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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.11.037
|2 doi
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|a pubmed24n1013.xml
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|a (PII)S0956-053X(19)30733-0
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|a DE-627
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|e rakwb
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|a eng
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|a Simonsen, Anne Mette T
|e verfasserin
|4 aut
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|a Evaluation of mine tailings' potential as supplementary cementitious materials based on chemical, mineralogical and physical characteristics
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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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|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 emissions of CO2 from cement production and avoid severe environmental pollution from the deposition of mine waste, this study investigated the possibility of utilizing mine tailings as supplementary cementitious materials (SCM) for partially replacement of cement in concrete. This study provides a characterization study of mine tailings to evaluate their potential for contributing chemically or physically as SCM. 13 mine tailing samples were characterized in regards to chemical composition (XRF, Loss on Ignition, CaCO3 and pH), mineralogical content (XRD) and physical characteristics (Grain size distribution, Specific Surface Area, SEM-analysis). The characterization study showed five mine tailings to possess potential chemical contribution as SCM based on their chemical composition (SiO2, Al2O3, Fe2O3 and CaO) and amorphous content. Three mine tailings showed potential physical contribution as SCM based on grain size and grain morphology. The remainder mine tailing characteristics suggest that their potential as SCM may be improved by pretreatment such as milling and/or thermal treatment
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|a Journal Article
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|a Characterization study
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|a Mine tailings
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|a Partial cement replacement
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|a Supplementary cementitious materials
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|a Silicon Dioxide
|2 NLM
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|a 7631-86-9
|2 NLM
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| 700 |
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|a Solismaa, Soili
|e verfasserin
|4 aut
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1 |
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|a Hansen, Henrik K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jensen, Pernille E
|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 102(2020) vom: 01. Feb., Seite 710-721
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:102
|g year:2020
|g day:01
|g month:02
|g pages:710-721
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|u http://dx.doi.org/10.1016/j.wasman.2019.11.037
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