Petroleum Science >2019,??Issue 2:??409-416 DOI: https://doi.org/10.1007/s12182-019-0302-1
An experimental study of the synergistic effects of BMIM.BF4, BMIM.DCA and TEACl aqueous solutions on methane hydrate formation Open?Access
文章信息
作者：Ali Rasoolzadeh, Jafar Javanmardi and Amir H. Mohammadi
作者单位：
Department of Chemical Engineering, Shiraz University of Technology, Shiraz, Iran,Department of Chemical Engineering, Shiraz University of Technology, Shiraz, Iran and Institut de Recherche en Genie Chimique et Petrolier (IRGCP), Paris Cedex, France; Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Howard College Camp
投稿时间：2018-04-14
引用方式：Rasoolzadeh, A., Javanmardi, J. & Mohammadi, A.H. Pet. Sci. (2019) 16: 409. https://doi.org/10.1007/s12182-019-0302-1
文章摘要
In this work, the effects of three ionic liquids (ILs), namely, 1-butyl-3-methylimidazolium tetrafluoroborate, 1-butyl-3-methylimidazolium dicyanamide and tetraethyl-ammonium chloride, on methane hydrate formation and dissociation kinetic parameters were studied. The kinetic parameters including the initial rate of hydrate formation, hydrate stability at atmospheric pressure and hydrate storage capacity were evaluated. The experimental measurements were performed in an initial pressure range of 3.5–7.1 MPa. It was found that both of ILs with imidazolium-based cation increase the initial methane hydrate formation rate while the IL with ammonium-based cation leads to a decrease in the initial methane hydrate formation rate. It was also interpreted from the results that all of the three studied ILs decrease methane hydrate stability at atmospheric pressure and increase methane hydrate storage capacity. Finally, both of ILs with imidazolium-based cations were found to have higher impacts on decreasing hydrate stability at atmospheric pressure and increasing the methane hydrate storage capacity than the applied IL with ammonium-based cation.
关键词
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Storage capacity, Gas hydrate, Initial rate, Ionic liquids, Natural gas