Removal of phenols from water

Details Removal of phenols from water Removal of phenols from water

1984-11-23

1986-03-11

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568750, C07C 3772, C07C 3770

Patent

active

045755680

ABSTRACT:
In a process for purification of wastewater streams containing phenolic impurities wherein the wastewater stream is contacted with an ether extraction solvent for the extractive removal of the phenolic impurities, to form an ether extract phase containing at least a portion of the phenolic impurities and an aqueous raffinate phase depleted in the phenolic impurities, the improvement which comprises effecting the separation of the phases in the presence of a phase separation promoting amount of at least one polyhydric alcohol.

REFERENCES:
patent: 2790834 (1957-04-01), Morton et al.
patent: 2807654 (1957-09-01), Grimmett et al.
patent: 2863927 (1958-12-01), Parisse
patent: 3235607 (1966-02-01), Fritzsche et al.
patent: 3337642 (1967-08-01), Hoefs et al.
patent: 3392090 (1968-07-01), Parisse
patent: 4025423 (1977-05-01), Stonner et al.
patent: 4179365 (1979-12-01), Sumi
patent: 4503267 (1985-03-01), Pavin
H. J. Wurm, Preprint 23, Industrial Waste Conference, Purdue University, pp. 1054-1073 (1968).
M. R. Beychok, ACS Div. Fuel Chem. Prepr., vol. 19, No. 5, pp. 85-93, (1974).
R. G. Edmonds et al., Chemical Engineering Progress, vol. 50, No. 3, pp. 111-115, (Mar. 1954).
P. R. Kiezyk et al., The Canadian Journal of Chemical Engineering, vol. 49, pp. 747-752, (Dec. 1971); vol. 51, pp. 741-745 (Dec. 1973).
D. C. Greminger et al., Ind. Eng. Chem Process Des. Dev., vol. 21, pp. 51-54 (1982).
N. H. Kirchgessner, Sewage and Industrial Wastes, vol. 30, No. 2 (1958).

Affiliated with

Also associated with

Rating

Removal of phenols from water does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Removal of phenols from water, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Removal of phenols from water will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2192093