Catechyl lignin extracted from candlenut by biphasic 2-methyltetrahydrofuran/water: Characterization and depolymerization

Yin, Wen-Zheng; Zou, Shuang-Lin; Xiao, Ling-Ping; Sun, Run-Cang

doi:10.1016/j.ces.2024.119828

Chemical Engineering Science

2024

DOI: 10.1016/j.ces.2024.119828

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Catechyl lignin extracted from candlenut by biphasic 2-methyltetrahydrofuran/water: Characterization and depolymerization

Wen-Zheng Yin,

Shuang-Lin Zou,

Ling-Ping Xiao

et al.

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2024

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Cited by 3 publications

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Tough and biodegradable C-lignin cross-linked polyvinyl alcohol supramolecular composite films with closed-looping recyclability

Gui,

Xiao,

Zou

et al. 2024

Chemical Engineering Journal

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Tough and biodegradable C-lignin cross-linked polyvinyl alcohol supramolecular composite films with closed-looping recyclability

Gui,

Xiao,

Zou

et al. 2024

Chemical Engineering Journal

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Boosting catalytic activity of Ni/ZrO2 by introducing MoO3 on selective hydrogenolysis of lignin

Shu,

Long,

Chen

et al. 2024

Chemical Engineering Science

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Transformation of Lignin Under Protection Strategies: Catalytic Oxidation and Depolymerization by Polyoxometalates Catalysts

Ma,

2024

Polymers

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The efficient utilization of lignin, a pivotal component of lignocellulosic biomass, is crucial for advancing sustainable biorefinery processes. However, optimizing lignin valorization remains challenging due to its intricate structure and susceptibility to undesirable reactions during processing. In this study, we delve into the impact of various pretreatment agents on birch lignin, aiming to enhance its catalytic oxidation and depolymerization under polyoxometalates (POMs) catalysis. Our results reveal that pretreatment with formaldehyde effectively safeguards aryl ether linkages in lignin, leading to a notable increase in aromatic compound yields under POMs catalysis. Furthermore, gel permeation chromatography (GPC) analysis underscores the inhibition of aryl ether linkage hydrolysis upon formaldehyde addition. Gas chromatography–mass spectrometry (GC–MS) analysis demonstrates that formaldehyde pretreatment boosts lignin monomer yield by 2 to 3 times compared to untreated lignin, underscoring the effectiveness of tailored pretreatment strategies. This research underscores the significance of adopting rational pretreatment methods to advance lignin valorization pathways catalyzed by POMs, thereby contributing to the evolution of sustainable biomass conversion technologies.

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Catechyl lignin extracted from candlenut by biphasic 2-methyltetrahydrofuran/water: Characterization and depolymerization

Cited by 3 publications

References 45 publications

Tough and biodegradable C-lignin cross-linked polyvinyl alcohol supramolecular composite films with closed-looping recyclability

Tough and biodegradable C-lignin cross-linked polyvinyl alcohol supramolecular composite films with closed-looping recyclability

Boosting catalytic activity of Ni/ZrO2 by introducing MoO3 on selective hydrogenolysis of lignin

Transformation of Lignin Under Protection Strategies: Catalytic Oxidation and Depolymerization by Polyoxometalates Catalysts

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