Enzymatic upgrade of old paperboard containers

H. Pala, M. Adilia Lemos, M. Mota, F. M. Gama

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

The use of enzymes in secondary fiber (old paperboard containers) upgrading was investigated. The following aspects were analyzed: (i) the effect of several enzymes and (non-hydrolytic) cellulose-binding domains on the pulp and paper properties; (ii) factors influencing enzymatic treatment of secondary fiber: enzyme dosage and reaction time; and (iii) enzyme action on fractions with different fiber-length. In general, all the tested enzymatic preparations were able to improve the pulp drainability. In most cases this improvement was obtained at the expense of paper strength. The use of cellulose-binding domains allowed for the simultaneous increase in drainability and strength properties.
Original languageEnglish
Pages (from-to)274-279
Number of pages6
JournalEnzyme and Microbial Technology
Volume29
Issue number4-5
DOIs
Publication statusPublished - 2001

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