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- Title
NON-FERROUS HEAVY METAL METALLURGY WASTEWATER TREATMENT BY THE ELECTRO-FLOTO-COAGULATION METHOD.
- Authors
Mirica, Marius Constantin; Iorga, Mirela Ioana; Segneanu, Adina; Balcu, Ionel; Buzatu, Doru; Vaszilcsin, Cristian
- Abstract
Electroflotocoagulation is used for the treatment of liquid wastes of various origins, containing suspended matter. The metal hydroxide formed by electrochemical metallic ions generation acts to aggregate the colloidal impurities, and the hydrogen bubbles evolved at the cathode allow flotation of foam containing the impurities. The aggregates formed (containing the impurities) and lifted above the solution can then be removed. Electroflotocoagulation (simultaneous electrocoagulation and electroflotation) is studied as partially treatment method for non-ferrous heavy metals metallurgy wastewater (levigates). A pilot scale reactor for electroflotocoagulation is proposed. Different parameters are studied: pH variation during the process, anodic and cathodic current densities, cell voltage, energy consumption, hydrogen evolution etc.
- Subjects
WASTEWATER treatment; NONFERROUS metal metallurgy; COAGULATION in water purification; ELECTROCHEMICAL metallizing; FLOTATION
- Publication
Environmental Engineering & Management Journal (EEMJ), 2009, Vol 8, Issue 4, p889
- ISSN
1582-9596
- Publication type
Article
- DOI
10.30638/eemj.2009.127