Column reactors in fluidized bed configuration as intensification system for xylitol and ethanol production from napier grass (pennisetum purpureum) - Antunes, Felipe Antônio Fernandes; Machado, Paula Eduarda Moda; Rocha, Thiago Moura; Melo, Yasmin Cristhine de Souza; Santos, Julio Cesar dos; Silva, Silvio Silverio da (Chemical engineering and processing, 2024)