Characterization of a two-phase impinging jet absorber-II. Absorption with chemical reaction of CO2 in NaOH solutions

Dov Herskowits, Varda Herskowits, Karl Stephan, Abraham Tamir

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Abstract

Absorption of CO2 into NaOH solutions was performed in a two-impinging-jet absorber under conditions of second-order chemical reaction. The enhancement factor, interfacial area and mass transfer coefficient were determined. The values of the specific area a varied between 0.9 and 20.5 cm-1 and those of the mass transfer coefficient kL between 0.029 and 0.066 cm/s corresponding to values of kLa ranging between 0.025 and 1.22s-1, as already reported in the first part of this paper. These values are among the highest encountered for conventional absorbers. The characteristic two-maxima behavior of absorption rate vs internozzle distance repeated itself in this case too.

Original languageEnglish
Pages (from-to)1281-1287
Number of pages7
JournalChemical Engineering Science
Volume45
Issue number5
DOIs
StatePublished - 1 Jan 1990

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