METHOD FOR PREPARING CATALYST USED FOR PREPARING CHLORINE, CATALYST AND METHOD FOR PREPARING CHLORINE

METHOD FOR PREPARING CATALYST USED FOR PREPARING CHLORINE, CATALYST AND METHOD FOR PREPARING CHLORINE

The present invention relates to a method for preparing catalyst used for preparing chlorine by oxidizing hydrogen chloride. The method is mixing a slurry mainly containing boron and chromium with a slurry mainly containing copper, boron, alkali-metal elements, rare-earth elements, aluminum sol, sil...

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Hauptverfasser: ZHANG, Hongke, LOU, Yinchuan, YI, Guangquan, LV, Yang, SHAO, Liangfeng, HUA, Weiqi, DING, Jiansheng
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Sprache:eng ; fre ; ger
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator ZHANG, Hongke
LOU, Yinchuan
YI, Guangquan
LV, Yang
SHAO, Liangfeng
HUA, Weiqi
DING, Jiansheng
description The present invention relates to a method for preparing catalyst used for preparing chlorine by oxidizing hydrogen chloride. The method is mixing a slurry mainly containing boron and chromium with a slurry mainly containing copper, boron, alkali-metal elements, rare-earth elements, aluminum sol, silica sol, carrier and optionally other metal elements, the mixing temperature being not more than 100°C, and the residence time being not more than 120 minutes, the mixed slurry is successively treated with spray drying, high temperature calcination, so that the catalyst is obtained. The present invention also relates to the catalyst prepared through the method, use of the catalyst used in the process of preparing chlorine by oxidizing hydrogen chloride and a method for preparing chlorine by using the catalyst. The catalyst is used for preparing chlorine by oxidizing hydrogen chloride with oxygen or air in fluidized bed reactor, and has an excellent activity and anti-caking property, a relatively good mechanical strength and a relatively long service life.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title METHOD FOR PREPARING CATALYST USED FOR PREPARING CHLORINE, CATALYST AND METHOD FOR PREPARING CHLORINE
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