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Superposition type catalysis-separation membrane reactor

A separation membrane and reactor technology, applied in the field of stacked catalytic-separation membrane reactor, can solve problems such as complex structure

Inactive Publication Date: 2019-01-25
CHANGCHUN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the research is to couple membrane catalysis and separation process instead of integrating it in one operation unit, which still faces the disadvantages of complex structure and so on.

Method used

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  • Superposition type catalysis-separation membrane reactor
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  • Superposition type catalysis-separation membrane reactor

Examples

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Effect test

Embodiment 1

[0016] The sulfonated PVA catalytic-pervaporation membrane is used as an application example to catalyze the reaction of acetic acid and ethanol to form ethyl acetate in a stacked catalytic-separation membrane reactor.

[0017] Reactor assembly with 1 module 2 and 2 modules 3. Snap the protruding parts of the two components 3 into the grooves at both ends of the component 1 respectively. During the assembly process, the porous PP support layer, the sulfonated PVA catalytic-pervaporation membrane, and the polytetrafluoroethylene gasket are sequentially placed between the components. Finally, secure with bolts. See attached figure 2

[0018] The molar ratio of ethanol to acetic acid is 3:1, the volume of feed liquid is about 120mL, and the membrane area is 6.28cm 2 , Ethyl acetate was synthesized in a stacked catalytic-separation membrane reactor at 70°C. When the reaction reached equilibrium, the conversion rate of acetic acid could reach 93.12%.

Embodiment 2

[0020] The sulfonated PVA catalytic-pervaporation membrane is used as an application example to catalyze the reaction of acetic acid and ethanol to form ethyl acetate in a stacked catalytic-separation membrane reactor. By increasing the number of stacked components, the membrane area can be increased, which in turn can increase the processing capacity of feed liquid.

[0021] Reactor assembly with 2 modules 1, 1 module 2 and 2 modules 3. Snap the protruding part of component 3 into the groove at one end of component 1, snap the protruding part of component 2 into the groove at the other end of component 1, and snap the protruding part of component 2 into another component 1 part of the groove, and finally put into component 3. During the assembly process, the porous PP support layer, the sulfonated PVA catalytic-pervaporation membrane, and the polytetrafluoroethylene gasket are sequentially placed between the components. Finally, secure with bolts. See attached image 3 . ...

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Abstract

The invention discloses a superposition type catalysis-separation membrane reactor. Simultaneous implementation of a raw material catalysis process and a product separation process in a membrane reactor is realized. The reactor is formed by three different basic components. The components can be flexibly disassembled according to the needs, and a use area of a catalysis-separation membrane can beregulated by superposing the components. A porous PP supporting plate, the catalysis-separation membrane and a polytetrafluoroethylene sealing gasket are sequentially placed between adjacent components, so that the service life of the membrane is prolonged, and the component sealing performance of the membrane is improved. The superposition type catalysis-separation membrane reactor provided by the invention is simple in structure, energy consumption is less, and the investment cost is reduced.

Description

technical field [0001] The invention relates to a stacked catalytic-separation membrane reactor, in particular to a catalytic-separation process for the synthesis of ester compounds. Background technique [0002] The traditional catalytic reaction is to add the catalyst into the feed liquid, which is limited by the thermodynamic balance, which makes the reaction time longer, and the conversion rate of raw materials and product yield are lower. Moreover, the post-processing procedure is complicated, and product separation will increase investment costs. Therefore, improving the reaction conversion rate, simplifying the procedure, and reducing investment are the directions of optimizing production in industry. Integrating the catalytic process with the separation process has gradually become an emerging trend. [0003] Most of the current research is to couple membrane catalysis and separation process instead of integrating it in an operation unit, which still faces shortcom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/24B01J19/00
CPCB01J19/0053B01J19/2445B01J19/2475
Inventor 孙德岳东敏李冰冰于晶彤姜寅初
Owner CHANGCHUN UNIV OF TECH