Journal
REACTION CHEMISTRY & ENGINEERING
Volume 8, Issue 10, Pages 2387-2402Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3re00266g
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Liquid-liquid extraction (LLE) is commonly used for downstream purification in bioprocesses. The in situ mode performs LLE simultaneously with fermentation inside the fermenter, while the in-line mode separates LLE in an external extraction unit. Both modes intensify the bioprocess and enhance productivity by removing inhibitory species continuously. This review provides an overview of applications and highlights the roles of these two modes in bioprocess intensification. Advances in equipment and process designs, along with key examples, are also discussed.
Liquid-liquid extraction (LLE) has been commonly used to purify products downstream in bioprocesses. LLE can be operated in different modes. We specifically focus on two modes: (1) in situ and (2) in-line. For the in situ mode, LLE occurs simultaneously with fermentation inside a fermenter. For the in-line mode, LLE occurs in an external extraction unit that is separate from a fermenter. These two modes can intensify the bioprocess and enhance productivity typically by the continuous removal of inhibitory species. In this review, we provide a summary of applications for these two modes, particularly highlighting their roles in bioprocess intensification. Advances in equipment and process designs for each mode will also be discussed, along with key examples.
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