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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2022.11.039
|2 doi
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|a pubmed25n1166.xml
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|a (DE-627)NLM350059179
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|a (NLM)36493663
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|a (PII)S0956-053X(22)00583-9
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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 Zhang, Jing
|e verfasserin
|4 aut
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|a Co-hydrothermal carbonization of polyvinyl chloride and lignocellulose biomasses for chlorine and inorganics removal
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|c 2023
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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 20.12.2022
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|a Date Revised 22.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Ltd. All rights reserved.
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|a Co-hydrothermal carbonization (co-HTC) of lignocellulose biomass (LB) and chlorinated waste can simultaneously remove organic chlorine and inorganics, however, the interaction mechanisms are unclear owing to the variety of operating conditions and complexity of biomass compositions. Pine, bamboo, corncob, corn stalk, and wheat straw were co-hydrothermally carbonized with polyvinyl chloride (PVC) at the mass ratio of 9:1 for 30 min under 260 °C to explore the fundamental interactions. The synergistic index (SI) of dechlorination efficiency ranged from -20.3 % to 19.9 %, indicating the interaction depended on the content and composition of cellulose, hemicellulose, and lignin in the LB feedstocks. Hydroxyl functional groups in cellulose and soluble lignin dehydration intermediates promoted PVC substitution. The LB fragments prevented PVC aggregation while promoted PVC fragmentation, thereby facilitating dechlorination. The polyaromatic hydrochar derived from insoluble lignin and polymeric hydrochar derived from hemicellulose, cellulose, and soluble lignin can coat the surface of molten PVC and act as significant dechlorination inhibitors. All SI of removal efficiency of inorganics (RE) were positive, ranging from 0.74 % to 154 %, with large variations for different inorganics, indicating that inorganics contents in LB influenced RE significantly. A large amount of water-insoluble/acid-soluble inorganics was removed via a metathesis reaction. Soluble inorganics were dissolved in the process water by HCl leaching
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|a Journal Article
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|a Chlorine and inorganics removal
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|a Co-hydrothermal carbonization
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|a Interaction mechanisms
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|a Lignocellulose biomass
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|a Polyvinyl chloride
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|a Polyvinyl Chloride
|2 NLM
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|a 9002-86-2
|2 NLM
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|a lignocellulose
|2 NLM
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|a 11132-73-3
|2 NLM
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|a Lignin
|2 NLM
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|a 9005-53-2
|2 NLM
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|a Chlorine
|2 NLM
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|a 4R7X1O2820
|2 NLM
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|a Cellulose
|2 NLM
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|a 9004-34-6
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Chen, Yuhan
|e verfasserin
|4 aut
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1 |
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|a Xia, Xu
|e verfasserin
|4 aut
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|a Fu, Binbin
|e verfasserin
|4 aut
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|a Lin, Chuanjin
|e verfasserin
|4 aut
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|a Jia, Guangchao
|e verfasserin
|4 aut
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|a Cui, Xin
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Fang
|e verfasserin
|4 aut
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|a Zhao, Peitao
|e verfasserin
|4 aut
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| 700 |
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|a Li, Yimin
|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 156(2023) vom: 01. Feb., Seite 198-207
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
1 |
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|g volume:156
|g year:2023
|g day:01
|g month:02
|g pages:198-207
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|u http://dx.doi.org/10.1016/j.wasman.2022.11.039
|3 Volltext
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|d 156
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