Avoiding the problems of septic sewage

doi:10.1016/s0273-1223(97)00773-7

Cited by 12 publications

(1 citation statement)

References 4 publications

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“…A number of operational strategies have been employed by the wastewater industry to minimise sulfide production in sewers. These range from simple strategies like mechanical cleaning to strategies that involve the addition of chemicals, such as nitrate, oxygen, metal salts (Fe 2 þ , Fe 3 þ , Zn 2 þ ), alkali, chlorine, ozone or hydrogen peroxide (Boon 1995;Boon et al 1998;Hobson & Yang 2000;Gutierrez et al 2008;Zhang et al 2008;Mohanakrishnan et al 2009). …”

Section: Introductionmentioning

confidence: 99%

Simultaneous online measurement of sulfide and nitrate in sewers for nitrate dosage optimisation

Gutiérrez

Sutherland-Stacey

Yuan

2010

Water Science and Technology

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A new method for the simultaneous online measurement of sulfide and nitrate in wastewater is developed. A UV-VIS spectrometer was used. The sensor was calibrated by means of simultaneous online and offline measurements of sulfide and nitrate in batch tests carried out on a laboratory-scale sewer system. The developed calibration algorithm was successfully validated for both sulfide and nitrate measurement, with confidence limits of 2.7 mg S/L for total dissolved sulfide, and 7.5 mg N/L for nitrate. The online measurement of sulfide and nitrate enabled detailed evaluation of seven nitrate dosing strategies in the laboratory-scale sewer system, providing strong support to process optimisation. The dosage optimisation revealed that nitrate should be added at a location close to the point of sulfide control rather than at the beginning of a rising main, at a rate proportional to the expected hydraulic retention time (HRT) of the wastewater in the sewer section between the point of nitrate addition and the point where sulfide control is desired.

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Section: Introductionmentioning

confidence: 99%

Simultaneous online measurement of sulfide and nitrate in sewers for nitrate dosage optimisation

Gutiérrez

Sutherland-Stacey

Yuan

2010

Water Science and Technology

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Sulfur-driven autotrophic denitrification: diversity, biochemistry, and engineering applications

Shao

Zhang

Fang

2010

Appl Microbiol Biotechnol

354

155

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Sulfur-driven autotrophic denitrification refers to the chemolithotrophic process coupling denitrification with the oxidation of reduced inorganic sulfur compounds. Ever since 1904, when Thiobacillus denitrificans was isolated, autotrophic denitrifiers and their uncultured close relatives have been continuously identified from highly diverse ecosystems including hydrothermal vents, deep sea redox transition zones, sediments, soils, inland soda lakes, etc. Currently, 14 valid described species within α-, β-, γ-, and ε-Proteobacteria have been identified as capable of autotrophic denitrification. Autotrophic denitrification is also widely applied in environmental engineering for the removal of sulfide and nitrate from different water environments. This review summarizes recent researches on autotrophic denitrification, highlighting its diversity, metabolic traits, and engineering applications.

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Abatement of sulfide generation in sewage by glutaraldehyde supplementation and the impact on the activated sludge accordingly

Zhang

Jin

et al. 2014

Front. Environ. Sci. Eng.

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Avoiding the problems of septic sewage

Cited by 12 publications

References 4 publications

Simultaneous online measurement of sulfide and nitrate in sewers for nitrate dosage optimisation

Simultaneous online measurement of sulfide and nitrate in sewers for nitrate dosage optimisation

Sulfur-driven autotrophic denitrification: diversity, biochemistry, and engineering applications

Abatement of sulfide generation in sewage by glutaraldehyde supplementation and the impact on the activated sludge accordingly

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