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Reduced pressure fluidized catalytic reaction system

A reaction system, fluidized catalysis technology, applied in the field of decompressed fluidized catalyzed reaction system, can solve the problems of literature process operation trouble, unfavorable scale production, long time consumption, etc., and achieve the goal of saving reaction time, easy operation, and accelerated momentum transfer Effect

Inactive Publication Date: 2003-03-12
CAPITAL NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The purpose of the present invention is to provide a kind of depressurization fluidized catalytic reaction system suitable for raw material synthesis (trans)-beta-farnesene with nerolidol, which can solve the troublesome, time-consuming and unfavorable scale production of the literature process The problem

Method used

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  • Reduced pressure fluidized catalytic reaction system

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Embodiment Construction

[0024] refer to figure 2 , feeding device 1 is a three-neck flask with electric heating film, fluidized bed reactor 2 is a fluidized bed reactor with electric heating film, product collection device 4 is a liquid receiving bottle, condensing device 6 is a condenser tube, and 8 is a decompression connection Liquid device, 24 is insulation jacket, and 7 is branch pipe, and 24 is sand board.

[0025] The decompression fluidized catalytic reaction system is composed of a feeding device belt 1, a fluidized bed reactor 2, a temperature control device 3, a product collection device 4, a decompression device 5 and a condensation device 6. Due to the temperature control device 3, temperature control instrument and decompression device 5 (such as vacuum pump) are conventional equipment, so figure 2 They are not represented in . figure 2 Shown in is the schematic diagram of the structural relationship of the main parts of the reaction system. The upper port of the feeding device 1 ...

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Abstract

A reduced pressure fluidizing catalytic reaction system for preparing (trans)-beta-farnesene from nerolidol is composed of a feeder, a fluidized-bed reactor, a temp controller, a product collector, a pressure reducing unit and a condenser. It has features of the continuous feed raw material and high reaction speed.

Description

technical field [0001] The invention relates to a device used in general methods of organic chemistry, in particular to a depressurized fluidized catalytic reaction system suitable for synthesizing (trans)-β-farnesene with nerolidol as a raw material under heating and depressurizing conditions. technical background [0002] The study of aphid alarm pheromones is a hot topic in the eradication of aphid pests and diseases. There are many types of aphids, but the main characteristic component of the alarm pheromone of most species of aphids is (trans)-β-farnesene. When aphids are frightened, they will secrete alarm pheromones from the abdominal tube, so that other aphids around them can perceive and escape quickly. The application of this type of pheromone in the field can control the population density of aphids within a certain threshold, and the insects and diseases have little impact on crops. The aphid alarm pheromone will become a new type, pollution-free and highly pot...

Claims

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Application Information

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IPC IPC(8): C07C5/42C07C11/02
Inventor 张钟宪
Owner CAPITAL NORMAL UNIVERSITY
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