文献类型：期刊文献

中文题名：硫转移催化剂研究(Ⅰ):组成、结构与吸硫活性关系

英文题名：Investigated on Sulfur-transfer Catalyst (Ⅰ) Composition, Structure and De-SO_x Activity of Magnesium-alumina Spinel

作者：王金安[1];李承烈[1]

机构：[1]华东理工大学石油加工研究所,上海200237

年份：1994

卷号：10

期号：7

起止页码：581

中文期刊名：物理化学学报

外文期刊名：Acta Physico-Chimica Sinica

收录：CSTPCD;;Scopus;北大核心:【北大核心1992】；CSCD:【CSCD2011_2012】；PubMed;

基金：金陵石化公司资助

语种：中文

中文关键词：硫;催化剂;铝镁尖晶石;催化裂化

外文关键词：Sulfur-transfer catalyst, Magnesium-alumina spinel, FCC

摘要：Mixed solld solutions magnesium-alumina spinel catalyst, MgAl2O4 ·xAl2O3·yMgO (0< x<9, 0< y <5), using to reduce the SOx emission from the fluid catalytic cracking units (FCCU), were prepared by coprecipitation method. It was found that a "volcano" type curve relation between the lattice parameter (a) and the composition of the spinel existed. The activity decreases as the value of x in the alumina excess spinel increases from 1 to 9, and increases as the value of y increases in the magnesium-rich spinel until up to 1, if y >1, the activity decreases which was due to MgO and spinel coekist in the catalyst. The results of reduction-oxidation (red-ox) cycle tests showed that introducing rare earth cerium to spinel could improve the de-SOx activity. Of all the catalysts, 0.1Ce/MgAl2O4· MgO is a promising catalyst which has the highest activity.30% propane as reducing gas is superior to 30% H2.
Mixed solld solutions magnesium-alumina spinel catalyst, MgAl2O4 ·xAl2O3·yMgO (0< x<9, 0< y <5), using to reduce the SOx emission from the fluid catalytic cracking units (FCCU), were prepared by coprecipitation method. It was found that a 'volcano' type curve relation between the lattice parameter (a) and the composition of the spinel existed. The activity decreases as the value of x in the alumina excess spinel increases from 1 to 9, and increases as the value of y increases in the magnesium-rich spinel until up to 1, if y >1, the activity decreases which was due to MgO and spinel coekist in the catalyst. The results of reduction-oxidation (red-ox) cycle tests showed that introducing rare earth cerium to spinel could improve the de-SOx activity. Of all the catalysts, 0.1Ce/MgAl2O4· MgO is a promising catalyst which has the highest activity.30% propane as reducing gas is superior to 30% H2.