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CATALYST CATALYTIC CRACKING, CONTAINING RARE-EARTH ELEMENTS - CONTAINING ZEOLITE, AND METHOD OF IT 发明申请

2023-04-03 2320 249K 0

专利信息

申请日期 2025-07-12 申请号 RU2015113601
公开(公告)号 RU2015113601A 公开(公告)日 2016-11-10
公开国别 RU 申请人省市代码 全国
申请人 ЧАЙНА ПЕТРОЛЕУМ ЭНД КЕМИКАЛ КОРПОРЕЙШН
简介 The present invention relates to a catalytic cracking catalyst and a preparation process thereof, the catalytic cracking catalyst has a cracking active component, an optional mesoporous aluminosilicate material, a clay and a binder, wherein said cracking active component comprises, substantially consists of or consists of : a rare earth-containing Y zeolite, an optional other Y zeolite, and an optional MFI-structured zeolite, said rare earth-containing Y zeolite has a rare earth content as rare earth oxide of 10-25wt%, e.g. 11-23wt%; a unit cell size of 2.440-2.472nm, e.g. 2.450-2.470nm; a crystallinity of 35-65%, e.g. 40-60%; a Si/Al atom ratio in the skeleton of 2.5-5.0; and a product of the ratio of the strength I 1 of the peak at 2¸=11.8±0.1° to the strength I 2 of the peak at 2¸=12.3±0.1° in the X-ray diffraction spectrogram of the zeolite and the weight percent of rare earth as rare earth oxide in the zeolite of higher than 48, e.g. higher than 55.


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