2012
DOI: 10.1021/ie202871q
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Pressure Drop and Liquid Distribution in a Venturi Scrubber: Experimental Data and CFD Simulation

Abstract: Venturi scrubbers are widely used to control industrial emissions, because of their high efficiency in the removal of particles from gases. To correctly size and design these equipments, detailed information on the fluid dynamics is very important. The purpose of this article is to study, both experimentally and through CFD simulations, the fluid dynamics of the gas and liquid phases in the core of the throat of a rectangular Venturi scrubber under different experimental conditions. The variables studied were … Show more

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Cited by 26 publications
(20 citation statements)
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“…Liquid− gas (L/G) ratio, defined as the ratio of absorption solution flow and flue gas flow, has been shown as an important parameter in adjusting absorption property of wet desorption device. 51 As shown in Figure S11 of SI, with L/G ratio increased from 0.67 to 4.5, the NO removal efficiency improved from 26.6% to 58.2%. When using higher L/G ratio, relatively large amount of Fe(II)(EDTA) was presented in the spray and thus enhanced the overall complexing and absorption capability.…”
Section: Methodsmentioning
confidence: 87%
“…Liquid− gas (L/G) ratio, defined as the ratio of absorption solution flow and flue gas flow, has been shown as an important parameter in adjusting absorption property of wet desorption device. 51 As shown in Figure S11 of SI, with L/G ratio increased from 0.67 to 4.5, the NO removal efficiency improved from 26.6% to 58.2%. When using higher L/G ratio, relatively large amount of Fe(II)(EDTA) was presented in the spray and thus enhanced the overall complexing and absorption capability.…”
Section: Methodsmentioning
confidence: 87%
“…Na Figura 5 pode-se verificar que ao adentrar a garganta do lavador a fase dispersa apresenta uma curvatura em virtude das forças de arraste do gás. Tal comportamento é condizente com os resultados experimentais obtidos por Guerra et al (2012), Gonçalves et al (2004) e Gonçalves (2000. Comparando-se os resultados dos experimentos E-2 e E-3, é possível verificar que para a condição de menor velocidade do gás (E-2) o encontro das gotas ocorreu em um ponto mais próximo a injeção e em maior concentração.…”
Section: Tabela 1 -Condições Experimentais Avaliadas Experimentounclassified
“…O líquido de lavagem geralmente é introduzido no equipamento por bocais ou orifícios localizados na garganta. O líquido, ao entrar em contato com o gás em alta velocidade, rompe-se em inúmeras gotas que são responsáveis pela coleta das partículas (GUERRA et al 2012). A eficiência de coleta é dependente da uniformidade e distribuição de tamanho de gotas ao longo do equipamento (VISWANATHAN,1997).…”
Section: Introductionunclassified