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Utilization of Calcium Carbonate-Coated Wood Flour in Printing Paper and Their Conservational Properties

Sustainability, 2019-04, Vol.11 (7), p.1867 [Peer Reviewed Journal]

2019. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2071-1050 ;EISSN: 2071-1050 ;DOI: 10.3390/su11071867

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  • Title:
    Utilization of Calcium Carbonate-Coated Wood Flour in Printing Paper and Their Conservational Properties
  • Author: Seo, Yung ; Kang, Dong ; Han, Jung
  • Subjects: Aging ; Bleaching ; Brightness ; Calcium ; Calcium carbonate ; Carbon dioxide ; Conflicts of interest ; Feasibility studies ; Lignocellulose ; Methods ; Organic chemistry ; Production costs ; Pulp ; Pulp & paper industry ; Pulp & paper mills ; Smoothness ; Sustainability
  • Is Part Of: Sustainability, 2019-04, Vol.11 (7), p.1867
  • Description: Wood flours (WFs) are bulky lignocellulosic materials that can increase the bulk and stiffness of paper. To be used in printing paper for replacing chemical pulp, WFs were first fractionated by a 200-mesh screen to improve smoothness; second, they were coated with calcium carbonate by an in-situ CaCO3 formation method (coated wood flours, CWFs) to improve brightness. The performance of CWFs for printing paper was compared to those of bleached wood flours (BWFs) and bleached chemical pulp. Equivalent brightness and much higher smoothness were obtained for the CWFs compared to the BWFs. Furthermore, BWFs caused a significant loss of yield and required wastewater treatment in the bleaching process, while the CWFs increased the yield greatly by attaching CaCO3 to the wood flours, and caused no wastewater burden. An accelerated aging test showed that the CWFs caused lesser brightness and strength loss than the bleached chemical pulp and BWFs. CWFs still had room for improvement to replace chemical pulp, but showed slower aging in optical and close strength properties.
  • Publisher: Basel: MDPI AG
  • Language: English
  • Identifier: ISSN: 2071-1050
    EISSN: 2071-1050
    DOI: 10.3390/su11071867
  • Source: Geneva Foundation Free Medical Journals at publisher websites
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
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