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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2020.12.008
|2 doi
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|a pubmed24n1064.xml
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|a (DE-627)NLM319246396
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|a (NLM)33360310
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|a (PII)S0956-053X(20)30697-8
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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 Xu, Dan
|e verfasserin
|4 aut
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| 245 |
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|a Simultaneous production of aromatics-rich bio-oil and carbon nanomaterials from catalytic co-pyrolysis of biomass/plastic wastes and in-line catalytic upgrading of pyrolysis gas
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|c 2021
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| 336 |
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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 02.02.2021
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|a Date Revised 02.02.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Ltd. All rights reserved.
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|a An integrated process that includes catalytic co-pyrolysis of biomass/plastic wastes and in-line catalytic upgrading of pyrolysis gas were conducted to simultaneously produce aromatics-rich bio-oil and carbon nanotubes (CNTs). The influences of feedstocks blending ratio on the characteristics of bio-oil and CNTs were established. The reaction mechanism of carbon deposition during the system was also probed. The results showed that co-feeding plastic to biomass siginificantly enhanced the selectivity of monoaromatics (benzene, toluene, and xylene) from 5.6% for pure biomass to the maximum yield of 44.4% for 75.0% plastic ratio, and decreased naphthalene and its derivates from 85.9 to 41.7% correspondingly. The most synergistic effect on BTX selectivity occurred at 25% of plastic ratio. The multi-walled CNTs were successfully synethsized on Ni catalyst by utilizing prolysis gas as feedstocks. For pure biomass, the least CNTs yield with ultrafine diameters of 3.9-8.5 nm was generated via disproportionation reaction of CO which was derived from decarboxylation and decarbonylation of oxygenates on the ZSM-5 acid sites. With the rise of plastic ratio, sufficient hydrocarbons were produced for CNTs growth, endowing CNTs with long and straight tube walls, along with uniform diameters (~16 nm). The CNTs yield increased as high as 139 mg/g-cata. In addition, the decreased CO2 inhibited dry reforming with C1-C4 hydrocarbons and deposited carbon, avoiding excessive etching of CNTs. Thereby, high-purity CNTs with less defects were fabricated when plastic ratio was beyond 50% in the feedstock. The strategy is expected to improve the sustainability and economic viability of biomass pyrolysis
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|a Journal Article
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|a Aromatics-rich bio-oil
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|a Biomass
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|a Carbon nanotubes
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|a Catalytic co-pyrolysis
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|a Plastic
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7 |
|a Bio-Oil
|2 NLM
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| 650 |
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|a Biofuels
|2 NLM
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| 650 |
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|a Nanotubes, Carbon
|2 NLM
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| 650 |
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|a Plant Oils
|2 NLM
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| 650 |
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7 |
|a Plastics
|2 NLM
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| 650 |
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|a Polyphenols
|2 NLM
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| 700 |
1 |
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|a Yang, Siyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Yinhai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Shuping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Yuanquan
|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 121(2021) vom: 15. Feb., Seite 95-104
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:121
|g year:2021
|g day:15
|g month:02
|g pages:95-104
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|u http://dx.doi.org/10.1016/j.wasman.2020.12.008
|3 Volltext
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|d 121
|j 2021
|b 15
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|h 95-104
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