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240816s2024 xx |||||o 00| ||eng c |
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|a 10.1002/wer.11108
|2 doi
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|a pubmed24n1503.xml
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|a (DE-627)NLM376349336
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|a DE-627
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|c DE-627
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|a eng
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|a Stohr, Hannah
|e verfasserin
|4 aut
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|a Pretreatment for potable reuse
|b Enhancing the biological removal of 1,4-dioxane from landfill leachate through cometabolism with tetrahydrofuran
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.08.2024
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|a Date Revised 15.08.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2024 The Author(s). Water Environment Research published by Wiley Periodicals LLC on behalf of Water Environment Federation.
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|a 1,4-Dioxane is a probable human carcinogen and a persistent aquatic contaminant. Cometabolic biodegradation of 1,4-dioxane is a promising low-cost and effective treatment technology; however, further demonstration is needed for treating landfill leachate. This technology was tested in two full-scale moving bed biofilm reactors (MBBRs) treating raw landfill leachate with tetrahydrofuran selected as the cometabolite. The raw leachate contained on average 82 μg/L of 1,4-dioxane and before testing the MBBRs removed an average of 38% and 42% of 1,4-dioxane, respectively. First, tetrahydrofuran was added to MBBR 1, and 1,4-dioxane removal was improved to an average of 73%, with the control MBBR removing an average of 37% of 1,4-dioxane. During this period, an optimal dose of 2 mg/L of tetrahydrofuran was identified. Tetrahydrofuran was then fed to both MBBRs, where the 1,4-dioxane removal was on average 73% and 80%. Cometabolic treatment at the landfill significantly reduced the concentration of 1,4-dioxane received from the landfill at a downstream wastewater treatment and indirect potable reuse facility, reducing the load of 1,4-dioxane from 44% to 24% after the study. PRACTITIONER POINTS: Cometabolic degradation of leachate 1,4-dioxane with THF in MBBRs is a feasible treatment technology and a low-cost technique when retrofitting existing biological treatment facilities. The MBBRs can be operated at a range of temperatures, require no operational changes beyond THF addition, and operate best at a mass ratio of THF to 1,4-dioxane of 24. Source control of 1,4-dioxane significantly reduces the concentration of 1,4-dioxane in downstream wastewater treatment plants and potable reuse facilities
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|a Journal Article
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|a 1,4‐dioxane
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|a leachate
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|a moving bed biofilm reactor
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|a potable reuse
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|a tetrahydrofuran
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|a Dioxanes
|2 NLM
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|a 1,4-dioxane
|2 NLM
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| 650 |
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|a J8A3S10O7S
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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|a tetrahydrofuran
|2 NLM
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|a 3N8FZZ6PY4
|2 NLM
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|a Furans
|2 NLM
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| 700 |
1 |
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|a Menon, Rohan
|e verfasserin
|4 aut
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1 |
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|a Griffin, Micaela
|e verfasserin
|4 aut
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| 700 |
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|a Sabo, James
|e verfasserin
|4 aut
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|a Martin, Mike
|e verfasserin
|4 aut
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|a Brazil, Brian
|e verfasserin
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|a Bott, Charles
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 96(2024), 8 vom: 15. Aug., Seite e11108
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:96
|g year:2024
|g number:8
|g day:15
|g month:08
|g pages:e11108
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|u http://dx.doi.org/10.1002/wer.11108
|3 Volltext
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