Experimental Investigation of Reactive Extraction of Levulinic Acid from Aqueous Solutions

reactive extraction Chemical engineering number of theoretical stages diffusivity TP155-156 levulinic acid 02 engineering and technology aqueous solution 0210 nano-technology 01 natural sciences 6. Clean water 0104 chemical sciences
DOI: 10.15255/cabeq.2021.2031 Publication Date: 2022-01-18T05:24:05Z
ABSTRACT
The separation of levulinic acid from aqueous solutions is costly and non-ecofriendly in many cases. The major concerns are the low concentration of levulinic acid in fermentation broths and industrial downstreams. In this study, reactive extraction of levulinic acid from aqueous phase is proposed and its efficacy was investigated. Various extractants viz. tri-n-butyl phosphate, trioctylamine, and trioctylmethylammonium chloride along with i-octanol as a diluent were used. The extent of separation was investigated and various performance parameters like extraction efficiency, distribution coefficient, equilibrium complexation constant, and loading ratio were estimated. The number of transfer units, diffusivity, and mass transfer considerations were also discussed in the reactive separation system. Finally, the conceptual method was provided for the separation of levulinic acid using efficient reactive separation.
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