申请日期 | 2025-07-07 | 申请号 | KR1020227004443 |
公开(公告)号 | KR1020220034193A | 公开(公告)日 | 2022-03-17 |
公开国别 | KR | 申请人省市代码 | 全国 |
申请人 | CHINA PETROLEUM CHEM CORP; SINOPEC RES INST PETROLEUM | ||
简介 | Provided is a Y-type molecular sieve containing a rare earth element characterized by the existence of at least two mesoporous pore size distributions at 2-3 nm and 3-4 nm. Also provided is a catalytic cracking catalyst having an excellent heavy oil conversion ability, a high gasoline yield, and a low coke selectivity when used for heavy oil catalytic cracking. |
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