A review on potential of green solvents in hydrothermal liquefaction (HTL) of lignin

Chung Loong Yiin; Elatta Bin Odita; Serene Sow Mun Lock; Kin Wai Cheah; Yi Herng Chan; Mee Kee Wong; Bridgid Lai Fui Chin; Armando T. Quitain; Soh Kheang Loh; Suzana Yusup

doi:10.1016/j.biortech.2022.128075

A review on potential of green solvents in hydrothermal liquefaction (HTL) of lignin

Chung Loong Yiin, Elatta Bin Odita, Serene Sow Mun Lock, Kin Wai Cheah, Yi Herng Chan, Mee Kee Wong, Bridgid Lai Fui Chin, Armando T. Quitain, Soh Kheang Loh, Suzana Yusup

SCEDT Engineering

Research output: Contribution to journal › Review article › peer-review

Abstract

One of the greatest challenges in biorefinery is to reduce biomass’ recalcitrance and enable valorization of lignin into higher value compounds. Likewise, green solvents and hydrothermal liquefaction (HTL) with feasible economic viability, functionality, and environmental sustainability have been widely introduced in extraction and conversion of lignin. This review starts with the underscore of disadvantages and limitations of conventional pretreatment approaches and role of green solvents in lignin extraction. Subsequently, the effect of process parameters along with the reaction mechanisms and kinetics on conversion of lignin through HTL were comprehensively reviewed. The limitations of green solvents in extraction and HTL of lignin from biomass were discussed based on the current advancements of the field and future research scopes were also proposed. More details info on HTL of biomass derived lignin which avoid the energy-intensive drying procedures are crucial for the accelerated development and deployment of the advanced lignin biorefinery.

Original language	English
Article number	128075
Journal	Bioresource Technology
Volume	364
Early online date	8 Oct 2022
DOIs	https://doi.org/10.1016/j.biortech.2022.128075 https://doi.org/10.1016/j.biortech.2022.128075
Publication status	Published - 1 Nov 2022

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© 2022 Elsevier Ltd

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Yiin, C. L., Odita, E. B., Mun Lock, S. S., Cheah, K. W., Chan, Y. H., Wong, M. K., Chin, B. L. F., Quitain, A. T., Loh, S. K., & Yusup, S. (2022). A review on potential of green solvents in hydrothermal liquefaction (HTL) of lignin. Bioresource Technology, 364, Article 128075. https://doi.org/10.1016/j.biortech.2022.128075, https://doi.org/10.1016/j.biortech.2022.128075

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abstract = "One of the greatest challenges in biorefinery is to reduce biomass{\textquoteright} recalcitrance and enable valorization of lignin into higher value compounds. Likewise, green solvents and hydrothermal liquefaction (HTL) with feasible economic viability, functionality, and environmental sustainability have been widely introduced in extraction and conversion of lignin. This review starts with the underscore of disadvantages and limitations of conventional pretreatment approaches and role of green solvents in lignin extraction. Subsequently, the effect of process parameters along with the reaction mechanisms and kinetics on conversion of lignin through HTL were comprehensively reviewed. The limitations of green solvents in extraction and HTL of lignin from biomass were discussed based on the current advancements of the field and future research scopes were also proposed. More details info on HTL of biomass derived lignin which avoid the energy-intensive drying procedures are crucial for the accelerated development and deployment of the advanced lignin biorefinery.",

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doi = "10.1016/j.biortech.2022.128075",

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AU - Yiin, Chung Loong

AU - Odita, Elatta Bin

AU - Mun Lock, Serene Sow

AU - Cheah, Kin Wai

AU - Chan, Yi Herng

AU - Wong, Mee Kee

AU - Chin, Bridgid Lai Fui

AU - Quitain, Armando T.

AU - Loh, Soh Kheang

AU - Yusup, Suzana

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AB - One of the greatest challenges in biorefinery is to reduce biomass’ recalcitrance and enable valorization of lignin into higher value compounds. Likewise, green solvents and hydrothermal liquefaction (HTL) with feasible economic viability, functionality, and environmental sustainability have been widely introduced in extraction and conversion of lignin. This review starts with the underscore of disadvantages and limitations of conventional pretreatment approaches and role of green solvents in lignin extraction. Subsequently, the effect of process parameters along with the reaction mechanisms and kinetics on conversion of lignin through HTL were comprehensively reviewed. The limitations of green solvents in extraction and HTL of lignin from biomass were discussed based on the current advancements of the field and future research scopes were also proposed. More details info on HTL of biomass derived lignin which avoid the energy-intensive drying procedures are crucial for the accelerated development and deployment of the advanced lignin biorefinery.

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VL - 364

JO - Bioresource Technology

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A review on potential of green solvents in hydrothermal liquefaction (HTL) of lignin

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