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Article

Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass

1
Research Unit of Sustainable Chemistry, University of Oulu, P.O. Box 4300, FI-90014 Oulu, Finland
2
Unit of Applied Chemistry, Kokkola University Consortium Chydenius, University of Jyvaskylä, Talonpojankatu 2B, FI-67100 Kokkola, Finland
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(21), 4583; https://doi.org/10.3390/app9214583
Received: 2 October 2019 / Revised: 21 October 2019 / Accepted: 22 October 2019 / Published: 28 October 2019
(This article belongs to the Special Issue New Carbon Materials from Biomass and Their Applications)
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. View Full-Text
Keywords: lignocellulosic biomass; adsorption; carbonization; adsorbent; zinc; regeneration lignocellulosic biomass; adsorption; carbonization; adsorbent; zinc; regeneration
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MDPI and ACS Style

Tuomikoski, S.; Kupila, R.; Romar, H.; Bergna, D.; Kangas, T.; Runtti, H.; Lassi, U. Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass. Appl. Sci. 2019, 9, 4583. https://doi.org/10.3390/app9214583

AMA Style

Tuomikoski S, Kupila R, Romar H, Bergna D, Kangas T, Runtti H, Lassi U. Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass. Applied Sciences. 2019; 9(21):4583. https://doi.org/10.3390/app9214583

Chicago/Turabian Style

Tuomikoski, Sari, Riikka Kupila, Henrik Romar, Davide Bergna, Teija Kangas, Hanna Runtti, and Ulla Lassi. 2019. "Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass" Applied Sciences 9, no. 21: 4583. https://doi.org/10.3390/app9214583

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