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Received June 13, 2022
Accepted August 10, 2022
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Droplet size distribution in a biphasic liquid reactor for understanding the impact of various dual impeller designs on the morphology of S-PVC
Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Korea
jaewlee@kaist.ac.kr
Korean Journal of Chemical Engineering, January 2023, 40(1), 46-56(11), 10.1007/s11814-022-1252-7
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Abstract
This study investigated the effect of dual impeller geometry on the droplet size in the suspension-PVC (SPVC) polymerization process. To simulate the process, 1,2-dichloroethane was used as a dispersed phase, because it has been used to replace the toxic vinyl chloride monomer (VCM). Using a borescope method, a droplet size was measured for a biphasic liquid system, and the Sauter mean diameter increased by 46.5% as the upper paddle impeller was replaced by 20° pitched paddle. It also increased when the impeller diameter and the blade width increased. Considering this effect, a geometrical factor (F) was revised, and a calculated maximum energy dissipation rate was used for establishing the Sauter mean diameter correlation. The proposed correlation can estimate the Sauter mean diameter within ±20% error, and one can predict the normality of the polymerization under specific impeller geometry using this correlation.
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References
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Gäbler A, Wegener M, Paschedag AR, Kraume M, Chem. Eng. Sci., 61, 3018 (2006)
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Choi S, Jung I, Kim H, Na J, Lee JM, Korean J. Chem. Eng., 39, 515 (2022)
Hardy N, Augier F, Nienow AW, Béal C, Chaabane FB, Chem. Eng. Sci., 172, 158 (2017)
Gu D, Liu Z, Xu C, Li J, Tao C, Wang Y, Chem. Eng. Process., 118, 37 (2017)
Mishra V, Joshi J, Chem. Eng. Res. Des., 72, 657 (1994)
Borwankar RP, Chung SI, Wasan DT, J. Appl. Polym. Sci., 32, 5749 (1986)
Pacek AW, Chamsart S, Nienow AW, Bakker A, Chem. Eng. Sci., 54, 4211 (1999)
Calabrese RV, Chang TPK, Dang PT, AIChE J., 32, 657 (1986)
Mlynek Y, Resnick W, AIChE J., 18, 122 (1972)
Laso M, Steiner L, Hartland S, Chem. Eng. Sci., 42, 2437 (1987)
Ruiz MC, Lermanda P, Padilla R, Hydrometallurgy, 63, 65 (2002)
De Hert SC, Rodgers TL, AIChE J., 64, 3293 (2018)
Ritter J, Kraume M, Chem. Eng. Technol., 23, 579 (2000)
Lee S, Varma A, AIChE J., 61, 2228 (2015)
Brown DE, Pitt K, Chem. Eng. Sci., 29, 345 (1974)
Quadros PA, Baptista CMSG, Chem. Eng. Sci., 58, 3935 (2003)
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Ghotli RA, Abbasi MR, Bagheri AH, Raman AAA, Ibrahim S, Bostanci H, J. Taiwan Inst. Chem. Eng., 100, 26 (2019)
Bliatsiou C, Malik A, Böhm L, Kraume M, Ind. Eng. Chem. Res., 58, 2537 (2019)
Park J, Ahan W, Lee JW, Korean J. Chem. Eng., 38, 1348 (2021)
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Vargaftik NB, Volkov BN, Voljak LD, J. Phys. Chem. Ref Data, 12, 817 (1983)
Laliberté M, J. Chem. Eng. Data, 52, 321 (2007)
Girault HHJ, Schiffrin DJ, Smith BDV, J. Colloid Interface Sci., 101, 257 (1984)
Zeynali V, Sargolzaei J, Moghaddam AH, Desalin. Water Treat., 56, 24240 (2016)
Sargolzaei J, Moghaddam AH, Shayegan J, Korean J. Chem. Eng., 28, 1889 (2011)
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Coulaloglou CA, Tavlarides LL, AIChE J., 22, 289 (1976)
Chatzi EG, Boutris CJ, Kiparissides C, Ind. Eng. Chem. Res., 30, 1307 (1991)
Henzler HJ, Biedermann A, Chemie Ing. Tech., 68, 1546 (1996)
Jüsten P, Paul GC, Nienow AW, Thomas CR, Biotechnol. Bioeng., 52, 672 (1996)
Smith JJ, Lilly MD, Fox RI, Biotechnol. Bioeng., 35, 1011 (1990)
Paul EL, Atiemo-Obeng VA, Kresta SM, Handbook of industrial mixing: Science and practice, John Wiley & Sons (2003).
Lovick J, Mouza AA, Paras SV, Lye GJ, Angeli P, J. Chem. Technol. Biotechnol., 80, 545 (2005)
Hudcova V, Machon V, Nienow AW, Biotechnol. Bioeng., 34, 617 (1989)
Cutter LA, AIChE J., 12, 35 (1966)
Wu H, Patterson GK, Chem. Eng. Sci., 44, 2207 (1989)
Sheng J, Meng H, Fox RO, Chem. Eng. Sci., 55, 4423 (2000)
