| Integrated Forest Biorefinery: Value-added Utilization of Dissolved Organics in the Prehydrolysis Liquor of Prehydrolysis Kraft (PHK) Dissolving Pulp Production Process |
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| Author Name | Affiliation | | Bo Yang1 | 1. Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada | | BaoBin Wang1,2 | 1. Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada
2. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China | | GuanHua Wang1,3 | 1. Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada
3. Tianjin Key Laboratory of Pulp and Paper, College of Papermaking Science and Technology, Tianjin University of Science & Technology, Tianjin, 300457, China | | ZhiBin He1,* | 1. Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada | | YongHao Ni1 | 1. Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada |
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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:PHK prehydrolysis lignocellulosic material biorefinery |
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