Density and Solubility of CO2 in Aqueous Solutions of (Potassium Carbonate + Sarcosine) and (Potassium Carbonate + Pipecolic Acid)

The density of (30 mass % potassium carbonate + 3 mass % sarcosine) and (30 mass % K2CO3 + 3 mass % pipecolic acid) were measured for temperature ranging from (303 to 353) K. The experimental data are presented with an aqueous solution of 30 mass % K2CO3. The solubility of the aqueous blended soluti...

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Published inJournal of chemical and engineering data Vol. 57; no. 12; pp. 3624 - 3627
Main Authors Jo, Hoyong, Lee, Min-gu, Kim, Beomsoo, Song, Ho-Jun, Gil, Hyungbae, Park, Jinwon
Format Journal Article
LanguageEnglish
Published American Chemical Society 13.12.2012
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Summary:The density of (30 mass % potassium carbonate + 3 mass % sarcosine) and (30 mass % K2CO3 + 3 mass % pipecolic acid) were measured for temperature ranging from (303 to 353) K. The experimental data are presented with an aqueous solution of 30 mass % K2CO3. The solubility of the aqueous blended solution was measured at (353, 373, and 393) K over CO2 partial pressure ranging from (0.1 to 1500) kPa. The results are shown with the solubility of CO2 in 30 mass % K2CO3. Due to the fact that the amino acid has acidic character, the CO2 solubility of aqueous blended solutions is slightly lower than that of the solution of 30 mass % K2CO3.
ISSN:0021-9568
1520-5134
DOI:10.1021/je300782p