Method for inhibiting gum formation in liquid hydrocarbon medium

Details Method for inhibiting gum formation in liquid hydrocarbon medium Method for inhibiting gum formation in liquid hydrocarbon medium

1989-07-28

1990-07-17

Myers, Helane

Mineral oils: processes and products

Refining

Sulfur removal

208213, 208255, 208251H, 208 48AA, 585 2, 585648, 585649, 585650, 585950, 44 63, C10G 2920

Patent

active

049419684

ABSTRACT:
Gum and sediment formation in liquid hydrocarbon mediums are inhibited by adding to the medium an alkyl 1,2-dihydroquinoline compound, dimer, trimer or polymer thereof. The invention is particularly well-suited for use in hydrodesulfurizer processes wherein the hydrocarbon medium is typically a naphtha, diesel, kerosene, light gas and or residual fuel charge and the charge or medium is subjected to high temperature and pressure treatment in the presence of a catalyst.

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patent: 4124655 (1978-11-01), Koehnlein et al.
patent: 4144178 (1979-03-01), Katabe et al.
patent: 4158000 (1979-06-01), Nagasaki et al.

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