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Analysis of the operation conditions for supercritical fluid extraction of seed oil
Yin, JZ; Wang, AQ; Wei, W; Liu, Y; Shi, WH
关键词Supercritical Fluid Extraction Hippophae Rhamnoides L. Operation Conditions
刊名SEPARATION AND PURIFICATION TECHNOLOGY
2005-05-01
DOI10.1016/j.seppur.2004.10.016
43期:2页:163-167
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]CO2 EXTRACTION ; MASS-TRANSFER ; PACKED-BEDS ; SIMULATION
英文摘要In this paper, a SCFE set-up with an extraction volume of I L was established, with which Hippophae rhamnoides L. seed oil was extracted using supercritical CO2. The experiments show that many factors have impacts on the oil yield, such as extraction pressure, temperature, and fluid flow rate, as well as seed particle size and filling quantity. For the extraction process of Hippophae rhamnoides L. seed oil, the optimum conditions were as follows: extraction pressure of 20-30 MPa, extraction temperature of 35-40 degrees C, supercritical CO2 flow rate of 0.15-0.3 m(3)/h, and extraction time of 4-5 h. Under such a condition, the oil obtained is very lucid and good quality, and the yield is as high as above 90%. GC analysis shows that the oil contains 11.44% of saturated fatty acid and 88.56% of unsaturated fatty acid. From the changes of oil yield with the extraction time, it can be concluded that the extraction process contains three stages: fast extraction stage (approximate a linear style), transitional stage (very short period of time) and the slow extraction stage Oust a little amount of oil can be extracted in this stage). At the first stage, 75-80% of the oil has been extracted out. (C) 2004 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000229342200008
引用统计
被引频次:52[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139886
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Sch Chem Engn, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Yin, JZ,Wang, AQ,Wei, W,et al. Analysis of the operation conditions for supercritical fluid extraction of seed oil[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2005,43(2):163-167.
APA Yin, JZ,Wang, AQ,Wei, W,Liu, Y,&Shi, WH.(2005).Analysis of the operation conditions for supercritical fluid extraction of seed oil.SEPARATION AND PURIFICATION TECHNOLOGY,43(2),163-167.
MLA Yin, JZ,et al."Analysis of the operation conditions for supercritical fluid extraction of seed oil".SEPARATION AND PURIFICATION TECHNOLOGY 43.2(2005):163-167.
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