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    • 8. 发明申请
    • EXTRACTION
    • 萃取
    • WO2004026430A2
    • 2004-04-01
    • PCT/GB2003/004105
    • 2003-09-17
    • ADVANCED PHYTONICS LIMITEDNICOLA, Mazin
    • NICOLA, Mazin
    • B01D11/02
    • B01D11/0207A23L27/11A23L27/14B01D11/0219B01D11/028
    • Apparatus for carrying out a fractional extraction comprises an extraction column (2) in which a biomass to be extracted is tightly packed.In use, liquified gas passes from vessel (4) and, optionally, a co-solvent passes from vessel (14) into the material within the column (2) and percolates through the material to extract compounds therefrom. The concentration of the co-solvent in the solvent formulation which passes through the column, the temperature or pressure of the solvent formulation and the temperature of the biomass may be varied in order to affect the composition of material extracted. Individual aliquots of material may be collected, at varying times, in vessels (20, 22 and 24).
    • 用于进行分级提取的装置包括提取塔(2),其中待提取的生物质被紧密地包装。在使用中,液化气体从容器(4)通过,并且任选地,共溶剂从容器(14)通过, 进入柱(2)内的材料,并通过材料渗滤以从其中提取化合物。 通过柱的溶剂配方中的助溶剂浓度,溶剂配方的温度或压力以及生物质的温度可以变化,以影响所提取的材料的组成。 材料的各个等分试样可以在不同时间在血管(20,22和24)中收集。