High Solubilities for Methane, Ethane, Ethylene, and Propane in Trimethyloctylphosphonium Bis(2,4,4-trimethylpentyl) Phosphinate ([P8111][TMPP])

Xiangyang Liu, Elia Ruiz, Waheed Afzal, Victor R Ferro, José Palomar, John M Prausnitz

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Solubilities are reported for methane, ethane, ethylene, and propane in trimethyloctylphosphonium bis(2,4,4-trimethylpentyl) phosphinate [P8111][TMPP] from 299 to 323 K up to 4 MPa. Consistent with prediction of COSMO-RS, [P8111][TMPP] shows large solubilities for all four hydrocarbons. Contrary to solubility data in conventional ionic liquids, in [P8111][TMPP] the solubility for ethane is higher than that for ethylene. When compared with solubilities in other similar phosphonium-based ionic liquids, the cation has only a small influence on the solubilities of small hydrocarbons. Ionic liquid [P8111][TMPP] may be useful for storage or separation of small hydrocarbons.
Original languageEnglish
Pages (from-to)363-368
Number of pages6
JournalIndustrial & Engineering Chemistry Research
Volume53
Issue number1
Early online date14 Oct 2013
DOIs
Publication statusPublished - 8 Jan 2014

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Propane
Ethane
Methane
Ethylene
Solubility
Ionic Liquids
Hydrocarbons
Ionic liquids
ethylene
Cations
Positive ions

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High Solubilities for Methane, Ethane, Ethylene, and Propane in Trimethyloctylphosphonium Bis(2,4,4-trimethylpentyl) Phosphinate ([P8111][TMPP]). / Liu, Xiangyang; Ruiz, Elia; Afzal, Waheed; Ferro, Victor R; Palomar, José; Prausnitz, John M.

In: Industrial & Engineering Chemistry Research, Vol. 53, No. 1, 08.01.2014, p. 363-368.

Research output: Contribution to journalArticle

Liu, Xiangyang ; Ruiz, Elia ; Afzal, Waheed ; Ferro, Victor R ; Palomar, José ; Prausnitz, John M. / High Solubilities for Methane, Ethane, Ethylene, and Propane in Trimethyloctylphosphonium Bis(2,4,4-trimethylpentyl) Phosphinate ([P8111][TMPP]). In: Industrial & Engineering Chemistry Research. 2014 ; Vol. 53, No. 1. pp. 363-368.
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