New ternary deep eutectic solvents for effective wheat straw deconstruction into its high-value utilization under near-neutral conditions

Ci, Yuhui; Yu, Fei; Zhou, Chengxuan; Mo, Haoe; Li, Zuyu; Ma, Yunqian; Zang, Lihua

doi:10.1039/d0gc03240a

Cited by 62 publications

(31 citation statements)

References 36 publications

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“…To this aim, harsher experimental conditions, involving higher operating temperatures and longer extraction times, were adopted, following literature reported procedures [43,44]. For comparison, the efficacy of ChCl:LA2 was also tested, having this latter being reported to exhibit a strong selective dissolving ability toward lignin from different biomasses [61,62]. Treatment of CWF with the two DESs was performed at 120 • C for 8 h. The dark brown liquid obtained was then subjected to two different precipitation protocols, involving addition of 0.01 M HCl or of an acetone/water mixture [44], both leading to a brown solid in 10% w/w yield (although 43-48% w/w of the starting CWF was dissolved).…”

Section: Cwf Lignin Extraction By Treatment With Dess Under Harsh Con...mentioning

confidence: 99%

A tunable deep eutectic solvent-based processing for valorization of chestnut wood fiber as a source of ellagic acid and lignin

Moccia

Gallucci

Giovando³

et al. 2022

Journal of Environmental Chemical Engineering

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Section: Cwf Lignin Extraction By Treatment With Dess Under Harsh Con...mentioning

confidence: 99%

A tunable deep eutectic solvent-based processing for valorization of chestnut wood fiber as a source of ellagic acid and lignin

Moccia

Gallucci

Giovando³

et al. 2022

Journal of Environmental Chemical Engineering

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“…More recently, another kind of DES has also been introduced, Type V, which is composed only by nonionic molecular HBAs and HBDs [37]. Over the last years, ternary DES, prepared by the mixture of one type of HBA and two types of HBD, have also been an important research topic that have already been applied in different areas such as carbon dioxide absorption [38], extraction of lignin [39], and reversible absorption of NH 3 [40].…”

Section: Deep Eutectic Solventsmentioning

confidence: 99%

Alternative Extraction and Downstream Purification Processes for Anthocyanins

et al. 2022

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Anthocyanins are natural pigments displaying different attractive colors ranging from red, violet, to blue. These pigments present health benefits that increased their use in food, nutraceuticals, and the cosmetic industry. However, anthocyanins are mainly extracted through conventional methods that are time-consuming and involve the use of organic solvents. Moreover, the chemical diversity of the obtained complex extracts make the downstream purification step challenging. Therefore, the growing demand of these high-value pigments has stimulated the interest in designing new, safe, cost-effective, and tunable strategies for their extraction and purification. The current review focuses on the potential application of compressed fluid-based (such as subcritical and supercritical fluid extraction and pressurized liquid extraction) and deep eutectic solvents-based extraction methods for the recovery of anthocyanins. In addition, an updated review of the application of counter-current chromatography for anthocyanins purification is provided as a faster and cost-effective alternative to preparative-scale HPLC.

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“…Density functional theory showed that BA could bond with -OH similar to Cl − , and it occupied more effective sites than Cl − , breaking the hydrogen-bonding network between lignin and cellulose. Importantly, the DES can be used multiple times without significantly reducing its efficiency, and its structure and properties remain virtually unchanged throughout [89].…”

Section: Ternary Desmentioning

confidence: 99%

Deep Eutectic Solvents for the Valorisation of Lignocellulosic Biomasses towards Fine Chemicals

Scelsi

Angelini

Pastore

2021

Biomass

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The growing demand for energy and materials in modern society pushes scientific research to finding new alternative sources to traditional fossil feedstocks. The exploitation of biomass promises to be among the viable alternatives with a lower environmental impact. Making biomass exploitation technologies applicable at an industrial level represents one of the main goals for our society. In this work, the most recent scientific studies concerning the enhancement of lignocellulosic biomasses through the use of deep eutectic solvent (DES) systems have been examined and reported. DESs have an excellent potential for the fractionation of lignocellulosic biomass: the high H-bond capacity and polarity allow the lignin to be deconvolved, making it easier to break down the lignocellulosic complex, producing a free crystallite of cellulose capable of being exploited and valorised. DESs offer valid alternatives of using the potential of lignin (producing aromatics), hemicellulose (achieving furfural) and cellulose (delivering freely degradable substrates through enzymatic transformation into glucose). In this review, the mechanism of DES in the fractionation of lignocellulosic biomass and the main possible uses for the valorisation of lignin, hemicellulose and cellulose were reported, with a critical discussion of the perspectives and limits for industrial application.

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New ternary deep eutectic solvents for effective wheat straw deconstruction into its high-value utilization under near-neutral conditions

Abstract: The new synthesized DES is used to reduce, which significantly reduces the maintenance cost of biomass refining equipment and provides a feasible way for biomass resource utilization under near-neutral conditions.

Cited by 62 publications

References 36 publications

A tunable deep eutectic solvent-based processing for valorization of chestnut wood fiber as a source of ellagic acid and lignin

A tunable deep eutectic solvent-based processing for valorization of chestnut wood fiber as a source of ellagic acid and lignin

Alternative Extraction and Downstream Purification Processes for Anthocyanins

Deep Eutectic Solvents for the Valorisation of Lignocellulosic Biomasses towards Fine Chemicals

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