Thermodynamics of aqueous solutions of methyldiethanolamine and diisopropanolamine

Thermodynamic modeling of CO2 and H2S solubilities in aqueous DIPA solution, aqueous sulfolane–DIPA solution, and aqueous sulfolane–MDEA solution with electrolyte NRTL model

“…The NRTL binary interaction parameters for the H 2 O-DIPA binary are regressed against experimental VLE data [27], enthalpy of mixing data [28] and liquid heat capacity data [29] for the H 2 O-DIPA binary. The identified NRTL parameters are summarized in Table 9.…”

Vapor–Liquid Equilibria for Three Binary Systems of N-Methylethanolamine, N-Methyldiethanolamine, and Ethylene Glycol at P = (40.0, 30.0, and 20.0) kPa

“…MDEA is a widely used solvent and absorbent, especially in chemical absorption . As is reported in several papers, the currently dominant technology to remove carbon dioxide (CO 2 ) and hydrogen sulfide (H 2 S) from natural gas and the absorption and stripping process of liquefied petroleum gas (LPG) is carried on with alkanolamines, such as MMEA, MDEA, N , N -diethylethanolamine, and diethanolamine. , MMEA is also acted as a solvent in absorbing the acid gases, together with its analogues, such as ethanolamine and dimethylethanolamine . Meanwhile, it is a useful intermediate in the preparation of chemical products, including polymers and pharmaceuticals.…”

Solubility and thermodynamic modeling of hydrogen sulfide in aqueous (diisopropanolamine+2-amino-2-methyl-1-propanol+piperazine) solution at high pressure

“…As the results show, the calculated values are in good agreement with the experiment by deviation less than 3.1%. Figure 8 demonstrates the predicted total pressure of the aqueous solution of DIPA versus the DIPA mole fraction with good agreement for the (DIPA + H 2 O) system at the different temperatures [43].…”

“…The predicted total pressure of aqueous solution of DIPA against the DIPA mole fraction for the (DIPA + H 2 O) system at the different temperatures (data from[43]). …”