Sustainable polar aprotic/poly-deep eutectic solvent systems for highly efficient dissolution of lignin

Article Chemistry, Multidisciplinary

Robust ionic liquid/ethanolamine-superbase solvents enable rapid, efficient and mild dissolution of lignocellulosic biomass

Yang Wang et al.

Summary: A solvent system combining ionic liquids, ethanolamine, and organic superbases was designed for efficient and rapid dissolution of lignocellulose under mild conditions.

GREEN CHEMISTRY (2023)

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Article Chemistry, Multidisciplinary

Dihydrolevoglucosenone (Cyrene™) as a versatile biobased solvent for lignin fractionation, processing, and chemistry

Antoine Duval et al.

Summary: The solubility of technical lignins depends on their structure and extraction process, with only a few polar aprotic solvents capable of fully dissolving them. This study evaluated Cyrene as an alternative solvent and found it to be effective in fully dissolving KL in Cyrene-water mixtures, as well as suitable for refining and chemically modifying lignins. Cyrene shows promise as a green solvent for lignin fractionation, processing, and chemistry, promoting greener processes when solvents are necessary.

GREEN CHEMISTRY (2022)

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Article Agricultural Engineering

Efficient fractionation of woody biomass hemicelluloses using cholinium amino acids-based deep eutectic solvents and their aqueous mixtures

Yang Wang et al.

Summary: Novel and green cholinium amino acids-based deep eutectic solvents (DESs) were synthesized and used for hemicellulose fractionation from poplar. The presence of water in DESs facilitated the dissociation of hemicellulose, and DES CL: U-5 with 5 wt% water demonstrated the highest hemicellulose yield of 59.2%. The DES also showed recyclability with a hemicellulose yield of 40.5% after being reused three times.

BIORESOURCE TECHNOLOGY (2022)

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Article Chemistry, Multidisciplinary

Rheological Characterization of Mixed Aqueous Solutions of Enzymatic Hydrolysis Lignin and Ionic Liquid

Yingchong Ma et al.

Summary: In this study, we investigated the rheological properties of enzymatic hydrolysis lignin in 1-butyl-3-methylimidazolium chloride solutions. The results showed that the viscosity of the lignin solutions increased with the increase of lignin content, and the mass of ionic liquid significantly affected the viscosity of the lignin solution. Most of the lignin solutions displayed shear thinning behavior, and the viscosity decreased with the increase of temperature. The viscosity activation energy increased with the increase of lignin or ionic liquid mass fraction.

CHEMISTRYSELECT (2022)

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Article Thermodynamics

Pyrolysis characteristics, gas products, volatiles, and thermo-kinetics of industrial lignin via TG/DTG-FTIR/MS and in-situ Py-PI-TOF/MS

Xiankun Huang et al.

Summary: This study evaluated the pyrolysis characteristics of lignosulfonates and de-alkalized lignin using various experimental methods. Differences were observed in the pyrolysis temperature, volatile matter, and product composition among different lignin samples. The findings provide important theoretical and practical guidance for solving engineering problems related to lignin waste pyrolysis in papermaking wastewater.

ENERGY (2022)

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Article Chemistry, Multidisciplinary

LEO and LiMO Fuels: Structural and Rheological Characterization of Solvolytically Fractionated Lignin Dispersed in Alcohols

Saket Kumar et al.

Summary: The mild thermal solvolysis of lignin in alcohols is a promising technology for obtaining carbon-neutral fuels. Small-angle X-ray scattering (SAXS) data and cryo-TEM images show that lignin exists in two states in ethanol and methanol dispersions: individual lignin coil structures and their aggregates. The formation of polymer networks by the coil structures is responsible for the stability of the dispersions at high solid percentages.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Article Chemistry, Multidisciplinary

Efficient pretreatment using dimethyl isosorbide as a biobased solvent for potential complete biomass valorization

Shuang Yang et al.

Summary: This study reports the use of dimethyl isosorbide (DMI) as a solvent for fractionating lignocellulosic biomass into its main components. The pretreatment of Eucalyptus using DMI/H2O co-solvents achieves high lignin removal efficiency and good cellulose retention. The addition of water suppresses lignin condensation and produces lignin with high purity. Efficient fibrillation of obtained pulp leads to energy-saving potential.

GREEN CHEMISTRY (2022)

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Article Chemistry, Applied

Robust superbase-based emerging solvents for highly efficient dissolution of cellulose

Qiaoling Liu et al.

