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Study of the lignin incorporation in filtrating cellulose acetate membranes aiming the removal of heavy metal ions

Grant number: 12/15100-8
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2012
Effective date (End): September 30, 2013
Field of knowledge:Engineering - Chemical Engineering - Chemical Technology
Principal researcher:Adilson Roberto Gonçalves
Grantee:Guilherme Gonçalves de Godoy
Home Institution: Escola de Engenharia de Lorena (EEL). Universidade de São Paulo (USP). Lorena , SP, Brazil


This project deals with the study of the introduction of lignin in cellulose acetate membranes obtained from sugarcane bagasse cellulose, aiming the removal of heavy metals. Three types of membranes will be produced: without lignin incorporation, with natural lignin and with oxidized lignin. For the membranes production, the phase inversion technique will be employed. For the incorporation of lignin, the better process conditions will be studied. Membranes will be characterized and tested at flow and permeability properties to find the better conditions in respect to time and pressure. After the optimization, the membranes will be tested at ions removal (Cu+2, Pb+2 and Cd+2) by using reverse osmosis. (AU)

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