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25 de sept. de 2023 · Pulp washing is a fundamental process in bleaching sequences that takes place in washer equipment and promotes the contact of the pulp suspension stream with the water stream, allowing the dissolved components of the pulp suspension to migrate to the bulk of the solution.
17 de dic. de 2020 · Six produced eucalypt (Eucalyptus globulus) kraft pulps, kraft cooked and ECF/TCF bleached at extreme industrial conditions at the CELBI SA kraft pulp mill (Leirosa, Portugal) were pre-selected to cover all the gamma of typically applied technological conditions.
3 de ene. de 2023 · Production of Biomodified Bleached Kraft Pulp by Catalytic Conversion Using Penicillium verruculosum Enzymes: Composition, Properties, Structure, and Application by Aleksandr R. Shevchenko
Bleached kraft pulp is used mainly in quality printing and writing papers, and unbleached kraft is used to produce linerboard and sack paper. Semi-chemical and chemimechanical pulps typically are used to produce boxboard and sanitary products.
15 de nov. de 2021 · The bleaching sequence with hypochlorous acid, ozone and hydrogen peroxide produced fully bleached pulps, with low organically bound halogens (OX) and aerobically digestible effluents. The bleached pulps and digested effluents complied with international standards for the pulp industry.
1 de sept. de 2011 · Abstract. A modified kraft pulping process has been developed which successfully breaks the traditional hardwood kraft pulp yield barrier. The process produces fully bleached, high brightness...
20 de oct. de 2023 · When 100 g bleached pulp was subjected to this technology route, a high yield of over 80 g cellulose was obtained for both the substrates while simultaneously producing the alkaline and water-soluble XOSs (approximately 10 g).
