Treatment of feed for high severity visbreaking

Details Treatment of feed for high severity visbreaking Treatment of feed for high severity visbreaking

1986-12-18

1988-08-30

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 86, 208 87, 208 88, 208106, 208177, C10G 5504

Patent

active

047675217

ABSTRACT:
Prior to upgrading a viscous feed by visbreaking, at least a portion of the feed is treated to remove a heavy phase in specified amounts, whereby the severity of the visbreaking may be increased. The Shell Hot Filtration number of the visbreaking product is reduced by at least 75%, compared to visbreaking of untreated feed at some severity.

REFERENCES:
patent: 2133240 (1938-10-01), Atwell
patent: 2191972 (1940-02-01), Ocon
patent: 4379747 (1983-04-01), Yan
patent: 4389302 (1983-06-01), Garwin et al.
patent: 4428824 (1984-01-01), Choi et al.
patent: 4454023 (1984-06-01), Lutz
patent: 4514283 (1985-04-01), Closmann et al.
patent: 4544479 (1985-10-01), Yan

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