Minimising solvent usage in high speed, high loading, and high resolution isocratic dynamic extraction

被引:56
|
作者
Garrard, Ian J. [1 ]
Janaway, Lee [1 ]
Fisher, Derek [1 ]
机构
[1] Brunel Univ, Brunel Inst Bioengn, Uxbridge UB8 3PH, Middx, England
关键词
countercurrent chromatography; CCC; dynamic extraction; recycling;
D O I
10.1080/10826070601077252
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The development of the planetary-motion countercurrent chromatography machine into a high speed, high loading and high resolution dynamic extraction centrifuge has allowed the scale-up of the technique from analytical to pilot (kg/day). At this scale, solvent usage is a major consideration for both economical and environmental ("green") reasons. The analysis by gas chromatography of the composition of the two phases in solvent systems allows each layer to be made separately as required, minimising solvent wastage. Furthermore, as operation is generally isocratic, analysis of the recovered condensate from evaporated fractions allows the mobile phase to be easily reconstituted ready for re-use in the centrifuge. Such recycling further minimises solvent usage during preparative and pilot-scale separations.
引用
收藏
页码:151 / 163
页数:13
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