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U.S. Department of Energy
Office of Scientific and Technical Information

Floating recycle pan for ebullated bed reactors

Patent ·
OSTI ID:6778698
This patent describes an ebullated bed reactor. It comprises: a substantially enclosed vessel having a lower portion and an upper portion for processing oil; oil feed means connected to the vessel for feeding an oil feed comprising oil and hydrogen-rich gases into the lower portion of the vessel; fresh catalyst feed means connected to the vessel for feeding fresh hydrotreating catalyst into the vessel; ebullating pump means located in the lower portion of the vessel for circulating the oil feed in the vessel in the presence of the catalyst to hydrotreat the oil; a tubular downcomer extending generally upward above the pump means. The downcomer having an upper end and, a lower end in proximity to the pump means, and an inner surface and an outer surface; and a floating tubular recycle pan.
Assignee:
Amoco Corp., Chicago, IL
Patent Number(s):
US 4911893; A
Application Number:
PPN: US 7-212777A
OSTI ID:
6778698
Country of Publication:
United States
Language:
English