Sulphate reduction, mixed sulphide- and thiosulphate-driven Autotrophic denitrification, NItrification, and Anammox (SANIA) integrated process for sustainable wastewater treatment

Jiang, Chu-Kuan; Deng, Yang-Fan; Xu, Zou; Siriweera, Buddhima; Wu, Di; Chen, Guang-Hao

doi:10.1016/j.watres.2023.120824

Water Research

2023

DOI: 10.1016/j.watres.2023.120824

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Sulphate reduction, mixed sulphide- and thiosulphate-driven Autotrophic denitrification, NItrification, and Anammox (SANIA) integrated process for sustainable wastewater treatment

Chu-Kuan Jiang,

Yang-Fan Deng,

Zou Xu

et al.

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2024

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Cited by 2 publications

References 60 publications

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Nutrient removal performance and the nitrogen-sulfur conversion pathways in sulfur-iron based biofilter under acidic/alkaline conditions

Miao,

Zeng,

et al. 2024

Chemical Engineering Journal

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Nutrient removal performance and the nitrogen-sulfur conversion pathways in sulfur-iron based biofilter under acidic/alkaline conditions

Miao,

Zeng,

et al. 2024

Chemical Engineering Journal

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Autotrophic Sulfur-Driven Partial Denitrification as a Sustainable Nitrite Supply Pathway for Anammox: Insights on Enhanced Nitrogen Removal and Microbial Synergies

Du,

Wang,

Zhang

et al. 2024

ACS EST Water

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Anaerobic ammonia oxidation (Anammox) has garnered growing attention as an energy-efficient bioprocess. However, the sustainable provision of nitrite remains a crucial challenge. This study aimed to assess a promising alternative to existing partial nitrification-and heterotrophic partial denitrification (PDN)-based Anammox processes by substituting the nitrite supply with autotrophic sulfur-driven PDN. After 200 days, the desirable nitrogen removal efficiency of 96.1% was obtained in the S-PDN coupling Anammox process (S-PDN/A) with a highquality effluent total nitrogen of 3.1 mg N/L. Additional experiments identified S-PDN/A as a stepwise reaction with generated S 0 as an intermediate. Initially, S 2− was oxidized to S 0 [21.2 mg of S/(g of SS•h)], coupled with ultrafast denitrification [NO 3 − → N 2 , 3.9 mg of N/(g of SS•h)]. Subsequently, S 0 served as an electron donor for S-PDN (NO 3 − → NO 2 − ), efficiently facilitating Anammox as the dominant nitrogen removal pathway contributing up to 71.0% with a reaction rate of 1.7 mg N/(g SS• h). Distinct from reported prevalence of Candidatus brocadia in the Anammox technology for low-strength wastewater treatment, Candidatus kuenenia (0.12% → 3.4%) unexpectedly triumphed due to unique ecological niche provided by S-PDN. S-PDN/A offers fresh insights into Anammox application, enabling a potential reduction of up to 100% in organics demand, 43.0% savings in aeration energy consumption, and 69.9% decrease in biomass generation when compared to conventional bioprocesses.

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Sulphate reduction, mixed sulphide- and thiosulphate-driven Autotrophic denitrification, NItrification, and Anammox (SANIA) integrated process for sustainable wastewater treatment

Cited by 2 publications

References 60 publications

Nutrient removal performance and the nitrogen-sulfur conversion pathways in sulfur-iron based biofilter under acidic/alkaline conditions

Nutrient removal performance and the nitrogen-sulfur conversion pathways in sulfur-iron based biofilter under acidic/alkaline conditions

Autotrophic Sulfur-Driven Partial Denitrification as a Sustainable Nitrite Supply Pathway for Anammox: Insights on Enhanced Nitrogen Removal and Microbial Synergies

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