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Valorisation of Underutilized Grass Fibre (Stem) as a Potential Material for Paper Production

Polymers, 2022-11, Vol.14 (23), p.5203 [Peer Reviewed Journal]

COPYRIGHT 2022 MDPI AG ;2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2022 by the authors. 2022 ;ISSN: 2073-4360 ;EISSN: 2073-4360 ;DOI: 10.3390/polym14235203 ;PMID: 36501601

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  • Title:
    Valorisation of Underutilized Grass Fibre (Stem) as a Potential Material for Paper Production
  • Author: Lee, Chuan Li ; Chin, Kit Ling ; H'ng, Paik San ; Hafizuddin, Mohd Sahfani ; Khoo, Pui San
  • Subjects: alkaline pre-treatment ; Biodiesel fuels ; Biofuels ; Biomass ; Cellulose ; chemical pulping ; Ethanol ; Fiber optic networks ; grass fibre ; Grasses ; Laboratories ; Lignin ; mechanical pulping ; Napier grass ; Paper industry ; Pollutants ; Pretreatment ; Production data ; Pulp & paper industry ; Pulping ; Sugarcane ; Water shortages
  • Is Part Of: Polymers, 2022-11, Vol.14 (23), p.5203
  • Description: An integrated and feasible approach was proposed using the underutilized grass fibre (stem) derived from Napier grass and sugarcane for paper production in this study. To enhance paper strength, pre-hydrolysis and beating techniques have been used to improve the chemical pulps and mechanical pulping process, respectively. Napier grass and sugarcane are promising non-wood sources for pulp production, owing to their high cellulose and low lignin and extractive content. With the additional mild alkaline pre-treatment to the mechanical pulping process, the lignin content was greatly reduced. The results reveal that the mechanical pulping with alkaline pre-treatment may indeed potentially replace the most prevalent pulping process (chemical pulping). As evidenced by the paper strength properties, mechanical pulping is far more suitable for grass-type biomass, particularly Napier grass, which had a folding endurance capability five times greater than chemical pulping. Furthermore, the remaining high hemicellulose content from mechanical pulping contributed to a high pulp yield, while also facilitating the fibrillation on the sugarcane's laboratory paper handsheet. The findings also demonstrated that the additional beating process from chemical pulping causes the fibres to be drawn toward each other, resulting in a more robust fibre network that contributes to good paper strength. Consequently, this work sheds new light on the development of advanced paper derived from grass fibre.
  • Publisher: Switzerland: MDPI AG
  • Language: English
  • Identifier: ISSN: 2073-4360
    EISSN: 2073-4360
    DOI: 10.3390/polym14235203
    PMID: 36501601
  • Source: Open Access: DOAJ Directory of Open Access Journals
    Open Access: PubMed Central
    Geneva Foundation Free Medical Journals at publisher websites
    AUTh Library subscriptions: ProQuest Central
    ROAD: Directory of Open Access Scholarly Resources
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