The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 2024
Filed:
Mar. 14, 2023
Saudi Arabian Oil Company, Dhahran, SA;
Qi Xu, Dhahran, SA;
Veera Venkata Ramakrishna Tammana, Dhahran, SA;
Mohammed I. Alamer, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
An integrated process for producing para-xylenes may include catalytically reforming a naphtha feed stream; separating the reformate stream into a C-Chydrocarbon stream and a Chydrocarbon stream; exposing the C-Chydrocarbon stream to a first solvent in a solvent extraction unit to form a non-aromatic hydrocarbon stream and an aromatics stream; upgrading the aromatics stream to form a toluene-rich transalkylation feed stream; separating the Chydrocarbon stream into a Chydrocarbon stream, a para-xylene stream and a xylene isomer stream; dealkylating the Chydrocarbon stream; separating the dealkylation product stream into an additional xylene stream and a tri-methyl benzene rich stream; and upgrading the toluene-rich transalkylation feed stream and the tri-methyl benzene rich stream with a hydrogen stream to produce an alkyl-benzene stream and additional xylene stream, wherein a ratio by weight of the toluene-rich transalkylation feed stream to the tri-methylbenzene rich stream is from 0.3 to 3.