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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.03.026
|2 doi
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|a pubmed25n0900.xml
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|a (NLM)28342589
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|a (PII)S0956-053X(17)30174-5
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|a DE-627
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|e rakwb
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|a eng
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|a Iskander, Syeed Md
|e verfasserin
|4 aut
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|a Energy consumption by forward osmosis treatment of landfill leachate for water recovery
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 05.10.2017
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Ltd. All rights reserved.
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|a Forward osmosis (FO) is an alternative approach for treating landfill leachate with potential advantages of reducing leachate volume and recovering high quality water for direct discharge or reuse. However, energy consumption by FO treatment of leachate has not been examined before. Herein, the operational factors such as recirculation rates and draw concentrations were studied for their effects on the quantified energy consumption by an FO system treating actual leachate collected from two different landfills. It was found that the energy consumption increased with a higher recirculation rate and decreased with a higher draw concentration, and higher water recovery tended to reduce energy consumption. The highest energy consumption was 0.276±0.033kWhm-3 with the recirculation rate of 110mLmin-1 and 1-M draw concentration, while the lowest of 0.005±0.000kWhm-3 was obtained with 30mLmin-1 recirculation and 3-M draw concentration. The leachate with lower concentrations of the contaminants had a much lower requirement for energy, benefited from its higher water recovery. Osmotic backwashing appeared to be more effective for removing foulants, but precise understanding of membrane fouling and its controlling methods will need a long-term study. The results of this work have implied that FO treatment of leachate could be energy efficient, especially with the use of a suitable draw solute that can be regenerated in an energy efficient way and/or through combination with other treatment technologies that can reduce contaminant concentrations before FO treatment, which warrants further investigation
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|a Journal Article
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|a Energy consumption
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|a Forward osmosis
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|a Landfill leachate
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|a Recirculation
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|a Water recovery
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|a Waste Water
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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| 700 |
1 |
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|a Zou, Shiqiang
|e verfasserin
|4 aut
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|a Brazil, Brian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Novak, John T
|e verfasserin
|4 aut
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| 700 |
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|a He, Zhen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 63(2017) vom: 15. Mai, Seite 284-291
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:63
|g year:2017
|g day:15
|g month:05
|g pages:284-291
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|u http://dx.doi.org/10.1016/j.wasman.2017.03.026
|3 Volltext
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