Denitrifying sulfide removal process on high-salinity wastewaters in the presence of Halomonas sp
Author(s)
Liu, Chunshuang
Zhao, Dongfeng
Ma, Wenjuan
Guo, Yadong
Wang, Aijie
Wang, Qilin
Lee, Duu-Jong
Griffith University Author(s)
Year published
2016
Metadata
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Biological conversion of sulfide, acetate, and nitrate to, respectively, elemental sulfur (S0), carbon dioxide, and nitrogen-containing gas (such as N2) at NaCl concentration of 35–70 g/L was achieved in an expanded granular sludge bed (EGSB) reactor. A C/N ratio of 1:1 was noted to achieve high sulfide removal and S0 conversion rate at high salinity. The extracellular polymeric substance (EPS) quantities were increased with NaCl concentration, being 11.4-mg/g volatile-suspended solids at 70 mg/L NaCl. The denitrifying sulfide removal (DSR) consortium incorporated Thauera sp. and Halomonas sp. as the heterotrophs and Azoarcus ...
View more >Biological conversion of sulfide, acetate, and nitrate to, respectively, elemental sulfur (S0), carbon dioxide, and nitrogen-containing gas (such as N2) at NaCl concentration of 35–70 g/L was achieved in an expanded granular sludge bed (EGSB) reactor. A C/N ratio of 1:1 was noted to achieve high sulfide removal and S0 conversion rate at high salinity. The extracellular polymeric substance (EPS) quantities were increased with NaCl concentration, being 11.4-mg/g volatile-suspended solids at 70 mg/L NaCl. The denitrifying sulfide removal (DSR) consortium incorporated Thauera sp. and Halomonas sp. as the heterotrophs and Azoarcus sp. being the autotrophs at high salinity condition. Halomonas sp. correlates with the enhanced DSR performance at high salinity.
View less >
View more >Biological conversion of sulfide, acetate, and nitrate to, respectively, elemental sulfur (S0), carbon dioxide, and nitrogen-containing gas (such as N2) at NaCl concentration of 35–70 g/L was achieved in an expanded granular sludge bed (EGSB) reactor. A C/N ratio of 1:1 was noted to achieve high sulfide removal and S0 conversion rate at high salinity. The extracellular polymeric substance (EPS) quantities were increased with NaCl concentration, being 11.4-mg/g volatile-suspended solids at 70 mg/L NaCl. The denitrifying sulfide removal (DSR) consortium incorporated Thauera sp. and Halomonas sp. as the heterotrophs and Azoarcus sp. being the autotrophs at high salinity condition. Halomonas sp. correlates with the enhanced DSR performance at high salinity.
View less >
Journal Title
Applied Microbiology and Biotechnology
Volume
100
Issue
3
Subject
Environmental biotechnology not elsewhere classified