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Catalyst for preparing sec-butyl alcohol and preparation method of catalyst

A technology of catalyst and sec-butanol, which is applied in the field of catalyst for preparing sec-butanol and its preparation, can solve the problems of cumbersome preparation method operation, low preparation efficiency, general sec-butanol yield and conversion rate, etc., and achieve simple operation process , fast reaction rate, good activity and stability

Inactive Publication Date: 2015-04-01
BEIJING ENZE FULAI TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation method of the invention is relatively cumbersome to operate, the preparation efficiency is low, and the yield and conversion rate of sec-butanol are average.

Method used

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  • Catalyst for preparing sec-butyl alcohol and preparation method of catalyst
  • Catalyst for preparing sec-butyl alcohol and preparation method of catalyst
  • Catalyst for preparing sec-butyl alcohol and preparation method of catalyst

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preparation example Construction

[0024] The present invention is used for the preparation method of the catalyst of sec-butanol, it may further comprise the steps:

[0025] S010, at least one selected from MgO, CaO or K2O in a required amount is mixed with Al2O3 powder;

[0026] S020, extruding the mixture of the above step S010 by powder extrusion molding, drying, and then roasting to obtain the carrier I required for the catalyst;

[0027] S030, using the impregnation method to impregnate the required amount of boric acid solution on the surface of the carrier I in the above step S020, after drying, and then calcining at a high temperature to obtain the modified carrier II of the catalyst;

[0028] S040, impregnating a required amount of Cu(NO)2 solution on the surface of the modified carrier II in the above step S030 by means of impregnation, drying, and then calcining at a high temperature to obtain the desired catalyst.

[0029] Wherein, in the process of preparing the carrier I in the above-mentioned s...

Embodiment 1

[0032] The catalyst for preparing sec-butanol in Example 1 of the present invention is made of the following raw materials in mass percentage: CuO20%, B2O310%, Al2O349%, MgO21%.

[0033] Embodiment 1 of the present invention is used to prepare the preparation method of the catalyst of sec-butanol, it comprises the following steps:

[0034] S110, mixing the required amount of MgO powder with Al2O3 powder;

[0035] S120, adopt the method of powder extrusion molding, and use 10% by mass of nitric acid as an adhesive to extrude the mixture of the above step S110, after drying, and then roasting at 540 ° C for 4 hours, and granulate to obtain MgO modification Al2O3 carrier;

[0036] S130, impregnating the required amount of boric acid solution at 50° C. on the surface of the Al2O3 carrier in the above step S120 in equal volume, after drying, and then calcining at 540° C. for 4 hours to obtain a B2O3 modified catalyst carrier;

[0037] S140, impregnating the required amount of Cu(...

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Abstract

The invention relates to a catalyst for preparing sec-butyl alcohol and a preparation method of the catalyst. The catalyst is prepared from the following raw materials by weight percent: 5.0 to 25.0 percent of CuO, 5.0 to 25.0 percent of B2O3, 40.0 to 70.0 percent of Al2O3 and 15.0 to 35.0 percent of at least one of MgO, CaO or K2O. The preparation method of the catalyst comprises the following steps: mixing the at least one of MgO, CaO or K2O with Al2O3 powder to obtain a mixture; extruding and molding the mixture, drying, roasting the mixture to obtain a needed carrier (I); immersing the surface of the carrier (I) by utilizing a boric acid solution, drying the carrier, and roasting the carrier at a high temperature to obtain a modified carrier (II) of the catalyst; and finally immersing the surface of the modified carrier (II) by utilizing a Cu(NO)2 solution, drying, and roasting the modified carrier at high temperature to obtain the needed catalyst. The catalyst is good in activity stability and capable of increasing the yield and conversion ratio of the sec-butyl alcohol; the preparation method of the catalyst is high in selectivity, relatively high in reaction rate, moderate in reaction condition and small in corrosion performance.

Description

technical field [0001] The invention relates to the field of petrochemical technology, in particular to a catalyst for preparing sec-butanol and a preparation method thereof. Background technique [0002] Sec-butanol is a colorless and transparent liquid with a strong aroma, which has a boiling point close to that of water and is miscible with ethanol. It has a wine-like smell. Second-butanol is the raw material for the industrial production of methyl ethyl ketone, spices, wetting agents, flotation agents, etc. Second-butanol can also be used as solvent, material dispersant, dehydration and paint remover, plasticizer, herbicide, extractant, nitro paint thinner, etc. Therefore, sec-butanol has high application value in industry. [0003] The traditional preparation methods of sec-butanol mainly include n-butene hydration method, including sulfuric acid indirect hydration method, resin catalyzed direct hydration method and heteropolyacid catalyzed direct hydration method. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/78C07C29/149C07C31/12C07C31/08
Inventor 姚志龙贾长斌孙培永毛进池周明张胜红
Owner BEIJING ENZE FULAI TECH
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