Characterization and Application of Calotropis Procera Fiber as a Sustainable Filter for Oil Removal from Aqueous Emulsion - Eduardo Perini Muniz; Lucas Prandi Coutinho; Odilon Junio Gonçalves de Oliveira; Marla Almeida Siqueira; Paulo Sérgio da Silva Porto; Edson Caetano Passamani; José Rafael Capua Proveti; Cleocir José Dalmaschio (ACS Omega)