Method for decolorization of waste water

Details Method for decolorization of waste water Method for decolorization of waste water

1991-09-11

1993-01-19

Hruskoci, Peter

Liquid purification or separation

Processes

Ion exchange or selective sorption

210727, 210917, C02F 156

Patent

active

051804972

ABSTRACT:
A method for the decolorization of waste water containing coloring matters comprising dyestuff and/or pigment, in which PVA is added to a waste water containing coloring matters as above mentioned so as to catch the coloring matters in the waste water into the PVA, a precipitant of the coloring matters is added to the resultant waste water so as to render the coloring matters absorbed onto the PVA insoluble, a coagulant of PVA is added to the waste water so as to make the PVA insoluble, and then the thus insolubilized PVA containing the coloring matters is separated for the recovery thereof, and thus the decolorization of a waste water containing the coloring matters can be done skillfully and economically by eliminating the drawbacks in the conventional arts.

REFERENCES:
patent: 3170869 (1965-02-01), Imoto
patent: 3761406 (1973-09-01), Tsuk
patent: 5026485 (1991-06-01), Anderson

Affiliated with

Also associated with

Rating

Method for decolorization of waste 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 Method for decolorization of waste water, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for decolorization of waste water will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-100758