Measurement and thermodynamic modeling of the phase equilibrium of aqueous N-methyldiethanolamine solutions |
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| Institution: | 1. Faculty of Materials Science and Chemical Engineering, Ningbo University, No. 818 Fenghua Road, Jiangbei District, Ningbo, 315211, Zhejiang Province, People''s Republic of China;2. Key Laboratory of Photoelectric Detection Materials and Devices of Zhejiang Province, Ningbo, 315211, Zhejiang Province, People''s Republic of China;1. Nanophotonics and Nanoelectronics Research Laboratory, Centre for Nanoscience and Technology, Madanjeet School of Green Energy Technologies, Pondicherry University, Kalapet, Puducherry – 605014, India;2. CSIR – Central Leather Research Institute, Regional Centre for Extension and Development, Leather Complex, Jalandhar, Punjab – 144021, India;3. Department of Chemical Engineering, Kyung Hee University, Global Campus, Seocheon – dong, Giheung – gu, Yongin – si Gyeonggi – do, Suwon – 446701, South Korea;1. Department of Chemistry, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran;2. Department of Chemical Engineering, Ferdowsi University of Mashhad, Mashhad 9177948944, Iran |
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| Abstract: | Isobaric vapor–liquid equilibrium (VLE) measurements at 40.0, 53.3 and 66.7 kPa (300, 400 and 500 mmHg) of aqueous N-methyldiethanolamine (MDEA) solutions were performed using a modified ebulliometer. The concentration of MDEA in the liquid phase ranged from about 0.06 to 0.93 in mole fraction and the temperatures from about 76 to 186 °C. The data measured in this work, along with other experimental data taken from the literature, are used for the improvement of the thermodynamic modeling of the water/MDEA binary system. |
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