Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...
Patent
1982-10-25
1984-09-04
Konopka, P. E.
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Treating with a liquid or treating in a liquid phase,...
208254R, 208305, 208307, B01J 2034, C10G 2512, C10G 2500
Patent
active
044698054
ABSTRACT:
Spent filter clay used in the removal of contaminating organic polar-type compounds from petroleum distillates is regenerated by flushing the spent filter clay with liquid methanol and recovering and recycling the contaminated wash methanol without distillation through the filter for additional flushing of the contaminants from the clay.
REFERENCES:
patent: 1403198 (1922-01-01), Robinson
patent: 2673176 (1954-03-01), Whitney
patent: 3208157 (1965-09-01), Stark
patent: 3472786 (1969-10-01), Urban
patent: 3965036 (1976-06-01), Himmelstein
Kofke, Jr. William A.
Milson Ilia
Gulf Research & Development Company
Keith Deane E.
Konopka P. E.
Rose Donald L.
Stine Forrest D.
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