Attrition resistant catalysts and sorbents based on heavy metal poisoned FCC catalysts
Patent
·
OSTI ID:6454431
A heavy metal poisoned, spent FCC catalyst is treated by chemically impregnating the poisoned catalyst with a new catalytic metal or metal salt to provide an attrition resistant catalyst or sorbent for a different catalytic or absorption process, such as catalysts for Fischer-Tropsh Synthesis, and sorbents for removal of sulfur gases from fuel gases and flue-gases. The heavy metal contaminated FCC catalyst is directly used as a support for preparing catalysts having new catalytic properties and sorbents having new sorbent properties, without removing or passivating the heavy metals on the spent FCC catalyst as an intermediate step.
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-95MT95011
- Assignee:
- Research Triangle Inst., Research Triangle Park, NC (United States)
- Patent Number(s):
- A; US 5928980
- Application Number:
- PPN: US 8-795669
- OSTI ID:
- 6454431
- Country of Publication:
- United States
- Language:
- English
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