Process oils and manufacturing process for such using aromatic e

Details Process oils and manufacturing process for such using aromatic e Process oils and manufacturing process for such using aromatic e

1997-07-18

1998-12-08

Myers, Helane

Mineral oils: processes and products

Refining

Sulfur removal

208303, 208264, 208301, 208311, 208 87, 208302, 208 45, 208 89, 208210, C10G 2300

Patent

active

058464050

ABSTRACT:
A method for producing a process oil is provided in which an aromatic extract oil is added to a napthenic rich feed. The combined feed is then hydrotreated in a first hydrotreating stage to convert at least a portion of sulfur and nitrogen in the feed to hydrogen sulfide and ammonia. After stripping the feed is subjected to a second hydrotreating stage to provide a process oil.

REFERENCES:
patent: 3732154 (1973-05-01), Mills
patent: 3925220 (1975-12-01), Mills
patent: 4521296 (1985-06-01), Kunihiro et al.

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