Oil adsorbent and process for preparation thereof

Details Oil adsorbent and process for preparation thereof Oil adsorbent and process for preparation thereof

1978-02-15

1980-06-24

Levine, Herbert

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 39, 208 40, 210 40, C10C 302

Patent

active

042093821

ABSTRACT:
An effective and regenerable oil adsorbent is obtained from a pitch-like substance formed by heat-treating a heavy hydrocarbon oil to such an extent that the volatile matter content thereof is about 10% by weight to about 60% by weight, preferably about 30 to about 50% by weight. By using this oil adsorbent, oil-removing purification treatment of oil-contaminated water can be effectively achieved with economical advantages.

REFERENCES:
patent: 2850436 (1958-09-01), Beuther et al.
patent: 3318801 (1967-05-01), Alexander et al.
patent: 3878087 (1975-04-01), Kawai et al.
patent: 4032430 (1977-06-01), Lewis
patent: 4094776 (1978-06-01), Noguchi et al.

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