ADVANCED DE-SOX CATALYST - MIXED SOLID-SOLUTION SPINELS WITH CERIUM OXIDE

被引：55

作者：

YOO, JS ^{[1
]}

BHATTACHARYYA, AA ^{[1
]}

RADLOWSKI, CA ^{[1
]}

KARCH, JA ^{[1
]}

机构：

[1] UOP INC,DES PLAINES,IL 60017

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 1992年 / 1卷 / 03期

关键词：

DE-NOX; DE-SOX; EMISSION; IRON; SOX; SPINEL; VANADIUM;

D O I：

10.1016/0926-3373(92)80022-R

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Mixed solid solution spinels impregnated with cerium, Ce/MgO.MgAl2-xMxO4 (M=Fe, V, Cr, x less-than-or-equal-to 0.4), were studied for controlling the SOx emission from the fluid catalytic cracking (FCC) regenerator. An insufficient sulfur release problem inherent to the earlier De-SOx catalyst, Ce/MgO.MgAl2O4, was effectively overcome by incorporating a transition metal into the spinel structure. Studies of the SOx pickup, temperature profile for the sulfate reduction, the thermal analysis, and the De-SOx cycle test in the batch as well as the automated continuous reactor are discussed to define the role of a transition metal in the mixed spinels for the De-SOx performance. These advanced De-SOx catalysts have led to a commercial success for the simultaneous control of SOx and NOx emissions from the FCC regenerator.

引用

页码：169 / 189

页数：21