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- Title
Possible alternatives for using kraft lignin as activated carbon in pulp mills – a review.
- Authors
Condezo Castro, Tatiana Aurora; Cardoso, Marcelo; Passos Rezende, Ana Augusta; Oliveira Carneiro, Angélica de Cássia; Quartaroli, Larissa; Mudadu Silva, Cláudio
- 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.
- Subjects
PULP mills; ACTIVATED carbon; SULFATE waste liquor; LIGNINS; SULFATE pulping process
- Publication
Nordic Pulp & Paper Research Journal, 2023, Vol 38, Issue 2, p209
- ISSN
0283-2631
- Publication type
Article
- DOI
10.1515/npprj-2022-0099