Modeling of surface tension effects in venturi scrubbing |
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| Institution: | 1. Karlsruhe Institute of Technology (KIT), Germany;2. Kungliga Tekniska högskolan (KTH), Sweden;3. Gesellschaft für Anlagen- und Reaktorsicherheit (GRS), Germany;4. Strålsäkerhetsmyndigheten (SSM), Sweden;1. State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Henan Polytechnic University, Jiaozuo 454000, Henan, China;2. CME, EIS, University of Wollongong, Wollongong, NSW 2500, Australia;3. The Collaborative Innovation Center of Coal Safety Production of Henan Province, Jiaozuo 454000, Henan, China;4. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400030, China;1. GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;2. Universitat Politècnica de Catalunya, Department of Mining Engineering and Natural Resources, Bases de Manresa 61-73, 08240 Manresa, Spain |
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| Abstract: | A modified model of venturi scrubber performance has been developed that addresses two effects of liquid surface tension: its effect on droplet size and its effect on particle penetration into the droplet. The predictions of the model indicate that, in general, collection efficiency increases with a decrease in liquid surface tension, but the range over which this increase is significant depends on the particle size and on the scrubber operating parameters. The predictions further indicate that the increases in collection efficiency are almost totally due to the effect of liquid surface tension on the mean droplet size, and that the collection efficiency is not significantly affected by the ability of the particle to penetrate the droplet. |
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