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JOURNAL OF MOLECULAR LIQUIDS · 2017 · IF 3.648

Liquid-liquid extraction data of methyl ethyl ketone from n-hexane using ethylene glycol at 298.15–313.15 K

Midong Shi,Liping Wang,Gaoyin He,Fan Gan,Xuemin Yu,Qingsong Li

In order to remove methyl ethyl ketone from the lower fractions of C 6 in the high temperature Fischer-Tropsch synthetic oil, the liquid-liquid equilibrium (LLE) experiments for methyl ethyl ketone + n-hexane + ethylene glycol were carried out and the LLE data were measured at 298.15, 303.15, 308.15 and 313.15 K under atmospheric pressure. The analysis results demonstrated the feasibility of separating methyl ethyl ketone from n-hexane using ethylene glycol with the extraction method . Moreover, the NRTL and UNIQUAC models were successfully applied to correlate the LLE data with RMSD′ values of 0.0197 and 0.0313, respectively, which indicated that NRTL model showed a higher accuracy.

CAS / MDL: 110-54-3

研究领域: 化学工程 · 分离技术

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RUSSIAN JOURNAL OF GENERAL CHEMISTRY · 2021 ·Vol. 91 ·期 4 ·726-731 · IF 0.868

Study of the Cu/SiO2 Catalyst Prepared from Copper Phyllosilicate

Xu Y.,Hu Y.,Bao Q.,Zhang J.,Liu B.,Zhang Z.,Zhang Q.,Zhang H.

Copper phyllosilicate has been synthesized from a solution of sodium silicate and copper nitrate by co-precipitation under acidic conditions followed by reduction under H 2 flow for using it as the Cu/SiO 2 catalyst. The catalyst has been characterized by XRD, XPS, FTIR and Raman spectra, EDS, BET, and TEM. It is confirmed that only copper phyllosilicate and SiO 2 exist in the catalyst precursor, and there has been no CuO. Physical and chemical properties of Cu/SiO 2 catalyst have been evaluated. The Cu/SiO 2 catalyst has not only a large specific surface area and abundant mesopores but also the advantages of high dispersion of copper nanoparticles and the combination of Cu 0 and Cu + . The catalyst demonstrates high activity and selectivity in the reaction of 2-butanol dehydrogenation to methyl ethyl ketone.

研究领域: 催化化学 · 材料科学 · 物理化学 · 纳米材料 · 有机合成

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Liquid-liquid extraction data of methyl ethyl ketone from n-hexane using ethylene glycol at 298.15–313.15 K

Study of the Cu/SiO2 Catalyst Prepared from Copper Phyllosilicate