Application of molecular sieves in the fractionation of lemongrass oil from high-pressure carbon dioxide extraction
作者： L. Paviani , S. B.C. Pergher , C. Dariva
DOI: 10.1590/S0104-66322006000200009
关键词:
摘要: The aim of this work was to study the feasibility simultaneous process high-pressure extraction and fractionation lemongrass essential oil using molecular sieves. For purpose, a laboratory-scale unit coupled with column four different stationary phases for fractionation: ZSM5 zeolite, MCM-41 mesoporous material, alumina silica employed. Additionally, effect carbon dioxide variables on global yield chemical composition also studied in temperature range 293 313 K pressure 100 200 bar. volatile organic compounds extracts were identified by gas chromatograph mass spectrometer detector (GC/MS). results indicated that phase exerted an both extracts.
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