Invention Publication
- Patent Title: SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS
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Application No.: US18270208Application Date: 2021-12-29
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Publication No.: US20240123433A1Publication Date: 2024-04-18
- Inventor: Cong-Yan CHEN , Theodorus Ludovicus Michael MAESEN , Tracy Margaret DAVIS , Dan XIE
- Applicant: CHEVRON U.S.A. INC.
- Applicant Address: US CA San Ramon
- Assignee: CHEVRON U.S.A. INC.
- Current Assignee: CHEVRON U.S.A. INC.
- Current Assignee Address: US CA San Ramon
- International Application: PCT/IB2021/062433 2021.12.29
- Date entered country: 2023-06-29
- Main IPC: B01J29/068
- IPC: B01J29/068 ; B01J35/64 ; C10G47/18

Abstract:
Provided is a process for hydrocracking normal paraffins into lighter normal paraffins with minimal formation of iso-paraffins. The process comprises hydrocracking a hydrocarbon feedstock comprising normal paraffins under hydrocracking conditions. The reaction is run in the presence of a selected catalyst, e.g., an LTA-type zeolite, with a requisite topology and acid site density. The zeolite has a framework type with voids greater than 0.50 nm in diameter, which are accessible through apertures characterized by a longest diameter of less than 0.50 nm and a shortest diameter of more than 0.30 nm. The reaction conducted in the presence of such a selected zeolite produces an n-paraffin rich product.
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