Method and installation for the treatment of waste water to form useful water
Assignee"Swissair" Schweizerische Luftverkehr-AG
InventorHanspeter Roth
Life of this patent
Estimating the term…
Abstract
A method for the treatment of waste water to form useful water, comprising the steps of subjecting the waste water to a chemical flocculation treatment, floating the formed turbid portion of the waste water, and subjecting the clarified water to reverse osmosis filtration. The waste water treatment plant or installation for the performance of the aforesaid method comprises, in combination, apparatus for carrying out the chemical flocculation treatment, an electro flotation installation, and a reverse osmosis installation.
Claims5
A method for the treatment of industrial waste water for forming useful water, comprising the steps of:
- a. subjecting the waste water to a chemical flocculation treatment;
- b. floating the flocculate and turbid portions of the waste water which are formed during the flocculation treatment by electro-flotation;
- and
- c. subjecting the clarified water to filtration by reverse osmosis.
A water purification plant for the treatment of industrial waste water to form useful water, comprising, in combination:
- apparatus for subjecting the waste water to a chemical flocculation treatment, a flotation installation operatively connected with the flocculation-treatment apparatus including an electro-flotation cell for floating the flocculate and turbid portions of the waste water, and a reverse osmosis filtration installation operatively connected with the flotation installation.
Dependencies are inferred from the claim text.