A kind of industrial preparation method and application of solid acid catalyst

A solid acid catalyst, industrial technology, applied in the preparation of alcoholic beverages, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as poor performance of solid acid catalysts, low production safety, and complicated processes , to achieve the effects of reduced organic matter content, strong acidity and simple process

Active Publication Date: 2018-01-05
长沙绿湘环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some disadvantages in the existing industrial preparation methods of solid acid catalysts, such as the process is too complicated, the production safety is not high, the performance of the produced solid acid catalyst is not good, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of industrial preparation method of solid acid catalyst, it is characterized in that, it comprises the steps:

[0022] A. Immerse 5 kg of industrial silica gel particles in an aluminum chloride methanol solution with a mass fraction of 20% for 4 hours, and then place the impregnated silica gel particles in an oven for drying at a temperature of 300°C. The time is 4 hours;

[0023] B. preparation mass fraction is 40% dilute sulfuric acid solution containing zirconium, tungsten, molybdenum, vanadium (wherein zirconium, tungsten, molybdenum, vanadium mass ratio is 1:1:1:1), then will contain zirconium, tungsten, molybdenum 1. Mix the dilute sulfuric acid solution of vanadium with methanol at a volume ratio of 4:6, immerse the silica gel particles obtained in step A in the above-mentioned mixed solution, and after 8 hours of immersion, place it in a muffle furnace for roasting at a roasting temperature of 800°C. Roasting time is 3 hours;

[0024] C. put into the po...

Embodiment 2

[0042] A kind of industrial preparation method of solid acid catalyst, it is characterized in that, it comprises the steps:

[0043] A. Immerse 5 kg of industrial silica gel particles in an aluminum chloride methanol solution with a mass fraction of 15% for 5 hours, and then place the impregnated silica gel particles in an oven for drying at a temperature of 300°C. The time is 4 hours;

[0044] B. preparation mass fraction is 42% dilute sulfuric acid solution containing zirconium, tungsten, molybdenum, vanadium (wherein zirconium, tungsten, molybdenum, vanadium mass ratio is 1:1:1:1), then will contain zirconium, tungsten, molybdenum 1. Mix the dilute sulfuric acid solution of vanadium with methanol at a volume ratio of 4:6, immerse the silica gel particles obtained in step A in the above-mentioned mixed solution, and after 9 hours of immersion, place it in a muffle furnace for roasting at a roasting temperature of 900°C. Roasting time is 2 hours;

[0045] C. put into the po...

Embodiment 3

[0048] A kind of industrial preparation method of solid acid catalyst, it is characterized in that, it comprises the steps:

[0049] A. Immerse 5 kg of industrial silica gel particles in an aluminum chloride methanol solution with a mass fraction of 25% for 4 hours, and then place the impregnated silica gel particles in an oven for drying at 400°C. The time is 3 hours;

[0050]B. preparation mass fraction is 45% dilute sulfuric acid solution containing zirconium, tungsten, molybdenum, vanadium (wherein zirconium, tungsten, molybdenum, vanadium mass ratio is 1:1:1:1), then will contain zirconium, tungsten, molybdenum 1. Mix the dilute sulfuric acid solution of vanadium with methanol at a volume ratio of 4:6, immerse the silica gel particles obtained in step A in the above-mentioned mixed solution, and after 8 hours of immersion, place it in a muffle furnace for roasting at a roasting temperature of 800°C. Roasting time is 3 hours;

[0051] C. put into the porous box that 5 ki...

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Abstract

The invention discloses an industrial preparation method of a solid catalyst catalyst. The method comprises the following steps: using silica gel as a carrier to carry zirconium, tungsten, molybdenum, vanadium, platinum, palladium and other metals, and carrying out a sulfuration reaction to prepare the high-performance solid acid catalyst. The method is simple to operate and is safe, and the produced solid acid catalyst can be recovered and repeatedly used, and is environmentally-friendly. The invention also discloses applications of the solid acid catalyst prepared through the industrial preparation method as a wine catalyst and an air cleaning agent.

Description

technical field [0001] The invention relates to the technical field of chemical reagent synthesis, in particular to an industrial preparation method and application of a solid acid catalyst. Background technique [0002] Acids are an important class of catalysts, which can be used to catalyze esterification reactions, Friedel-Crafts reactions, and aldol condensation reactions. Most of the acid catalysts currently used in industry are liquid acid catalysts, such as sulfuric acid, phosphoric acid, nitric acid, hydrochloric acid, p-toluenesulfonic acid, etc. Because the reaction catalyzed by liquid acid is a homogeneous reaction, the catalytic activity is high, but the liquid acid catalyst has problems such as corrosion of equipment, difficulty in separating from the product, heavy pollution, difficulty in recycling, and harsh production environment. [0003] At present, the use of solid acid catalysts instead of liquid acids has been applied in many production fields. Becaus...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): B01J27/053C12H1/22B01D53/86B01D53/72
CPCB01D53/8668B01D2257/7027B01J27/053C12H1/22
Inventor龙建新
Owner长沙绿湘环保科技有限公司