Influence of green solvent on levulinic acid production from lignocellulosic paper waste

Shanta Dutta; Iris K.M. Yu; Daniel C.W. Tsang; Zhishan Su; Changwei Hu; Kevin C.W. Wu; Alex C.K. Yip; Yong Sik Ok; Chi Sun Poon

doi:10.1016/j.biortech.2019.122544

Influence of green solvent on levulinic acid production from lignocellulosic paper waste

Shanta Dutta, Iris K.M. Yu, Daniel C.W. Tsang, Zhishan Su, Changwei Hu, Kevin C.W. Wu, Alex C.K. Yip, Yong Sik Ok, Chi Sun Poon

Research output: Journal article publication › Journal article › Academic research › peer-review

73 Citations (Scopus)

Abstract

Lignocellulosic wastes constitute a significant portion of the municipal solid waste, which should be valorised for the synthesis of value-added chemicals to achieve circular bioeconomy. This study evaluates the use of γ-valerolactone (GVL) and acetone as green co-solvents to produce levulinic acid (LA) from lignocellulosic paper towel waste at different temperatures using dilute H₂SO₄. At the highest reaction temperature (200 °C), H₂O-only system achieved ~15 Cmol% of LA at maximum. while GVL/H₂O and acetone/H₂O co-solvent systems enhanced the depolymerisation of paper towel waste and the subsequent conversion to LA, with the highest yield amounted to ~32 Cmol%. Acetone/H₂O solvent system generated ~17 Cmol% LA at a lower temperature (180 °C), while higher temperature induced polymerisation of soluble sugars and intermediates, hindering further conversion to LA. In contrast, the availability of soluble sugars was higher in the GVL/H₂O system, which favoured the production of LA at higher temperatures.

Original language	English
Article number	122544
Journal	Bioresource Technology
Volume	298
DOIs	https://doi.org/10.1016/j.biortech.2019.122544
Publication status	Published - Feb 2020

Keywords

Lignocellulosic biomass
Paper waste management
Sustainable biorefinery
Waste valorisation
γ-Valerolactone

ASJC Scopus subject areas

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

More information

10.1016/j.biortech.2019.122544

http://hdl.handle.net/10397/101108

Cite this

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title = "Influence of green solvent on levulinic acid production from lignocellulosic paper waste",

abstract = "Lignocellulosic wastes constitute a significant portion of the municipal solid waste, which should be valorised for the synthesis of value-added chemicals to achieve circular bioeconomy. This study evaluates the use of γ-valerolactone (GVL) and acetone as green co-solvents to produce levulinic acid (LA) from lignocellulosic paper towel waste at different temperatures using dilute H2SO4. At the highest reaction temperature (200 °C), H2O-only system achieved ~15 Cmol% of LA at maximum. while GVL/H2O and acetone/H2O co-solvent systems enhanced the depolymerisation of paper towel waste and the subsequent conversion to LA, with the highest yield amounted to ~32 Cmol%. Acetone/H2O solvent system generated ~17 Cmol% LA at a lower temperature (180 °C), while higher temperature induced polymerisation of soluble sugars and intermediates, hindering further conversion to LA. In contrast, the availability of soluble sugars was higher in the GVL/H2O system, which favoured the production of LA at higher temperatures.",

keywords = "Lignocellulosic biomass, Paper waste management, Sustainable biorefinery, Waste valorisation, γ-Valerolactone",

author = "Shanta Dutta and Yu, {Iris K.M.} and Tsang, {Daniel C.W.} and Zhishan Su and Changwei Hu and Wu, {Kevin C.W.} and Yip, {Alex C.K.} and Ok, {Yong Sik} and Poon, {Chi Sun}",

note = "Funding Information: The authors appreciate the financial support from the Hong Kong Research Grants Council ( PolyU 15217818 ) and Hong Kong International Airport Environmental Fund (Phase 2), and gratefully acknowledge the support of the University Research Facility on Chemical and Environmental Analysis (URFCE) of PolyU , Hong Kong. Appendix A Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

year = "2020",

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doi = "10.1016/j.biortech.2019.122544",

language = "English",

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AU - Tsang, Daniel C.W.

AU - Su, Zhishan

AU - Hu, Changwei

AU - Wu, Kevin C.W.

AU - Yip, Alex C.K.

AU - Ok, Yong Sik

AU - Poon, Chi Sun

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PY - 2020/2

Y1 - 2020/2

N2 - Lignocellulosic wastes constitute a significant portion of the municipal solid waste, which should be valorised for the synthesis of value-added chemicals to achieve circular bioeconomy. This study evaluates the use of γ-valerolactone (GVL) and acetone as green co-solvents to produce levulinic acid (LA) from lignocellulosic paper towel waste at different temperatures using dilute H2SO4. At the highest reaction temperature (200 °C), H2O-only system achieved ~15 Cmol% of LA at maximum. while GVL/H2O and acetone/H2O co-solvent systems enhanced the depolymerisation of paper towel waste and the subsequent conversion to LA, with the highest yield amounted to ~32 Cmol%. Acetone/H2O solvent system generated ~17 Cmol% LA at a lower temperature (180 °C), while higher temperature induced polymerisation of soluble sugars and intermediates, hindering further conversion to LA. In contrast, the availability of soluble sugars was higher in the GVL/H2O system, which favoured the production of LA at higher temperatures.

AB - Lignocellulosic wastes constitute a significant portion of the municipal solid waste, which should be valorised for the synthesis of value-added chemicals to achieve circular bioeconomy. This study evaluates the use of γ-valerolactone (GVL) and acetone as green co-solvents to produce levulinic acid (LA) from lignocellulosic paper towel waste at different temperatures using dilute H2SO4. At the highest reaction temperature (200 °C), H2O-only system achieved ~15 Cmol% of LA at maximum. while GVL/H2O and acetone/H2O co-solvent systems enhanced the depolymerisation of paper towel waste and the subsequent conversion to LA, with the highest yield amounted to ~32 Cmol%. Acetone/H2O solvent system generated ~17 Cmol% LA at a lower temperature (180 °C), while higher temperature induced polymerisation of soluble sugars and intermediates, hindering further conversion to LA. In contrast, the availability of soluble sugars was higher in the GVL/H2O system, which favoured the production of LA at higher temperatures.

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KW - Waste valorisation

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Influence of green solvent on levulinic acid production from lignocellulosic paper waste

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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