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Open AccessDissertation10.25439/rmt.27589617

Impact of drought and water conservation on H2S formation in sewer pipes

Chung‐Shin Yuan-2015-01-23-RMIT Research Repository (RMIT University Library)
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TL;DRAbstract

One of the main problems associated with the transportation of sewage in sewer pipes has been the formation of hydrogen sulphide (H2S). In addition to being an odour nuisance, H2S emissions exceeding 1 mg/L are categorised as a health risk and can enhance corrosion potential in concrete sewer pipes.<br><br>The main processes involving sulphur in gravity sewers are sulphide generation and emission of hydrogen sulphide into the sewer atmosphere. H2S is produced from sulphate present in sewage through reduction reactions by sulphate-reducing bacteria. As the average pH of sewage is normally around 7, sulphide usually exists in the form of HS- ions and aqueous H2S. When certain conditions apply, aqueous H2S crosses the air-water interface and diffuses into the sewer pipe atmosphere. Many researchers have examined the formation and emission of H2S and have developed models to predict the concentration of sulphide both in sewage and sewer pipe atmosphere. The formation and emission of H2S in

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One of the main problems associated with the transportation of sewage in sewer pipes has been the formation of hydrogen sulphide (H2S). In addition to being an odour nuisance, H2S emissions exceeding 1 mg/L are categorised as a health risk and can enhance corrosion potential in concrete sewer pipes.<br><br>The main processes involving sulphur in gravity sewers are sulphide generation and emission of hydrogen sulphide into the sewer atmosphere. H2S is produced from sulphate present in sewage through reduction reactions by sulphate-reducing bacteria. As the average pH of sewage is normally around 7, sulphide usually exists in the form of HS- ions and aqueous H2S. When certain conditions apply, aqueous H2S crosses the air-water interface and diffuses into the sewer pipe atmosphere. Many researchers have examined the formation and emission of H2S and have developed models to predict the concentration of sulphide both in sewage and sewer pipe atmosphere. The formation and emission of H2S in

Keywords

Hydrogen sulphideSewageSanitary sewerEnvironmental scienceEnvironmental engineeringNuisanceWaste managementWater resource management

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