Solubility of Carbon Dioxide in Aqueous Mixtures of DIPA + MDEA and DIPA + PZ Solutions | Zendy

Jenab Masih Hosseini | Zendy; Vahidi Mehdi | Zendy; Mehrabi Mehrnoosh | Zendy

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Solubility of Carbon Dioxide in Aqueous Mixtures of DIPA + MDEA and DIPA + PZ Solutions

Author(s) -

Jenab Masih Hosseini,

Vahidi Mehdi,

Mehrabi Mehrnoosh

Publication year - 2006

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.200600034

Subject(s) - chemistry , solubility , amine gas treating , carbon dioxide , piperazine , partial pressure , aqueous solution , alkanolamine , nuclear chemistry , inorganic chemistry , organic chemistry , oxygen

The new data for solubility of carbon dioxide are reported in mixed solvents containing (2.00 to 2.50 kmol/m 3 ) Diisopropanolamine (DIPA), (0.86 to 1.36) kmol/m 3 ) Piperazine (PZ), (0.86 to 1.36) kmol/m 3 ) N ‐methyldiethanolamine (MDEA) and water, keeping the amine total concentration in the aqueous solution at 3.36 kmol/m 3 for temperatures from (40 to 70) °C and CO 2 partial pressures in the range of (30 to 5000) kPa. Experimental solubility results were represented by the mole ratio of CO 2 per total amine in the liquid mixture. Results show that at a given partial pressure of CO 2 the solubility of CO 2 in the DIPA solutions is lower than solubility in MDEA or PZ solutions and the CO 2 loading increased with decreasing temperature and increasing CO 2 partial pressure.

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