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- W3213664091 endingPage "102442" @default.
- W3213664091 startingPage "102442" @default.
- W3213664091 abstract "Furfural presence in fermentation culture media provokes an inhibition effect in yeast growth. In fact, is a key toxin in lignocellulosic hydrolyzates. This research work attempts to analyze the use of olive endocarp (OE) as adsorbent to remove furfural from aqueous solutions. The adsorption experimental sets studied the effect of particle size, agitation speed, adsorbent load, temperature, and initial furfural concentration. As results, higher adsorption percentages were observed when fragmented OE was smaller than 1.2 mm, agitation speed in the range 80–250 rpm, and the adsorbent load was 90 g OE/300 cm 3 of furfural solution (1 g dm −3 ). The equilibrium adsorption capacities, q e , values were varied from 0.270 to 4.750 mg g −1 for initial furfural concentrations of 0.78 g dm −3 to 5.89 g dm −3 . The adsorption data fit to pseudo-second order kinetic model showed good fit values (R 2 ≥ 0.997, SE ≤ 5%). Dubinin-Radushkevich (DR) model was considered as the best fit (R 2 = 0.999, SE = 2.95%) for the different studied isotherms. An adsorption free energy value of 896 J mol −1 indicated a physical adsorption mechanism. Remarkable increases in furfural adsorption percentages have been achieved submitting natural olive endocarps to acid treatments. • Valorization of OE as bioadsorbent for the removal of furfural has been proposed • Adsorption curves were well-fitted to a pseudo-second order kinetic model • Dubinin-Radushkevich isotherm model adjusted experimental data • Increases in % of adsorption have been achieved submitting NOE to acid treatments" @default.
- W3213664091 created "2021-11-22" @default.
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- W3213664091 date "2021-12-01" @default.
- W3213664091 modified "2023-10-15" @default.
- W3213664091 title "Valorization of olive endocarp from olive oil and table olive processing as a low-cost bioadsorbent for the removal of furfural from aqueous solutions" @default.
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- W3213664091 doi "https://doi.org/10.1016/j.jwpe.2021.102442" @default.
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