Vale S.a.

Universidade Federal Do Espirito Santo

Jeferson Da Silva Correa

Leonidio Stegmiller

Reinaldo Walmir De Jesus

Patricia Machado Bueno Fernandes

Antonio Alberto Ribeiro Fernandes

Poliana Belisário Zorzal

Marlon Christian Marianelli Bastos

Liliane Durans De Moraes Costa

Erica Dutra Albuquerque

Jose Antonino Alves E Silva Reis

Mauricio Kuster Cunha

An advantageous and effective process for obtaining carboxymethyl cellulose (CMC) from agro-industrial residues, comprising the steps of a) Preparing the raw material, wherein the raw material is washed, dried, grounded and washed again; b) a pumping step, wherein the product obtained from the step a) is reacted with sodium hydroxide; c) a synthesis step, wherein consists in grounding the pulp; adding a solution of isopropanol and distilled water under stirring at room temperature; adding NaOH aqueous solution up to the alkalization of the mixture; adding monochloroacetic acid in isopropanol; filtrating; suspending in methanol solution and neutralizing with acetic acid. The CMC obtained from the process can be employed in a several industrial processes.

Process for obtaining carboxymethyl cellulose from agro-industrial residues and carboxymethyl cellulose and use thereof

Growing community of inventors

Boa Esperança Seropédica, Brazil

Jeferson Da Silva Correa