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Title:
CATALYST HAVING MONOLITHIC STRUCTURE FOR REDUCING EMISSION OF NOX IN FLUE GAS, PREPARATION METHOD THEREFOR, AND USE METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/125609
Kind Code:
A1
Abstract:
A catalyst having a monolithic structure for reducing emission of NOx in a flue gas of an incomplete regeneration catalytic cracking device, and a use method therefor. The catalyst comprises: a vector having a monolithic structure and an active component coating; the active component coating contains active metal components and a substrate; the active metal components comprise first, second, third, and fourth metal elements; the first metal element comprises Fe and Co, and counting as oxides, the weight ratio of Fe to Co is about 1:(0.05-20); the second metal element is selected from metal elements of Groups IA and/or IIA; the third metal element is selected from non-noble metal elements of Groups IB-VIIB; and the fourth metal element is selected from noble metal elements. The catalyst is high in catalytic conversion activity for a reduced nitride and simple in preparation method, is applied to a catalytic cracking process, and can effectively reduce emission of NOx in an incompletely regenerated flue gas.

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Inventors:
SONG HAITAO (CN)
JIANG QIUQIAO (CN)
TIAN HUIPING (CN)
LIN WEI (CN)
YAN JIASONG (CN)
WANG PENG (CN)
ZHANG JIUSHUN (CN)
DA ZHIJIAN (CN)
Application Number:
PCT/CN2019/125883
Publication Date:
June 25, 2020
Filing Date:
December 17, 2019
Export Citation:
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Assignee:
CHINA PETROLEUM & CHEM CORP (CN)
SINOPEC RES INST PETROLEUM (CN)
International Classes:
B01J23/89; B01J23/745; B01J23/75; B01J23/78; B01J27/22
Domestic Patent References:
WO2019007381A12019-01-10
Foreign References:
CN101024179A2007-08-29
CN101422736A2009-05-06
CN1986058A2007-06-27
CN106268793A2017-01-04
CN102371150A2012-03-14
US4755282A1988-07-05
CN102371150A2012-03-14
US5021144A1991-06-04
US4755282A1988-07-05
CN101024179A2007-08-29
Other References:
CUIDING YANG: "The Analytic Method of Petrochemicals (RIPP Experimental Method", 1990, SCIENCE PRESS
See also references of EP 3900828A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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