Novel method for refining electrical insulating oil

Details Novel method for refining electrical insulating oil Novel method for refining electrical insulating oil

1988-03-09

1989-01-31

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

252567, 208 14, 585320, H01G 422, C10L 110, H01B 322, C07C 1512

Patent

active

048020583

ABSTRACT:
The present invention relates to a method for refining an electrical insulating oil by refining a heavy by-product oil obtained in the preparation of ethylbenzene or ethyltoluene. The method comprises distilling off the lighter components from the by-product oil, then dehydrogenating, distilling and hydrogenating.

REFERENCES:
patent: 4108788 (1978-08-01), Schulz et al.
patent: 4115464 (1978-09-01), Bartek et al.
patent: 4365103 (1982-12-01), Chang et al.
patent: 4591948 (1986-05-01), Sato et al.
patent: 4681980 (1987-07-01), Sato et al.
patent: 4755275 (1988-07-01), Sato et al.

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