- Patent Title: Method for restoring activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process
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Application No.: US14684580Application Date: 2015-04-13
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Publication No.: US09988582B2Publication Date: 2018-06-05
- Inventor: Alexei Grigorievich Gabrielov , Ed Ganja , Salvatore Philip Torrisi
- Applicant: SHELL OIL COMPANY
- Applicant Address: US TX Houston
- Assignee: SHELL OIL COMPANY
- Current Assignee: SHELL OIL COMPANY
- Current Assignee Address: US TX Houston
- Agent Charles W. Stewart
- Main IPC: B01J23/94
- IPC: B01J23/94 ; B01J23/96 ; B01J27/28 ; B01J27/32 ; C10G45/04 ; B01J27/19 ; B01J37/02 ; B01J38/02 ; B01J38/50 ; B01J38/52 ; B01J38/62 ; B01J38/66 ; C10G49/02 ; B01J27/24
Abstract:
A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.
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