发明名称 |
METHOD FOR THE FLUIDIZED CATALYTIC CRACKING OF A HEAVY HYDROCARBON FEEDSTOCK |
摘要 |
Embodiments of the invention provide a method for the fluid catalytic cracking of a heavy hydrocarbon feedstock. According to at least one embodiment, the method includes supplying the heavy hydrocarbon feedstock to a reaction zone having a catalyst, such that both the heavy hydrocarbon feedstock and the catalyst are in contact in a down-flow mode, wherein said contact between the heavy hydrocarbon feedstock and the catalyst takes place in a fluidized catalytic cracking apparatus having a separation zone, a stripping zone, and a regeneration zone. The method further includes maintaining the reaction zone at a temperature of between 500 and 600° C., such that the hydrocarbon feedstock converts into a cracked hydrocarbon effluent comprising light olefins, gasoline, and diesel. The catalyst includes between 10 and 20% by weight of a phosphorous modified sub-micron ZSM-5, between 10 and 20% by weight of an ultra-stable Y-type zeolite, between 20 and 30% by weight of a pseudoboehmite alumina, and between 20 and 40% by weight of kaolin. The phosphorous modified sub-micron ZSM-5 has an average crystal size between 50 and 400 nm, inclusive, and a silica to alumina ratio of 1:2 to 1:4, inclusive. |
申请公布号 |
US2016152900(A1) |
申请公布日期 |
2016.06.02 |
申请号 |
US201615015448 |
申请日期 |
2016.02.04 |
申请人 |
Saudi Arabian Oil Company ;King Fahd University of Petroleum and Minerals |
发明人 |
Al-Ghrami Musaed Salem;Ercan Cemal;Al-Khattaf Sulaiman S.;Siddiqui Mohammed Abdul Bari;Aitani Abdullah M. |
分类号 |
C10G11/05 |
主分类号 |
C10G11/05 |
代理机构 |
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代理人 |
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主权项 |
1. A method for the fluid catalytic cracking of a heavy hydrocarbon feedstock, the method comprising:
supplying the heavy hydrocarbon feedstock to a reaction zone comprising a catalyst, such that both the heavy hydrocarbon feedstock and the catalyst are in contact in a down-flow mode, wherein said contact between the heavy hydrocarbon feedstock and the catalyst takes place in a fluidized catalytic cracking apparatus comprising a separation zone, a stripping zone, and a regeneration zone; and maintaining the reaction zone at a temperature of between 500 and 600° C., such that the hydrocarbon feedstock converts into a cracked hydrocarbon effluent comprising light olefins, gasoline, and diesel, wherein the catalyst comprises between 10 and 20% by weight of a phosphorous modified sub-micron ZSM-5, between 10 and 20% by weight of an ultra-stable Y-type zeolite, between 20 and 30% by weight of a pseudoboehmite alumina, and between 20 and 40% by weight of kaolin, and wherein the phosphorous modified sub-micron ZSM-5 has an average crystal size between 50 and 400 nm, inclusive, and a silica to alumina ratio of 1:2 to 1:4, inclusive. |
地址 |
Dhahran SA |