Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass
Tuomikoski, S., Kupila, R., Romar, H., Bergna, D., Kangas, T., Runtti, H., & Lassi, U. (2019). Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass. Applied Sciences, 9(21), Article 4583. https://doi.org/10.3390/app9214583
Published inApplied Sciences
© 2019 by the authors
Sawdust was used as a precursor for the production of biomass-based activated carbon. Carbonization and activation are single-stage processes, and steam was used as a physical activation agent at 800 °C. The adsorption capacity towards zinc was tested, and the produced activated carbon proved effective and selectively adsorbent. The effects of pH, initial concentration, adsorbent dosage, time, temperature, and regeneration cycles were tested. The adsorption capacity obtained in this study was compared favorably to that of the materials reported in the literature. Several isotherms were applied to describe the experimental results, with the Sips isotherm having the best fit. Kinetic studies showed that the adsorption follows the Elovich kinetic model.
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Related funder(s)Regional Council of Central Ostrobothnia
Funding program(s)ERDF European Regional Development Fund, React-EU
Additional information about fundingThis work was done under the auspices of the Waterpro (ERDF project number: A74635, funded by the Central Ostrobothnia Regional Council). The author thanks Maa-ja Vesitekniikan Tuki Ry for the financial support
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