component working fluid solvent system into a three-component working fluid solvent system, the input amount of the total effective anthraquinone and other various operating steps, All are identical with embodiment 2.

[0064] After testing, 96.8 grams of 2-ethylanthraquinone and 79.2 grams of 2-ethyltetrahydroanthraquinone (the total effective anthraquinone is 176 grams) were dissolved in the three-component solvent system of thi...

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Abstract

The invention discloses a working solution solvent system used for an anthraquinone-process hydrogen peroxide production technology. The working solution solvent system used for the anthraquinone-process hydrogen peroxide production technology comprises isooctyl acetate, heavy aromatics, trioctyl phosphate, cyclohexyl acetate and cyclohexyl propionate or comprises isooctyl acetate, heavy aromatics and trioctyl phosphate. The working solution solvent system used for the anthraquinone-process hydrogen peroxide production technology has the advantages that raw materials are simple and easily-available, production cost can be greatly reduced, hydrogen peroxide extraction distribution coefficient is high, anthraquinone solubility is high, hydrogenation efficiency is high, and therefore the working solution solvent system used for the anthraquinone process hydrogen peroxide production technology can be applied to large-scale industrial production.

Description

technical field [0001] The invention relates to a hydrogen peroxide working fluid solvent system, in particular to a working fluid solvent system used in an anthraquinone hydrogen peroxide production process. Background technique [0002] The basic core of the anthraquinone hydrogen peroxide production process has two elements: one is anthraquinone called "carrier", and the other is the working fluid solvent system. Among them, the basic function of the solvent in the working fluid is to dissolve anthraquinone, so that the hydrogenation reaction and oxidation reaction of anthraquinone can be carried out in the form of gas-liquid mass transfer; The hydrogen peroxide is extracted to obtain the finished product of hydrogen peroxide; the raffinate phase working solution obtained in the extraction process is purified and regenerated in the post-treatment process, and then recycled to the anthraquinone hydrogenation process. Visually, the working fluid solvent is equivalent to th...

Claims

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Application Information

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IPC IPC(8): C01B15/023
Inventor 杨华卿光宗刘光昌于星谢迎
Owner 北京凯迪森科技有限公司
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