Process to produce lube oil basestock by low severity hydrotreat

Details Process to produce lube oil basestock by low severity hydrotreat Process to produce lube oil basestock by low severity hydrotreat

1994-01-06

1995-03-14

McFarlane, Anthony

Mineral oils: processes and products

Refining

Purifying used oil

208142, 208143, 208144, C10M17500, C10G 4500

Patent

active

053974590

ABSTRACT:
Lubricating basestock oil suitable for use as such or as blending oil is obtained by the low severity hydrotreatment of industrial circulating oils of the type employed in low severity lubricating applications, and which have been mildly degraded and are no longer suitable for use for their intended purpose.

REFERENCES:
patent: 3919076 (1975-11-01), Cutler et al.
patent: 3980551 (1976-09-01), Wolk
patent: 4033859 (1977-07-01), Davidson et al.
patent: 4269695 (1981-05-01), Silk et al.
patent: 4431524 (1984-02-01), Norman
patent: 4512878 (1985-04-01), Reid et al.
patent: 4810365 (1989-03-01), Dohler et al.

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