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Description: W12-Proceedings
Treatment of Wastewater from Metals Recovery Process from Spent Catalysts
Abstract
A coagulant-flocculant system was studied to understand and optimize its effectiveness on the removal of metals and TSS from process wastewater in a metals recovery facility. The aqueous pH and coagulant-flocculant dosing were found to affect removal of 4 key metals in the wastewater stream: molybdenum (Mo), vanadium (V), nickel (Ni) and arsenic (As). It was found that low pH is more effective for Mo and V removal with use of flocculant only, while high pH is preferred for Ni and As removal using the prescribed coagulant-flocculant system. TSS was found to be favorably affected by use of an anionic flocculant.
A coagulant-flocculant system was studied to understand and optimize its effectiveness on the removal of metals and TSS from process wastewater in a metals recovery facility. The aqueous pH and coagulant-flocculant dosing were found to affect removal of 4 key metals in the wastewater stream: molybdenum (Mo), vanadium (V), nickel (Ni) and arsenic (As). It was found that low pH is more effective for...
Author(s)
Susan ZollersSomanth BasuLibia BergJim Wilson
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Sep, 2012
ISSN1938-6478
DOI10.2175/193864712811704008
Volume / Issue2012 / 7
Content sourceWEFTEC
Copyright2012
Word count111

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