MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202517066830 A) filed by Saudi Arabian Oil Company, Dhahran, Saudi Arabia, on July 14, for 'integrated processes and systems for producing para-xylenes.'
Inventor(s) include Alamer, Mohammed I; Abdali, Ali S; Xu, Qi; and Kheyami, Mosab T.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "An integrated process for producing para-xylenes may include catalytically reforming a naphtha feed stream to form a reformate stream; separating the reformate stream into a C1-C7 hydrocarbon stream and a C8+ hydrocarbon stream; exposing the C1-C7 hydrocarbon stream to a first solvent in a solvent extraction unit to form a non-aromatic hydrocarbon stream and a C6-C7 aromatics stream; separating the C6-C7 aromatics stream into at least a toluene feed stream; separating the C8+ hydrocarbon stream into a C9+ hydrocarbon stream and a xylene stream; separating the xylene stream in a p-xylene separation unit to form the para-xylene stream and a xylene isomer stream; isomerizing the xylene isomer stream to produce a para-xylene rich stream; and upgrading the toluene feed stream and the C9+ hydrocarbon stream in a hybrid dealkylation/transalkylation unit with a hydrogen stream and a hybrid transalkylation/dealkylation catalyst to produce a product stream including para-xylenes."
The patent application was internationally filed on Dec. 08, 2023, under International application No.PCT/US2023/083158.
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