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Heavy metal uptake during anaerobic digestion of combined electroplating and brewery wastewaters

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Abstract

Batch and continuous culture laboratory-scale experiments were conducted to quantify the effect of combining chrome and nickel electroplating effluent (EE) and brewery effluent as substrate for established anaerobic digester granules. EE at a 1:12 ratio in brewery effluent was inhibitory to anaerobic digestion but acclimation at a 1:24 ratio occurred during continuous culture experiments. At least 90% of the chromium and nickel was absorbed by the granules with nickel attaching to granule perimeters while chromium penetrated into deeper recesses. © Rapid Science Ltd. 1998

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Authors and Affiliations

  1. Department of Microbiology and Plant Pathology, University of Natal, Private Bag X01, Scottsville Pietermaritzburg, South-Africa

    Stewart C. Green, Alan R. Howgrave-Graham & Solly Mlondobozi

Authors
  1. Stewart C. Green
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  2. Alan R. Howgrave-Graham
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  3. Solly Mlondobozi
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Green, S.C., Howgrave-Graham, A.R. & Mlondobozi, S. Heavy metal uptake during anaerobic digestion of combined electroplating and brewery wastewaters. Biotechnology Letters 20, 1081–1084 (1998). https://doi.org/10.1023/A:1005453414940

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  • DOI: https://doi.org/10.1023/A:1005453414940

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