Method for treatment of oil-containing waste water by using an o

Details Method for treatment of oil-containing waste water by using an o Method for treatment of oil-containing waste water by using an o

1976-07-26

1978-06-13

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 30A, 210 40, 210DIG26, C02B 902

Patent

active

040947769

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: 3732162 (1973-05-01), McCoy et al.
patent: 3770628 (1973-11-01), Yamamoto et al.
patent: 3892661 (1975-07-01), Siviour et al.

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