Catalytic Oxidation of Phosphine by Ionic Liquid-Aqueous Biophasic

Abstract:

hydrophobicity ionic liquid [bmiPF₆ mix with PdCl₂ is used as catalyst and reaction medium to form biophasic liquid reaction system to catalyst mixed gas of PH₃. FT-IR is used for the conformational analysis of [bmi PF₆ monomer and Waters 431 chromatograph for the products of purified reaction. The relationship between temperature, oxygen concentration, the amount of substance of PdCl₂ and PH₃ purification efficiency have been investigated. The results show that purification efficiency remains above 99% in 300min. There is no obvious increase of purification efficiency with O₂ content increased. The optimum conditions of catalyst system are: [bmiPF₆: PdCl₂=1:0.056 (molar ratio), temperature of 70°C between 30~70°C. The reaction products contains PO₄^3- in the aqueous phase by instrumental analysis.

• Periodical: Advanced Materials Research (Volumes 726-731)
• Pages: 2124-2129
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.726-731.2124
• Online since: August 2013
• Authors: Yu Bing Xie, Guang Fei Qu, Ping Ning, Jiang Na Li, Yu Huan Liu, Qin Yin
• Keywords: Aqueous Two-Phase, Catalytic Oxidation, Hydrophobicity, Ionic Liquid (IL), Phosphine

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