Almeida, Francine Tatiane Rezende deCarvalho, Megg Madonyk Cota EliasXavier, Amália Luísa PedrosaFerreira, Gabriel Max DiasSilva, Isabela AlmeidaFilgueiras, Jefferson GonçalvesAzevedo, Eduardo Ribeiro deSilva, Luís Henrique Mendes daGil, Laurent FrédéricGurgel, Leandro Vinícius Alves2020-06-102020-06-102019ALMEIDA, F. T. R. et al. Synthesis and application of sugarcane bagasse cellulose mixed esters. Part II: removal of Co2+ and Ni2+ from single spiked aqueous solutions in batch and continuous mode. Journal of Colloid and Interface Science, v. 552, p. 337-350, set. 2019. Disponível em:<https://www.sciencedirect.com/science/article/pii/S0021979719306022>. Acesso em: 10 fev. 2020.0021-9797http://www.repositorio.ufop.br/handle/123456789/12328Sugarcane bagasse cellulose succinate trimellitate (SBST) was prepared by a one-pot synthesis method. The synthesis of this novel mixed ester was investigated by a 23-factorial design. The parameters investigated were time, temperature, and succinic anhydride mole fraction (χSA). The responses evaluated were the adsorption capacity (qCo2+ and qNi2+), weight gain (wg), and number of carboxylic acid groups (nT,COOH). 13C Multiple Cross-Polarization solid-state NMR spectroscopy, 1H NMR relaxometry, and Fourier-transform infrared spectroscopy were used to elucidate the SBST structure. The best SBST reaction conditions were 100 °C, 660 min, and χSA of 0.2, which yielded SBST with a wg of 57.1%, nT,COOH of 4.48 mmol g−1, and qCo2+ and qNi2+ of 0.900 and 0.963 mmol g−1, respectively. The maximum adsorption capacities (Qmax) (pH 5.75, 25 °C) estimated by the Redlich-Peterson model for Co2+ and Ni2+ were 1.16 and 1.29 mmol g−1. The ΔadsH° values for Co2+ and Ni2+ adsorption obtained by isothermal titration calorimetry were 8.03 and 6.94 kJ mol−1. Regeneration and reuse of SBST were investigated and the best conditions applied for fixed-bed column adsorption in five consecutive cycles. SBST was fully desorbed and Qmax values for Co2+ (0.95 mmol g−1) and Ni2+ (1.02 mmol g−1) were estimated using the Bohart-Adams model.en-USrestritoSugarcane bagasse mixed ester13C multiple cross-polarization solid-stateNickelCobaltArtigo publicado em periodicohttps://www.sciencedirect.com/science/article/pii/S0021979719306022https://doi.org/10.1016/j.jcis.2019.05.046