In this work, a backmixing-diffusion model was developed for continuous countercurrent extraction process. Various parameters/factors influenced the extraction were investigated for juice extraction. Important parameters/factors studied were solid to liquid ratio, solid retention time, extraction temperature, external resistance to mass transfer, size and shape of solid materials and degree of backmixing for solid and liquid phase. For juice extraction from pineapple, apple and pear, it was found that the backmixing-diffusion concept can be used through the whole range of operation time. The model could predict the concentration profile well for both unsteady state period and steady state one. The simulation was successful for juice extraction process.
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Mathematical Simulation of Solid-Liquid Diffusion in Continuous Countercurrrent Extraction Process, Part II - Modeling Verification and Its Application
1Walailak University, rwaigoon@wu.ac.th
2Prince of Songkla University, chakrit.t@psu.ac.th
3Walailak University, schairat@wu.ac.th
Citation Information: International Journal of Chemical Reactor Engineering. Volume 8, Issue 1, Pages –, ISSN (Online) 1542-6580, DOI: 10.2202/1542-6580.2271, July 2010
Publication History:
- Published Online:
- 2010-07-11
Keywords: countercurrent extraction; solid-liquid diffusion; mathematical simulation; modeling verification; application; juice extraction
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