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Review | Open Access

Integrated Forest Biorefinery: Value-added Utilization of Dissolved Organics in the Prehydrolysis Liquor of Prehydrolysis Kraft (PHK) Dissolving Pulp Production Process

Bo Yang1, BaoBin Wang1,2, GuanHua Wang1,3, ZhiBin He1( ), YongHao Ni1
Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China
Tianjin Key Laboratory of Pulp and Paper, College of Papermaking Science and Technology, Tianjin University of Science & Technology, Tianjin, 300457, China
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Abstract

The concept of integrated forest biorefineries (IFBRs) has gained significant interest.The prehydrolysis kraft (PHK) dissolving pulp production process is a suitable example of IFBR concept for the production of dissolving pulp and utilization of dissolved hemicelluloses, acetic acid, and lignin in the prehydrolysis liquor (PHL).This review paper highlights recent progress related to the recovery and utilization of dissolved organics (e.g., hemicelluloses, acetic acid, and lignin) in the PHL of the PHK dissolving pulp production process.Integrated multi-step recovery and separation processes have been developed for this purpose to accommodate the complex nature of the PHL.Potential products, including xylan-based compounds, acetic acid, and lignin, are also discussed in detail.

Keywords

PHKprehydrolysislignocellulosic materialbiorefinery

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Paper and Biomaterials
Volume 3 Issue 3,
July 2018
Pages 47-58
DOI: 10.26599/PBM.2018.9260021

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Cite this article:
Yang B, Wang B, Wang G, et al. Integrated Forest Biorefinery: Value-added Utilization of Dissolved Organics in the Prehydrolysis Liquor of Prehydrolysis Kraft (PHK) Dissolving Pulp Production Process. Paper and Biomaterials, 2018, 3(3): 47-58. https://doi.org/10.26599/PBM.2018.9260021

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Received: 07 May 2018
Accepted: 26 May 2018
Published: 01 July 2018
© 2018 Paper and Biomaterials Editorial Board

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)