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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2009.11.022
|2 doi
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|a pubmed24n0647.xml
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|a (DE-627)NLM193984717
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|a (NLM)20034777
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a López Meza, Sarynna
|e verfasserin
|4 aut
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| 245 |
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|a Effect of contact time on the release of contaminants from granular waste materials during column leaching experiments
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|c 2010
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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 23.06.2010
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright 2009 Elsevier Ltd. All rights reserved.
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|a When reusing or disposing of contaminated granular waste materials there is a need to evaluate how the contaminants will interact on the pathway soil-groundwater and the effect this interaction will have on the surrounding environment. While column testing can provide a closer approximation to field percolation conditions than batch testing, there is still a need to develop column testing procedures that consider the requirements of practical testing time frames. This study evaluates the effect of different column contact times (2.5, 5, and 16h) on the release of inorganic constituents from bottom ash and demolition waste, two commonly reused granular materials. Leaching data for representative constituents of concern, such as copper, chromium, sulfate and chloride, as well as pH and electrical conductivity was compared for all different contact times studied. Results for the materials investigated in this study showed that variations in contact time have no significant effect on the release of the selected constituents and leaching parameters at low liquid to solid ratios. However, after a liquid to solid ratio of 1L/kg, the effect is more noticeable, and higher contact times show lower pH values as well as a reduction in the release of constituents of concern from bottom ash. In the case of demolition waste, the variation of contact time did not have a strong effect on the leaching behavior
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|a Journal Article
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|a Chlorides
|2 NLM
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|a Environmental Pollutants
|2 NLM
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| 650 |
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7 |
|a Industrial Waste
|2 NLM
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| 650 |
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7 |
|a Sulfates
|2 NLM
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| 650 |
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7 |
|a Chromium
|2 NLM
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| 650 |
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7 |
|a 0R0008Q3JB
|2 NLM
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| 650 |
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7 |
|a Copper
|2 NLM
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| 650 |
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7 |
|a 789U1901C5
|2 NLM
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| 700 |
1 |
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|a Kalbe, Ute
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berger, Wolfgang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Simon, Franz-Georg
|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 30(2010), 4 vom: 01. Apr., Seite 565-71
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2010
|g number:4
|g day:01
|g month:04
|g pages:565-71
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|u http://dx.doi.org/10.1016/j.wasman.2009.11.022
|3 Volltext
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