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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.10.051
|2 doi
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|a pubmed24n1012.xml
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|a (DE-627)NLM303627247
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|a (NLM)31760195
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|a (PII)S0956-053X(19)30687-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a van Turnhout, André G
|e verfasserin
|4 aut
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|a Optimizing landfill aeration strategy with a 3-D multiphase model
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|c 2020
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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 30.12.2019
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|a Date Revised 30.12.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a In order to reduce the environmental and financial burden for future generations, approaches are needed to shorten aftercare of landfills. Aeration of the waste-body is a promising approach, however, the poor understanding of transport of gas and water through a waste-body makes it difficult to design an effective aeration strategy. The aim of this study is to develop a tool to determine the optimal aeration strategy for landfills. This study presents a comparison of aeration strategies based on the air distribution they generate with a 3-D multiphase model. The implemented theory is based on parameter values obtained from (laboratory) experiments performed under conditions which are similar to those in a full scale landfill. Calibration with field scale gas extraction data from the Dutch pilot site Wieringermeer shows that the model gives a good description of the average gas flow under extraction. Scenario analyses for the case study landfill indicate that injection strategies reach a larger volume fraction of waste with a higher air flow compared with extraction strategies, especially at the bottom of the landfill. Extraction, however, supplies oxygen more homogeneously through-out the waste. An import design criterion is also the distance between the wells. Too large distances lead to ineffective treatment because too large volumes of waste/leachate remain untreated. In addition to the comparison of aeration strategies, an optimal aeration strategy for the pilot site is presented. A combination of (alternating) injection and extraction wells which are maximum 20m apart seems to be the optimal strategy
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|a Journal Article
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|a 3-D multiphase model
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|a Aeration
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|a Design criteria
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| 650 |
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|a Field scale
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| 650 |
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|a Landfills
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| 650 |
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|a Waste treatment
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| 700 |
1 |
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|a Oonk, Hans
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Scharff, Heijo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Heimovaara, Timo J
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 102(2020) vom: 01. Feb., Seite 499-509
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:102
|g year:2020
|g day:01
|g month:02
|g pages:499-509
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| 856 |
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|u http://dx.doi.org/10.1016/j.wasman.2019.10.051
|3 Volltext
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|d 102
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