Patent ID: 11965133
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC C

Claim 0:
1. A method of processing a hydrocarbon feed stream, the method comprising:
catalytically cracking a hydrocarbon feed stream in a counter-current reactor to produce a first effluent stream;
processing a portion or all of the first effluent stream by at least one or more separations to form at least:
a second effluent stream comprising at least 95 wt. % C4-C6 hydrocarbons;
a third effluent stream comprising at least 95 wt. % of ethane, propane, or a combination thereof; and
catalytically cracking a portion or all of the second effluent stream in a second reactor to form a second reactor effluent stream;
combining a portion of all of the second reactor effluent stream with the first effluent stream;
steam cracking a portion or all of the third effluent stream to form a steam cracked effluent stream; and
combining a portion or all of the steam cracked effluent stream with the first effluent.