Catalyst raw material for coal catalytic gasification and application method thereof

Abstract

The invention relates to a catalyst raw material for coal catalytic gasification and its application method. Reaction Quantitative Mixing Configuration. The effects of the present invention are as follows: 1. Coal gasification can be completed under low temperature conditions, and there are no strict requirements on the manufacturing materials of the equipment. It can be made of ordinary steel, which reduces the manufacturing cost of the equipment; 2. Improves the gasification reaction rate and increases the unit time. 3. Using carbon dioxide + oxygen as a gasification agent to catalyze the conversion of carbon dioxide into combustible gas carbon monoxide can save more than 35% of coal and reduce carbon dioxide emissions by more than 35% under the same thermal energy conditions; 4. Carbon dioxide + oxygen + water vapor can be used as the gasification agent to produce synthesis gas containing hydrogen and methane according to the requirements of the gas composition in the subsequent process, and carbon dioxide + oxygen can also be used to produce high-concentration carbon monoxide gas.

Description

technical field [0001] The invention belongs to the field of coal chemical industry, and in particular relates to a catalyst raw material for coal catalytic gasification and an application method thereof. Background technique [0002] The catalytic gasification of coal is carried out in the solid state of coal. The catalyst and coal powder are uniformly mixed together according to a certain proportion. Good contact and speed up the reaction rate, compared with the traditional coal gasification, the catalytic gasification of coal can significantly reduce the reaction temperature, increase the reaction rate, and improve the gas composition. The coal gasification catalysts currently researched and developed include: [0003] 1) Monomer metal salt or oxide catalyst: K 2 CO 3 It is the only coal catalytic gasification catalyst for industrial application at present, with K 2 CO 3 As a catalyst, the preparation method is simple and the stability is good, but K 2 CO 3 As a ca...

AI Technical Summary

Problems solved by technology

It mainly includes potassium-containing biomass ash, industrial waste lye, industrial waste solid alkali, pyrite slag, converter red mud, etc. The cost of disposable catalyst is low, but due to the large amount of consumption and large heat energy consumption, the ash is alkaline and easy to cause Secondary pollution

[0006] At present, the difficulty of coal catalytic technology lies in the development of high-efficiency catalysts for coal gasification, the price and recovery of catalysts, and the problems that the currently developed catalysts are prone to secondary pollution, which has always restricted the industrialization process of coal catalytic gasification.