Method for making a process oil by using aromatic enrichment and

Details Method for making a process oil by using aromatic enrichment and Method for making a process oil by using aromatic enrichment and

1998-12-17

2000-02-15

Griffin, Walter D.

Mineral oils: processes and products

Refining

Sulfur removal

208 31, 208 33, 208 87, 208210, 208211, 208254H, 208303, 208311, C10G 7306, C10G 104, C10G 4500, C10G 1704

Patent

active

060248645

ABSTRACT:
A method for producing a process oil is provided in which an aromatic extract oil is added to a paraffinic rich feed to provide a blended feed. The blended 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: 2307130 (1943-01-01), Henry et al.
patent: 5840175 (1998-11-01), Aldous et al.
patent: 5846405 (1998-12-01), Aldous et al.
patent: 5853569 (1998-12-01), Aldous et al.

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