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Elemental sulfur formation and nitrogen removal from wastewaters by autotrophic denitrifiers and anammox bacteria

  • Chunshuang Liu
  • , Dongfeng Zhao
  • , Laihong Yan
  • , Aijie Wang
  • , Yingying Gu
  • , Duu Jong Lee*
  • *Corresponding author for this work
  • China University of Petroleum (East China)
  • National Taiwan University
  • National Taiwan University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Elemental sulfur (S0) formation from and nitrogen removal on sulfide, nitrate and ammonium-laden wastewaters were achieved by denitrifying ammonium oxidation (DEAMOX) reactor with autotrophic denitrifiers and anaerobic ammonium oxidation (anammox) bacteria. The sulfide to nitrate ratio is a key process parameter for excess accumulation of S0 and a ratio of 1.31:1 is a proposed optimum. The Alishewanella, Thauera and Candidatus Anammoximicrobium present respectively the autotrophic denitrifiers and anammox bacteria for the reactor. DEAMOX is demonstrated promising biological process for treating organics-deficient (S+N) wastewaters with excess S0 production.

Original languageEnglish
Pages (from-to)332-336
Number of pages5
JournalBioresource Technology
Volume191
DOIs
StatePublished - 1 Sep 2015

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Anammox
  • Autotrophic denitrifier
  • Elemental sulfur
  • Sulfide

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