Modeling Fate and Transport of Arsenic in a Chlorinated Distribution System
Experimental and modeling studies were conducted to understand the fate and transport properties of arsenic in drinking water distribution systems. Pilot scale experiments were performed in a distribution system simulator by injecting arsenic and measuring both adsorption onto iron pipe material and the oxidation of arsenite by hypochlorite in tap water to form arsenate. A mathematical model describing these processes was developed and simulated using EPANET-MSX, a hydraulic and multi-species water quality software for pipe networks. Model parameters were derived from the pilot-scale experiments. The model was applied to both the distribution system simulator and EPANET example network #3, a real-world model of a drinking water system serving approximately 78,000 customers. The model can be applied to systems-level studies of arsenic fate and transport in drinking water resulting from natural occurrences, accidental spills, or intentional introduction into water.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:93 |
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| Enthalten in: |
Environmental modelling & software : with environment data news - 93(2017) vom: 07. Juli, Seite 322-331 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Burkhardt, Jonathan B [VerfasserIn] |
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Date Revised 30.09.2020 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.envsoft.2017.03.016 |
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| 520 | |a Experimental and modeling studies were conducted to understand the fate and transport properties of arsenic in drinking water distribution systems. Pilot scale experiments were performed in a distribution system simulator by injecting arsenic and measuring both adsorption onto iron pipe material and the oxidation of arsenite by hypochlorite in tap water to form arsenate. A mathematical model describing these processes was developed and simulated using EPANET-MSX, a hydraulic and multi-species water quality software for pipe networks. Model parameters were derived from the pilot-scale experiments. The model was applied to both the distribution system simulator and EPANET example network #3, a real-world model of a drinking water system serving approximately 78,000 customers. The model can be applied to systems-level studies of arsenic fate and transport in drinking water resulting from natural occurrences, accidental spills, or intentional introduction into water | ||
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| 700 | 1 | |a Klosterman, Stephen |e verfasserin |4 aut | |
| 700 | 1 | |a Hall, John |e verfasserin |4 aut | |
| 700 | 1 | |a Murray, Regan |e verfasserin |4 aut | |
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