Possible alternatives for using kraft lignin as activated carbon in pulp mills – a review

Author:

Condezo Castro Tatiana Aurora1ORCID,Cardoso Marcelo2,Passos Rezende Ana Augusta3,Oliveira Carneiro Angélica de Cássia1,Quartaroli Larissa3,Mudadu Silva Cláudio1

Affiliation:

1. Department of Forest Engineering , Universidade Federal de Viçosa , Avenida P. H. Rolfs, sem número Campus Viçosa , Viçosa , Minas Gerais , 36570-900 , Brazil

2. Department of Chemical Engineering , Universidade Federal de Minas Gerais , , Pampulha , Belo Horizonte , , Brazil

3. Department of Civil Engineering , Universidade Federal de Viçosa , , Viçosa, Minas Gerais , , Brazil

Abstract

Abstract The uses of kraft lignin (KL), obtained from the black liquor (BL) in the pulping process, allow the production of activated carbon (AC), a product with high added value in the pulp mill. The AC can be used in three different sectors in a cellulose pulp mill: sectorial treatment of the cellulosic pulp bleaching filtrates; wastewater treatment; and in the treatment of water received by the mill. Thus, this article considers the steps in the production of AC, their types, and the advantages and challenges of its use in the kraft cellulose pulp mill as well as in other industries.

Publisher

Walter de Gruyter GmbH

Subject

General Materials Science,Forestry

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