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Biological sulfide prestripping for metal and COD removal
Journal article   Peer reviewed

Biological sulfide prestripping for metal and COD removal

Charles N. Haas and Chongchin Polprasert
Water environment research, v 65(5), pp 645-649
Jul 1993

Abstract

anaerobic digestion heavy metals precipitation sulfide
Organic wastes of high concentration and containing high concentrations of metals have generally been treated by a preliminary metal removal process (for example, precipitation) followed by biological treatment of the degradable component of the organic matter. It was the objective of this study to determine if a high strength waste containing metals could be treated by a precipitation‐anaerobic digestion process in which the precipitant was sulfide generated by the digestion step itself. To answer these questions, laboratory reactors were fed a synthetic medium (containing copper as the metal of interest and glucose and acetate as primary organic substrates) and operated in a semicontinuous draw and fill manner. Overall, the results of this study are encouraging and point to the potential feasibility of the process.

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18 citations in Scopus

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UN Sustainable Development Goals (SDGs)

This publication has contributed to the advancement of the following goals:

#12 Responsible Consumption & Production
#7 Affordable and Clean Energy
#6 Clean Water and Sanitation

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Engineering, Environmental
Environmental Sciences
Limnology
Water Resources
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