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A kind of catalyst and application thereof for decomposing hydrogen peroxide

A hydrogen peroxide and catalyst technology, which is applied in the field of hydrogen peroxide decomposition catalysts, can solve the problems that there are no public reports on the direct decomposition of hydrogen peroxide, and achieve the effect of eliminating potential hazards and improving safety

Active Publication Date: 2019-03-08
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In summary, there have been no published reports on the direct decomposition of hydrogen peroxide in epoxidation reaction products comprising alkenes, alkylene oxides, reaction solvents, water, and epoxidation reaction by-products

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0016] The preparation method of the hydrogen peroxide decomposition catalyst comprises: 1) fully kneading the IIIA group metal oxide or hydroxide, acidic aluminum sol, organic extrusion aid, organic porogen and ointment into a wet plastic body, and then Extruding into wet strips; 2) drying and roasting the wet strips to obtain the catalyst carrier; 3) impregnating the catalyst carrier with the VIIB group metal salt solution, the VIII group metal salt solution and the rare earth metal salt solution, After drying and roasting, the catalyst is obtained.

[0017] According to the method of the present invention, wherein, in the step 1) of the preparation method of the catalyst, the group IIIA metal oxide or hydroxide, acidic aluminum sol, organic extrusion aid, organic porogen and pasting agent The mass ratio of the amount used is 100:(50-200):(1-100):(1-25):(1-60). The metal oxide of group IIIA is aluminum oxide, and the metal hydroxide is aluminum hydroxide.

[0018] In step ...

Embodiment 1

[0037] 300.00 grams of aluminum hydroxide powder (68.2% aluminum oxide content, produced by Shandong Zibo Taiguang Chemical Co., Ltd.), 75.00 grams of starch (analytical reagent), 15.00 grams of Sesame powder (produced by Henan Lankao Vegetable Gum Factory), 415.0 grams of oxidation Aluminum content is 22.4% aluminum sol (produced by Hunan Jianchang Petrochemical Co., Ltd.), 25.00 grams of octylphenol polyoxyethylene (15) ether (OP-15, produced by Hebei Xingtai Kewang Chemical Auxiliary Co., Ltd.) and 60.00 Gram nitric acid content is that the dilute nitric acid of 3.0 mass % is fully kneaded in the multifunctional catalyst molding machine (South China University of Technology Industrial General Factory production) and obtains the wet plastomer, then extrusion molding is the solid cylindrical strip of φ 1.2mm, at 20 After drying at -25°C for 24 hours, put it into a box-type resistance furnace, heat it from 20°C at a rate of 3°C / min to 120°C and stay there for 3 hours, then heat...

Embodiment 2

[0039] With 317.80 grams of aluminum hydroxide powder (74.2% of aluminum oxide content, produced by Taiguang Chemical Co., Ltd., Zibo, Shandong), 7.50 grams of Sesame powder (produced by Henan Lankao Vegetable Glue Factory), 334.82 grams of aluminum oxide content is 22.4% aluminum sol ( Hunan Jianchang Petrochemical Co., Ltd.), 15.00 grams of octylphenol polyoxyethylene (15) ether (OP-15, produced by Hebei Xingtai Kewang Chemical Auxiliary Co., Ltd.) and 75.00 grams of deionized water in the multifunctional catalyst molding Machine (produced by South China University of Science and Technology Industrial Factory) to fully knead the wet plastic body, and then extruded into a solid cylindrical strip of φ1.2mm, dried at 15°C for 18 hours and then placed in a box-type resistance furnace. Heating from 20°C to 120°C at a heating rate of 5°C / min and staying for 5 hours, then heating to 550°C at a heating rate of 3°C / min and staying for 15 hours, and obtaining cylindrical catalyst carri...

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Abstract

The invention provides a catalyst for decomposing hydrogen peroxide. The catalyst for decomposing hydrogen peroxide is characterized by being prepared from, by mass, 1%-20% of VII B-group metal oxide, 1%-20% of VIII-group metal oxide, 0.1%-10% of rare earth metal oxide and 50%-97.9% of III A-group metal oxide. According to a method for decomposing hydrogen peroxide by adopting the catalyst, most residual hydrogen peroxide in a product of an epoxidation reaction of 3-chloropropene and hydrogen peroxide can be decomposed before distillation separation, potential hazards of the high hydrogen peroxide content in the product of the epoxidation reaction to the follow-up distillation separation process are effectively eliminated, and therefore the safety of producing epoxy chloropropane through the epoxidation reaction of 3-chloropropene and hydrogen peroxide is improved.

Description

technical field [0001] The present invention relates to a kind of catalyst and its application for decomposing hydrogen peroxide, relate more specifically to a kind of hydrogen peroxide decomposition catalyst and the catalyst for hydrogen peroxide in the epoxidation reaction product of 3-chloropropene and hydrogen peroxide decomposition application. Background technique [0002] Hydrogen peroxide is a green oxidizing agent, as disclosed in USP4,833,260, in the presence of titanium-silicon molecular sieve catalyst and solvent methanol, through the epoxidation reaction of 3-chloropropene and hydrogen peroxide, the ring can be efficiently and cleanly synthesized Oxychloropropane. Epichlorohydrin is an important basic organic chemical raw material and intermediate, widely used in the synthesis of various industrial products such as epoxy resin, chlorohydrin rubber, pharmaceuticals, pesticides, surfactants and plasticizers. [0003] CN101747296A and CN101747297A further disclos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/889C07D301/12C07D301/32C01B13/02C01B5/00
Inventor 刘易张永强杜泽学
Owner CHINA PETROLEUM & CHEM CORP
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