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Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt

[Image: see text] The amount of supercritical CO(2) dissolved in polystyrene (PS), dissolution rate, and solubility under static conditions at 170–190 °C and 7.5–9.5 MPa were calculated by utilizing volume-changing-method experiments and numerical simulations. By comparison, the instantaneous error...

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Autores principales: Wang, Duyang, Huang, Xingyuan, Cai, Zhennan, Wang, Wenling, Wang, Long, Wang, Sipeng, Li, Mengshan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2019
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6941390/
https://www.ncbi.nlm.nih.gov/pubmed/31909329
http://dx.doi.org/10.1021/acsomega.9b03148
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author Wang, Duyang
Huang, Xingyuan
Cai, Zhennan
Wang, Wenling
Wang, Long
Wang, Sipeng
Li, Mengshan
author_facet Wang, Duyang
Huang, Xingyuan
Cai, Zhennan
Wang, Wenling
Wang, Long
Wang, Sipeng
Li, Mengshan
author_sort Wang, Duyang
collection PubMed
description [Image: see text] The amount of supercritical CO(2) dissolved in polystyrene (PS), dissolution rate, and solubility under static conditions at 170–190 °C and 7.5–9.5 MPa were calculated by utilizing volume-changing-method experiments and numerical simulations. By comparison, the instantaneous error can be guaranteed to be less than 15%. The two results are in good agreement, and the reliability of the simulation method is verified. Based on the obtained results, another parameter was added to the tested model, and the dissolution rate of supercritical CO(2) in PS under different shear conditions was numerically simulated. The effects of temperature, pressure, and shear rate on dissolution were analyzed. The results show that when the temperature and pressure are constant, the dissolution rate of supercritical CO(2) in PS with shear increases significantly compared with that without shear. The conditions that enable the maximum dissolution rate are 190 °C, 9.5 MPa, and a shear rate of 240/π. With the abovementioned pressure and shear rate conditions, the maximum solubility can be obtained under the temperature of 170 °C.
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spelling pubmed-69413902020-01-06 Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt Wang, Duyang Huang, Xingyuan Cai, Zhennan Wang, Wenling Wang, Long Wang, Sipeng Li, Mengshan ACS Omega [Image: see text] The amount of supercritical CO(2) dissolved in polystyrene (PS), dissolution rate, and solubility under static conditions at 170–190 °C and 7.5–9.5 MPa were calculated by utilizing volume-changing-method experiments and numerical simulations. By comparison, the instantaneous error can be guaranteed to be less than 15%. The two results are in good agreement, and the reliability of the simulation method is verified. Based on the obtained results, another parameter was added to the tested model, and the dissolution rate of supercritical CO(2) in PS under different shear conditions was numerically simulated. The effects of temperature, pressure, and shear rate on dissolution were analyzed. The results show that when the temperature and pressure are constant, the dissolution rate of supercritical CO(2) in PS with shear increases significantly compared with that without shear. The conditions that enable the maximum dissolution rate are 190 °C, 9.5 MPa, and a shear rate of 240/π. With the abovementioned pressure and shear rate conditions, the maximum solubility can be obtained under the temperature of 170 °C. American Chemical Society 2019-12-19 /pmc/articles/PMC6941390/ /pubmed/31909329 http://dx.doi.org/10.1021/acsomega.9b03148 Text en Copyright © 2019 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
spellingShingle Wang, Duyang
Huang, Xingyuan
Cai, Zhennan
Wang, Wenling
Wang, Long
Wang, Sipeng
Li, Mengshan
Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt
title Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt
title_full Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt
title_fullStr Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt
title_full_unstemmed Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt
title_short Experimental and Simulation Study on the Dissolved Amount and Dissolution Rate of Supercritical CO(2) in Polystyrene Melt
title_sort experimental and simulation study on the dissolved amount and dissolution rate of supercritical co(2) in polystyrene melt
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6941390/
https://www.ncbi.nlm.nih.gov/pubmed/31909329
http://dx.doi.org/10.1021/acsomega.9b03148
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