Title :
The Measurement and Calculation of Heat of Mixing for Aqueous Alkanolamine Solutions
Author :
Zhang, Ruilei ; Mi, Jianguo ; Li, Han ; Chen, Jian ; Gao, Guanghua
Author_Institution :
Dept. of Chem. Eng., Beijing Univ. of Chem. Technol., Beijing, China
Abstract :
The heat of mixing HE for N,N-Diethylethanolamine(DEEA), 1-(2-hydroxyethyl) piperazine(HEPZ) in water were measured with C-80 calorimeter at two different T=(303.15, 323.15)K and over the entire range of mole fractions. The experimentally measured HE values are correlated as a function of mole fractions using the Redlich-Kister (RK) equation. And the nonrandom two-liquid (NRTL) parameters were simultaneously fitted using VLE and HE data with good agreement with experimental data.
Keywords :
heat of mixing; molecular dynamics method; organic compounds; 1-(2-hydroxyethyl) piperazine; C-80 calorimeter; DEEA; HE data; HEPZ; Redlich-Kister equation; VLE data; aqueous alkanolamine solutions; heat of mixing; mole fractions; n,n-diethylethanolamine; nonrandom two-liquid parameters; temperature 303.15 K; temperature 323.15 K; Data models; Equations; Heating; Helium; Mathematical model; Temperature distribution; Temperature measurement; alkanolamine; heat of mixing; solution;
Conference_Titel :
Biomedical Engineering and Biotechnology (iCBEB), 2012 International Conference on
Conference_Location :
Macau, Macao
Print_ISBN :
978-1-4577-1987-5
DOI :
10.1109/iCBEB.2012.430
