Combination of nitrate and sodium nitroprusside dosing for sulfide control with low carbon source loss in sewer biofilm reactors

G Zhang, Z Yang, Y Zhou, DZ Zhu, Y Zhang… - Journal of Hazardous …, 2022 - Elsevier
Nitrate has been widely used in sewer systems for sulfide control. However, significant
chemical consumption and the loss of carbon source were observed in previous studies. To …

Sulfide elimination by intermittent nitrate dosing in sewer sediments

Y Liu, C Wu, X Zhou, DZ Zhu, H Shi - Journal of Environmental Sciences, 2015 - Elsevier
The formation of hydrogen sulfide in biofilms and sediments in sewer systems can cause
severe pipe corrosions and health hazards, and requires expensive programs for its …

Experimental and modeling investigations on the unexpected hydrogen sulfide rebound in a sewer receiving nitrate addition: Mechanism and solution

Z Liang, D Wu, G Li, J Sun, F Jiang, Y Li - Journal of Environmental …, 2023 - Elsevier
Biogenic hydrogen sulfide is an odorous, toxic and corrosive gas released from sewage in
sewers. To control sulfide generation and emission, nitrate is extensively applied in sewer …

Indirect sulfur reduction via polysulfide contributes to serious odor problem in a sewer receiving nitrate dosage

S Liang, L Zhang, F Jiang - Water research, 2016 - Elsevier
Nitrate dosing is commonly used to control hydrogen sulfide production in sewer systems.
However, quick rebound of the sulfide concentration after nitrate depletion has been …

Nitrite effectively inhibits sulfide and methane production in a laboratory scale sewer reactor

J Mohanakrishnan, O Gutierrez, RL Meyer, Z Yuan - Water research, 2008 - Elsevier
The production and emission of hydrogen sulfide and methane by anaerobic microoganisms
in sewer systems is a well-documented problem. The effectiveness of nitrite in controlling …

Simultaneous use of nitrate and calcium peroxide to control sulfide and greenhouse gas emission in sewers

G Zhang, G Wang, Y Zhou, DZ Zhu, Y Zhang… - Science of The Total …, 2023 - Elsevier
The sewer system is a significant source of hydrogen sulfide (H 2 S) and greenhouse gases
which has attracted extensive interest from researchers. In this study, a novel combined …

Effects of nitrate dosing on sulfidogenic and methanogenic activities in sewer sediment

Y Liu, KR Sharma, BJ Ni, L Fan, S Murthy, GQ Tyson… - Water Research, 2015 - Elsevier
Nitrate dosing is widely used to control sulfide and methane formation in sewers. The impact
of nitrate on sulfide and methane production by sewer biofilms in rising mains has been …

Impact of nitrate addition on biofilm properties and activities in rising main sewers

J Mohanakrishnan, O Gutierrez, KR Sharma… - Water research, 2009 - Elsevier
Anaerobic sewer biofilm is a composite of many different microbial populations, including
sulfate reducing bacteria (SRB), methanogens and heterotrophic bacteria. Nitrate addition to …

Enhancing sulfide and methane control in sewers: Unveiling the impact and mechanisms of free nitrous acid pre-exposure coupled with calcium peroxide dosing

H Guo, S Dai, Y Li, H Wang, J Hou, Y He… - Chemical Engineering …, 2024 - Elsevier
Although biocides have proven highly efficient in controlling hazardous emissions and
mitigating organic carbon loss in sewers, the resistance of biofilm and extracellular …

Sulfur transformation in rising main sewers receiving nitrate dosage

G Jiang, KR Sharma, A Guisasola, J Keller, Z Yuan - Water Research, 2009 - Elsevier
The anoxic and anaerobic sulfur transformation pathways in a laboratory-scale sewer
receiving nitrate were investigated. Four reactors in series were employed to imitate a rising …