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Effect of Dissolved Salts on the Enthalpy of Mixing of the Methanol + Formic Acid System at 303.15 K

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Department of Chemical Engineering, Alagappa Chettiar College of Technology, Anna University, Chennai 600 025, India, and Center for Environmental Studies/Green Energy Center, College of Environmental and Applied Chemistry, Kyung Hee University, Gyeonggi-do, 446-701, South Korea
* To whom correspondence should be addressed. E-mail: [email protected]. Tel.: +91-44-2220 3535. Fax: +91-44-22355373. E-mail address: [email protected]. Tel.: +82-31-2013824. Fax: +82-31-2048114.
†These authors contributed equally to this work.
‡Anna University.
§Kyung Hee University.
Cite this: J. Chem. Eng. Data 2009, 54, 1, 4–7
Publication Date (Web):December 17, 2008
https://doi.org/10.1021/je800568m
Copyright © 2008 American Chemical Society

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    Abstract

    This paper presents the effect of four dissolved inorganic salts (sodium chloride, cadmium chloride, zinc chloride, and ammonium chloride) on the enthalpy of mixing of the binary system methanol + formic acid measured at 303.15 K using an isothermal displacement calorimeter with vapor space. A significantly increasing trend in excess enthalpy values for the salt cadmium chloride, an insignificant but small increase in the excess enthalpy for the salt zinc chloride, and a smaller but similar decrease in the excess enthalpy values with the addition of sodium chloride and ammonium chloride were noticed. The experimental values of the enthalpy of mixing were fitted into a modified Redlich−Kister equation, and the deviations and parameters are reported. Importance of the solute−formic acid interaction is demonstrated by the enhanced excess enthalpy of mixing (HE) values in the positive direction with increasing salt (ammonium chloride) concentration.

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    Cited By

    This article is cited by 4 publications.

    1. Jeong Tai Kim, Heecheul Kim, Sun-Kuk Kim, M. Dharmendira Kumar, and Arun Anand Prabu . Effect of Cadmium Chloride and Ammonium Chloride Salts on the Enthalpy of Mixing of Pyridine + Water at 303.15 K. Journal of Chemical & Engineering Data 2012, 57 (1) , 1-6. https://doi.org/10.1021/je2002495
    2. R. Tamilarasan, A. Anand Prabu, Kap Jin Kim, M. Dharmendira Kumar. Effect of Dissolved Inorganic Salts on the Enthalpy of Mixing of the Ethanol + Pyridine System at 303.15 K. Journal of Chemical & Engineering Data 2010, 55 (9) , 3567-3571. https://doi.org/10.1021/je1002048
    3. Rengasamy TAMILARASAN, Arun ANAND PRABU, Kim KAP JIN, Mahendradas DHARMENDIRA KUMAR. Effect of Dissolved Cadmium Chloride and Ammonium Chloride Salts on the Enthalpy of Mixing of the Methanol + Benzene System at 303.15 K. Chinese Journal of Chemical Engineering 2010, 18 (6) , 995-999. https://doi.org/10.1016/S1004-9541(09)60158-0
    4. Tamilarasan Rengasamy, Anand Prabu Arun, Raajenthiren Muniswamy, Dharmendira Kumar Mahendradas, Chang Kyoo Yoo. Determination and Correlation of Excess Enthalpies of Mixing of Ethyl Acetate/Benzene Mixtures Containing Dissolved Inorganic Salts at 303.15 K. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2009, 42 (7) , 485-489. https://doi.org/10.1252/jcej.09we053

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