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THE PRODUCTION OF BLEACHED HARDWOOD KRAFT MARKET PULP UTILIZING CORYMBIA SPP. WOOD
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Forestry innovation in wood quality seeks to enhance pulp and paper industry performance, particularly in the production of bleached hardwood kraft pulp (BHKP), by reducing operating costs through lower specific wood consumption (SWC) and decreased bleaching chemical demand. In this study, 16 clones of Eucalyptus spp. and Corymbia spp., developed by Aperam BioEnergia Co., were initially evaluated and ranked, with the top six selected for further analysis. The objective was to assess their performance during the bleaching stage of kraft pulping. Pulp quality was determined based on intrinsic viscosity, brightness, and chemical composition. The hybrid ID 3 (Corymbia citriodora × Corymbia torelliana) showed superior performance, achieving 93.0% ISO brightness, 54.8% oxygen delignification efficiency, an S/G ratio of 3.62, and xylan content of 16.4%. It also presented the highest intrinsic viscosity (912.5 dm³/kg), indicating its strong potential for industrial application.
Title: THE PRODUCTION OF BLEACHED HARDWOOD KRAFT MARKET PULP UTILIZING CORYMBIA SPP. WOOD
Description:
Forestry innovation in wood quality seeks to enhance pulp and paper industry performance, particularly in the production of bleached hardwood kraft pulp (BHKP), by reducing operating costs through lower specific wood consumption (SWC) and decreased bleaching chemical demand.
In this study, 16 clones of Eucalyptus spp.
and Corymbia spp.
, developed by Aperam BioEnergia Co.
, were initially evaluated and ranked, with the top six selected for further analysis.
The objective was to assess their performance during the bleaching stage of kraft pulping.
Pulp quality was determined based on intrinsic viscosity, brightness, and chemical composition.
The hybrid ID 3 (Corymbia citriodora × Corymbia torelliana) showed superior performance, achieving 93.
0% ISO brightness, 54.
8% oxygen delignification efficiency, an S/G ratio of 3.
62, and xylan content of 16.
4%.
It also presented the highest intrinsic viscosity (912.
5 dm³/kg), indicating its strong potential for industrial application.
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