Penders-van Elk, Nathalie J. M. C. published the artcileCombined Effect of Temperature and pKa on the Kinetics of Absorption of Carbon Dioxide in Aqueous Alkanolamine and Carbonate Solutions with Carbonic Anhydrase, Related Products of alcohols-buliding-blocks, the publication is Industrial & Engineering Chemistry Research (2016), 55(38), 10044-10054, database is CAplus.
In present work the absorption of carbon dioxide in aqueous N-methyldiethanolamine, N,N-dimethylethanolamine, and triisopropanolamine solutions with and without the enzyme carbonic anhydrase has been studied in a stirred cell reactor at temperatures varying between 278 and 313 K, at an alkanolamine concentration of 1 kmol m-3 and carbonic anhydrase concentrations ranging from 0 to 2.4 kg m-3, resp. The exptl. data from these experiments have been used to fit the obtained rate constant for the enzymic CO2 hydration to the Bronsted relation: ln(k) = A(pKa) + B + C/T. In addition to the carbon dioxide absorption in the three tertiary alkanolamines, the absorption of carbon dioxide in next three solvents had been studied: 0.3 kmol m-3 potassium carbonate, 0.3 kmol m-3 sodium carbonate, and 0.2 kmol m-3 2-amino-2-methyl-1-propanol. The kinetics from these solvents are well predicted by the relation fitted to the data of the tertiary amines only.
Industrial & Engineering Chemistry Research published new progress about 122-20-3. 122-20-3 belongs to alcohols-buliding-blocks, auxiliary class Organic Pigment, name is Triisopropanolamine, and the molecular formula is C9H21NO3, Related Products of alcohols-buliding-blocks.
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