Rapid and Complete Dissolution of Softwood Biomass in Tetra-n-butylphosphonium Hydroxide with Hydrogen Peroxide

Yamada, H.; Miyafuji, Hisashi; Ohno, Hiroyuki; Yamada, Takatoshi

doi:10.15376/biores.12.3.4515-4526

Cited by 6 publications

(6 citation statements)

References 16 publications

(24 reference statements)

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“…Ionic liquids (and ionic liquid-based mixtures) have been extensively studied for their application in pretreatments for the deconstruction and fractionation of lignocellulosic biomass [136][137][138]. Most cases are based on the selective dissolution of cellulose [139][140][141][142][143] or lignin [144][145][146][147], but attempts to dissolve the whole lignocellulosic biomass have been carried out as well [148][149][150][151]. Nevertheless, in most cases, a solid residue was left at the end of the dissolution experiment and even the studies that reported complete dissolution of biomass stated that their solutions were hazy and non-uniform [152].…”

Section: Pretreatment Of Lignocellulosic Biomass For Hemicellulose Vamentioning

confidence: 99%

A Bibliometric Study of Scientific Publications regarding Hemicellulose Valorization during the 2000–2016 Period: Identification of Alternatives and Hot Topics

Abejón

2018

ChemEngineering

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A bibliometric analysis of the Scopus database was carried out to identify the research trends related to hemicellulose valorization from 2000 to 2016. The results from the analysis revealed an increasing number of annual publications, a high degree of transdisciplinary collaboration and prolific contributions by European researchers on this topic. The importance of a holistic approach to consider the simultaneous valorization of the three main components of lignocellulosic biomass (cellulose, hemicellulose and lignin) must be highlighted. Optimal pretreatment processes are critical for the correct fractionation of the biomass and the subsequent valorization. On the one hand, biological conversion of sugars derived from hemicellulose can be employed for the production of biofuel (ethanol) or chemicals such as 2,3-butadiene, xylitol and lactic acid. On the other hand, the chemical transformation of these sugars produces furfural, 5-hydroxyfurfural and levulinic acid, which must be considered very important starting blocks for the synthesis of organic derivatives.

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Section: Pretreatment Of Lignocellulosic Biomass For Hemicellulose Vamentioning

confidence: 99%

A Bibliometric Study of Scientific Publications regarding Hemicellulose Valorization during the 2000–2016 Period: Identification of Alternatives and Hot Topics

Abejón

2018

ChemEngineering

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“…The dissolution of lignocellulosic biomass in ILs has been extensively investigated [136]. Although the complete dissolution of the whole biomass has been tested [137,138], the selective dissolution of its components has been more frequently proposed. Several ILs have demonstrated their effectiveness for lignin dissolution [139], but imidazolium-based ILs appear as the most representative examples [140][141][142][143][144][145][146][147][148][149].…”

Section: Properties Kraft Lignin Lignosulfonate Soda Ligninmentioning

confidence: 99%

Alternatives for Chemical and Biochemical Lignin Valorization: Hot Topics from a Bibliometric Analysis of the Research Published During the 2000–2016 Period

2018

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A complete bibliometric analysis of the Scopus database was performed to identify the research trends related to lignin valorization from 2000 to 2016. The results from this analysis revealed an exponentially increasing number of publications and a high relevance of interdisciplinary collaboration. The simultaneous valorization of the three main components of lignocellulosic biomass (cellulose, hemicellulose, and lignin) has been revealed as a key aspect and optimal pretreatment is required for the subsequent lignin valorization. Research covers the determination of the lignin structure, isolation, and characterization; depolymerization by thermal and thermochemical methods; chemical, biochemical and biological conversion of depolymerized lignin; and lignin applications. Most methods for lignin depolymerization are focused on the selective cleavage of the β-O-4 linkage. Although many depolymerization methods have been developed, depolymerization with sodium hydroxide is the dominant process at industrial scale. Oxidative conversion of lignin is the most used method for the chemical lignin upgrading. Lignin uses can be classified according to its structure into lignin-derived aromatic compounds, lignin-derived carbon materials and lignin-derived polymeric materials. There are many advances in all approaches, but lignin-derived polymeric materials appear as a promising option.

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“…The use of hydroxyl group functionalized basic ionic liquids have enabled the separation of lignin and carbohydrates from softwood biomass . In these experiments tetra‐n‐butylphosphonium hydroxide in aqueous solutions have been used as the pretreatment reagent at 121 °C and 2 atm.…”

Section: Ionic Liquids In Biomass Pretreatmentmentioning

confidence: 99%

“…In these experiments tetra‐n‐butylphosphonium hydroxide in aqueous solutions have been used as the pretreatment reagent at 121 °C and 2 atm. It is interesting to note that considerable degradation in the lignin structure was observed when basic ionic liquids are used in the pretreatments . Some selected recent examples of the use of ionic liquids in biomass pretreatment applications are listed in Table .…”

Section: Ionic Liquids In Biomass Pretreatmentmentioning

confidence: 99%

Ionic Liquids in Biomass Processing

Amarasekara

2018

Israel Journal of Chemistry

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The ionic liquids have emerged as new solvents and catalysts for processing biomass to value added chemicals and fuels. This review will present the recent developments in applications of ionic liquids in lignocellulosic biomass pretreatments, depolymerization, biodiesel synthesis, dehydration of carbohydrates to renewable feedstock chemicals as well as further transformations of biomass derived feedstocks such as furfural, 5‐hydroxymethylfurfural and levulinic acid to value added chemicals. In addition, the recycling of ionic liquids used in biomass processing is also discussed in the review.

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Rapid and Complete Dissolution of Softwood Biomass in Tetra-n-butylphosphonium Hydroxide with Hydrogen Peroxide

Cited by 6 publications

References 16 publications

A Bibliometric Study of Scientific Publications regarding Hemicellulose Valorization during the 2000–2016 Period: Identification of Alternatives and Hot Topics

A Bibliometric Study of Scientific Publications regarding Hemicellulose Valorization during the 2000–2016 Period: Identification of Alternatives and Hot Topics

Alternatives for Chemical and Biochemical Lignin Valorization: Hot Topics from a Bibliometric Analysis of the Research Published During the 2000–2016 Period

Ionic Liquids in Biomass Processing

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