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Aerobic and Anaerobic Transformations of Sulfide in a Sewer System—Field Study and Model Simulations
The formation and fate of sulfide in a force main and a downstream‐located gravity sewer were investigated in an extensive field study. Sulfide formation in the force main was significant. However, during 14 minutes of transport in the gravity sewer, the sulfide concentration decreased 30%, on average. An application of a conceptual sewer process model for simulating the formation and fate of sulfide was demonstrated. Overall, the model predicted that approximately 90% of the decrease of the sulfide concentration in the gravity sewer was the result of sulfide oxidation and that only a small fraction entered the sewer atmosphere, causing odor and corrosion. Even so, the model predicted concrete corrosion rates of up to 1.2 mm/y in the gravity sewer section.
Aerobic and Anaerobic Transformations of Sulfide in a Sewer System—Field Study and Model Simulations
The formation and fate of sulfide in a force main and a downstream‐located gravity sewer were investigated in an extensive field study. Sulfide formation in the force main was significant. However, during 14 minutes of transport in the gravity sewer, the sulfide concentration decreased 30%, on average. An application of a conceptual sewer process model for simulating the formation and fate of sulfide was demonstrated. Overall, the model predicted that approximately 90% of the decrease of the sulfide concentration in the gravity sewer was the result of sulfide oxidation and that only a small fraction entered the sewer atmosphere, causing odor and corrosion. Even so, the model predicted concrete corrosion rates of up to 1.2 mm/y in the gravity sewer section.
Aerobic and Anaerobic Transformations of Sulfide in a Sewer System—Field Study and Model Simulations
Nielsen, Asbjørn Haaning (author) / Vollertsen, Jes (author) / Jensen, Henriette Stokbro (author) / Madsen, Heidi Ina (author) / Hvitved‐Jacobsen, Thorkild (author)
Water Environment Research ; 80 ; 16-25
2008-01-01
10 pages
Article (Journal)
Electronic Resource
English
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