Thue P. S., Lima D. R., Lima E. C., Teixeira R. A., Dos Reis G. S., Dias S. L. P., Machado F. M. Comparative studies of physicochemical and adsorptive properties of biochar materials from biomass using different zinc salts as activating agents. 2022. Journal of Environmental Chemical Engineering. 10. 3. 107632. 10.1016/j.jece.2022.107632