Sanchez-Silva, J. M.; Fonseca-Cantabrana, A.; González-Estrada, R. R.; Blancas-Benitez, F. J. Biosorption of Hexavalent Chromium Using Nanche (Byrsonima Crassifolia L.) by-Product. Renew. Energ. Biomass. Sustain. 2020, 2, 2.