Fast Batch to Continuous Solid-Liquid Extraction from Plants in Continuous Industrial Extractor

• Published in: Chemical engineering & technology Vol. 30; no. 1; pp. 46 - 51
• Main Authors: Poirot, R., Prat, L., Gourdon, C., Diard, C., Autret, J. M.
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 01.01.2007; WILEY‐VCH Verlag; Wiley-VCH; Wiley-VCH Verlag
• Subjects: Applied sciences; Chemical engineering; Chemical Sciences; Exact sciences and technology; Extraction; Kinetics; Vegetables; Transport process; Laboratory test; Kinetics; Batchwise; Edible species; Batch to continuous; Active principle; Continuous industrial extractor; Solid-liquid extraction; Fast process development; Leaching
• ISSN: 0930-7516; 1521-4125
• DOI: 10.1002/ceat.200600304

In this work, the continuous extraction of solute from vegetable matrix has been studied. An industrial apparatus was used to acquire information for process implementation. To this end, a batch study was conducted to obtain the extraction kinetics, and the behavior of the matter under pressure and raw plant transport were investigated. Coupling these elements allows the representation of the extraction yields according to time in the apparatus. A methodology for the change from batch to continuous extractor based on laboratory tests is proposed. The solid‐liquid extraction of the active principle from raw plant substrate has been studied in a specific continuous countercurrent extractor. A methodology including preliminary laboratory tests is presented in order to ensure its implementation on an industrial scale.