C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/259
C10G 73/02 (2006.01) B01D 33/00 (2006.01)
Patent
CA 1132935
IMPROVED FILTRATION OF WAX IN A SOLVENT DEWAXING PROCESS (D#76, 456-F) ABSTRACT A solvent dewaxing process for separation of wax from a waxy petroleum fraction including filtration of wax crystals from a cold wax-oil-solvent mixture in a rotary drum vacuum filter wherein the filter cloth is backwashed with cold solvent for removing embedded wax and/or resins. -I-
329461
Harrison Charles W.
Pitman Herbert J.
Quasny Jerry E.
Schell Earl B. Jr.
Smart & Biggar
Texaco Development Corporation
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