Anaerobic treatment of vegetable tannery wastewaters: A review

  • Mannucci A
  • Munz G
  • Mori G
 et al. 
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Abstract

The anaerobic process is a very attractive solution for the treatment of highly loaded wastewaters, due to lowsludge production and energy consumption; nevertheless, its application to tannery wastewater showsseveral drawbacks due to the complexity of the chemical composition. The objective of this paper is tosummarize recent research efforts in the field of anaerobic treatment of tannery wastewaters.Primary attention is focused on the type of reactor geometry, the filling material and the operational regime.The parameters affecting the removal of the organic matter, the biogas production and the sulfate reductionwere also analyzed and compared. Particular attention is then made on how the presence of toxic substances,such as sulfide, affects the performance of the process, and how it affects the synergistic effects of thecombined anaerobic and aerobic processes. © 2010 Elsevier B.V.

Author-supplied keywords

  • Anaerobic process
  • Biological anaerobic filter
  • Biological sulfate reduction
  • Methane production
  • Sulfide inhibition
  • Tannery wastewater

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Authors

  • Alberto Mannucci

  • Giulio Munz

  • Gualtiero Mori

  • Claudio Lubello

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