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- W2312313369 abstract "The absorption of SO2 by water and by aqueous solutions of HCl, NaHSO3 and NaCl using relatively long wetted-wall columns (12 to 22 cm) with no gas phase resistance has been investigated. The results of the investigation show (1) that in the presence of small concentrations of a surface active material (here Teepol, an alkyl sulphate wetting agent) the rate of absorption is very well predicted by the penetration theory, (2) that the primary function of the wetting agent is to prevent the formation of ripples in a falling film of the heights used and (3) that the hydrolysis reaction of the system SO2-H2O is very rapid relative to the contact times involved, so that absorption of SO2 by water may be considered as physical absorption. The data obtainable with this type of absorber may be used to calculate a rather reliable value of the product C* √D in the case of physical absorption. If this product is known, the absorber may be used to study reaction rates in chemical absorption. On a étudié l'absorption de SO2 pure dans l'eau et dans des solutions aqueuses de HCl, NaHSO3 et NaCl avec une colonne à parois mouillées, de 12 à 22 cm. de longueur. Les expériences démontrent (1) qu'en présence de faibles concentrations d'un détergent (Teepol) la vitesse d'absorption peut être prédite avec la theorie simple de diffusion non-stationnaire, (2) que la fonction primaire du détergent est de supprimer les ondulations à la surface du liquide, et (3) que la réaction d'hydrolyse du système SO2-H2O est très rapide auprès les temps de contact utilisés (entre 0,1 et 1 seconde). Pour l'absorption physique, des expériences dans un absorbeur comme utilisé ici peuvent fournir une valeur assez sûre du produit C* √D. Au cas où cette valeur soit connue, l'absorbeur peut être utilisé pour l'étude de vitesses de réaction chez l'absorption avec réaction chimique." @default.
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- W2312313369 date "1955-04-01" @default.
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- W2312313369 title "Absorption studies in the light of the penetration theory" @default.
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- W2312313369 doi "https://doi.org/10.1016/0009-2509(55)85007-5" @default.
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