Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1974-09-03
1976-01-20
Spear, Jr., Frank A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210475R, 210705, B01D 1100
Patent
active
039336301
ABSTRACT:
A process for the treatment of waste waters from the preparation of phthalic esters of alcohols to reduce the BOD and recover alcohols comprising treating the waste water with a strong acid and then extracting the acidified waste water with an alcohol, preferably the same as the alcohol used to form the phthalic ester.
REFERENCES:
patent: 2644009 (1953-06-01), Cash et al.
patent: 3476796 (1966-11-01), Kubu et al.
Auroy Michel
Helgorsky Jacques
Rhone-Progil
Spear, Jr. Frank A.
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