多级孔择形分子筛催化裂解催化剂的工业应用

COMMERCIAL APPLICATION OF MULTI-STAGE POROUS MOLECULAR SIEVE CATALYST FOR CATALYTIC CRACKING

中海油东方石化有限责任公司催化裂解装置由于原料偏重、生焦增加使加工负荷较低,限制了运行经济性。基于此情况,该公司决定投入使用由中石化石油化工科学研究院有限公司基于低生焦技术平台研发的新一代高丙烯、乙烯收率的多级孔择形分子筛催化裂解催化剂OMT-Ⅱ(R)。工业应用结果表明,当OMT-Ⅱ(R)催化剂占系统藏量的质量比例达到85%以上后,可使乙烯、丙烯和液化气的收率分别提高0.44,1.99,5.02百分点,使生焦率降低0.18百分点,同时汽油、柴油和油浆收率均显著降低,实现了显著提高重油裂化能力、降低生焦率的预定目标,成功提高装置的综合效益。

Due to heavy feedstock and increased coke production,the operation of the catalytic cracking unit of CNOOC Dongfang Petrochemical Co.,Ltd.was limited.Based on this situation,the company has decided to use OMT-Ⅱ(R),a new generation of multistage porous molecular sieve DCC catalyst with high propylene and ethylene yield,developed by SINOPEC Research Institute of Petroleum Processing Co.,Ltd.based on low coke technology platform.The results of commercial application showed that the yields of ethylene,propylene and LPG could be increased 0.44,1.99 and 5.02 percentage points respectively when the catalyst OMT-Ⅱ(R)occupied more than 85%of the mass of the system,and the yield of coke was decrease by 0.18 percentage point.At the same time,the yields of gasoline,diesel and oil slurry were decreased significantly.It has achieved the target of significantly improving the cracking ability of heavy oil,reducing the coke yield,and successfully improving the comprehensive benefit of the DCC unit.