Adsorption Behaviour of Lactic Acid on Granular Activated Carbon and Anionic Resins: Thermodynamics, Isotherms and Kinetic Studies
Creators
- 1. Department of Biology
- 2. UNESCO-IHE Institute for Water Education
- 3. National Research Council
- 4. Consiglio Nazionale delle Ricerche
- 5. Pegaso Telematic University
- 6. University of Cassino
Description
Solid-liquid extraction (adsorption or ion exchange) is a promising approach for the in situ separation of organic acids from fermentation broths. In this study, a diluted concentration of lactic acid ( 0.96) and the pseudo-second order kinetic model (R2 ~ 1) fitted better to the experimental data than the other models tested. Postulating the conditions for the real fermentation broth (pH: 5.0–6.5 and temperature: 30–80 °C), the resin AMB400 represents an ideal candidate for the extraction of lactic acid during fermentation.
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References
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