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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X20936746
|2 doi
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|a pubmed24n1039.xml
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|a (NLM)32611239
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|a DE-627
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|a eng
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1 |
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|a Inayat, Amer
|e verfasserin
|4 aut
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|a Thermo-catalytic pyrolysis of polystyrene in batch and semi-batch reactors
|b A comparative study
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|c 2021
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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 10.02.2021
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|a Date Revised 10.02.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Thermo-catalytic pyrolysis is considered as a promising process for the chemical recycling of waste polymeric materials aiming at converting them into their original monomers or other valuable chemicals. In this regard, process parameters and reactor type can play important roles for an enhanced recovery of the desired products. Polystyrene (PS) wastes are excellent feedstocks for the chemical recycling owing to the capability of PS to be fully recycled. In this respect, the present work deals with the thermo-catalytic pyrolysis of PS in batch and semi-batch reactor setups. The main goal was to perform a comprehensive study on the depolymerisation of PS, thereby investigating the effect of reactor type, catalyst arrangement, feed to catalyst ratio and residence time on the yields of oil and styrene monomer (SM). A further goal was to identify the optimum operating conditions as well as reactor type for an enhanced recovery of oil and SM. It was demonstrated that the semi-batch reactor outperformed the batch reactor in terms of oil and SM yields in both thermal (non-catalytic) and catalytic tests performed at 400°C. Furthermore, it was shown that the layered arrangement of catalyst (catalyst separated from PS) produced a higher amount of oil with higher selectivity for SM as compared to the mixed arrangement (catalyst mixed with PS). Moreover, the effect of carrier gas flowrate on the product distribution was presented
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|a Journal Article
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|a Pyrolysis
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|a chemical recycling
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|a polystyrene
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|a semi-batch reactor
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|a thermo-catalytic process
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| 650 |
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|a waste management
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|a Polystyrenes
|2 NLM
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| 650 |
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|a Waste Products
|2 NLM
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| 700 |
1 |
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|a Klemencova, Katerina
|e verfasserin
|4 aut
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1 |
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|a Grycova, Barbora
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sokolova, Barbora
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lestinsky, Pavel
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 39(2021), 2 vom: 28. Feb., Seite 260-269
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2021
|g number:2
|g day:28
|g month:02
|g pages:260-269
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|u http://dx.doi.org/10.1177/0734242X20936746
|3 Volltext
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