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Reduced pressure fluidized catalytic reaction system

A technology of reaction system and fluidized catalysis, which is applied in the field of decompressed fluidized catalytic reaction system, can solve the problems of time-consuming, troublesome literature process operation, unfavorable scale production, etc., and achieve the goals of saving reaction time, easy operation and accelerating momentum transfer Effect

Inactive Publication Date: 2004-08-18
CAPITAL NORMAL UNIVERSITY
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  • Abstract
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  • Claims
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Problems solved by technology

[0015] The purpose of the present invention is to provide a kind of decompression 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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  • Reduced pressure fluidized catalytic reaction system

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Embodiment Construction

[0025] 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 23 is sand board.

[0026] refer to figure 1 and figure 2 , the decompression fluidized catalytic reaction system is made up of feeding device 1, fluidized bed reactor 2, temperature control device 3, product collection device 4, decompression device 5 and condensing device 6, due to 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 11 of the fe...

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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. Background technique [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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Patent Type & Authority Patents(China)
IPC IPC(8): C07C5/42C07C11/02
Inventor 张钟宪
Owner CAPITAL NORMAL UNIVERSITY
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