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- Title
Intensifying the Cleaning of Emulsion- and Oil-Bearing Waste Water from Rolled-Product Manufacturing by Electroflotation.
- Authors
Maksimov, E.; Ostsemin, A.
- Abstract
It is shown that it is possible to intensify the cleaning of emulsion- and oil-bearing waste water from rolling-mill operation. The water is given a secondary treatment in an electrical flotation unit that automatically controls current density and electrode spacing. Operating regimes for the unit are developed for the secondary cleaning of emulsion-bearing waste water from cold-rolling mills after primary cleaning in horizontal settling tanks with reagent FeCl, a small amount of HSO, and spent pickling solution. The optimum regime for use of the flotation unit for the secondary cleaning of oil-bearing waste water from hot-rolling mills is determined. A cleaning level of 94-95% is achieved for waste water in which the initial content of petroleum products is 100 mg/liter.
- Subjects
EMULSIONS; SEWAGE; FLOTATION; ROLLING-mills; IRON chlorides; MANAGEMENT
- Publication
Metallurgist, 2015, Vol 58, Issue 11/12, p945
- ISSN
0026-0894
- Publication type
Article
- DOI
10.1007/s11015-015-0022-8