Summary: The study successfully designed six novel superbase-based solvents that can efficiently dissolve cellulose at lower temperatures, with DBN-PyO-4 showing the best performance. The good performance of the prepared superbase-based solvents on cellulose dissolution resulted from the synergistic effect of their ability to form hydrogen bonds and their polarizability.

CARBOHYDRATE POLYMERS (2021)

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Article Agricultural Engineering

Pretreatment of sugarcane bagasse with deep eutectic solvents affect the structure and morphology of lignin

Qinghua Ji et al.

Summary: The study demonstrates that pretreatment with ternary DES can lead to significant structural changes in alkaline lignin, resulting in the depolymerization of lignin as a dominant reaction. This offers a promising condition for generating value-added lignin in the biorefinery process.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Review Chemistry, Multidisciplinary

Emerging impacts of ionic liquids on eco-environmental safety and human health

Penghao Wei et al.

Summary: ILs, due to their high stability, pose a potential threat to the ecological environment and human health. The increase in production and application of ILs leads to their release into the environment, reducing their impact on the environment and human health is a major challenge.

CHEMICAL SOCIETY REVIEWS (2021)

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Article Chemistry, Multidisciplinary

Diformylxylose as a new polar aprotic solvent produced from renewable biomass

Anastasia O. Komarova et al.

Summary: The demand for sustainable polar aprotic solvents is increasing due to the toxicity of conventional solvents and safety legislation. Diformylxylose (DFX) derived from xylose shows similar performance to conventional solvents in various reactions and can be produced from commercial xylose in a single step, making it a greener alternative for industry.

GREEN CHEMISTRY (2021)

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Article Agricultural Engineering

Acidic and alkaline deep eutectic solvents in delignification and nanofibrillation of corn stalk, wheat straw, and rapeseed stem residues

Terhi Suopajarvi et al.

INDUSTRIAL CROPS AND PRODUCTS (2020)

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Article Chemistry, Multidisciplinary

Dimethyl Isosorbide As a Green Solvent for Sustainable Ultrafiltration and Microfiltration Membrane Preparation

Francesca Russo et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Article Chemistry, Multidisciplinary

Using computational chemistry to explore experimental solvent parameters - solvent basicity, acidity and polarity/polarizability

W. Earle Waghorne

PURE AND APPLIED CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

Kraft Lignin Solubility and Its Chemical Modification in Deep Eutectic Solvents

Filipe H. B. Sosa et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Article Chemistry, Multidisciplinary

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

Yu-hui Ci et al.

GREEN CHEMISTRY (2020)

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Review Chemistry, Multidisciplinary

Replacement strategies for non-green dipolar aprotic solvents

Feng Gao et al.

GREEN CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

γ-Valerolactone-based organic electrolyte solutions: a benign approach to polyaramid dissolution and processing

Jonas Winters et al.

GREEN CHEMISTRY (2020)

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Article Engineering, Chemical

Densities and viscosities for ionic liquids [BMIM][BF4] and [BMIM][Cl] and their binary mixtures at various temperatures and atmospheric pressure

Jinlong Li et al.

CHINESE JOURNAL OF CHEMICAL ENGINEERING (2019)

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Article Chemistry, Multidisciplinary

A Multifunctional Cosolvent Pair Reveals Molecular Principles of Biomass Deconstruction

Abhishek S. Patri et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Chemistry, Multidisciplinary

Green Process for Extraction of Lignin by the Microwave-Assisted Ionic Liquid Approach: Toward Biomass Biorefinery and Lignin Characterization

Yong-Chang Sun et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2019)

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Article Chemistry, Multidisciplinary

Highly Efficient and Recyclable Carbon-Nanofiber-Based Aerogels for Ionic Liquid-Water Separation and Ionic Liquid Dehydration in Flow-Through Conditions

Li Zhi Guan et al.

ADVANCED MATERIALS (2019)

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Article Agricultural Engineering

A concise review of current lignin production, applications, products and their environmental impact

D. S. Bajwa et al.

INDUSTRIAL CROPS AND PRODUCTS (2019)

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Article Chemistry, Multidisciplinary

Poly-quasi-eutectic solvents (PQESs): versatile solvents for dissolving metal oxides

Jingyun Jiang et al.

GREEN CHEMISTRY (2019)

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Article Chemistry, Multidisciplinary

The formation and physicochemical properties of PEGylated deep eutectic solvents

Wenjun Chen et al.

NEW JOURNAL OF CHEMISTRY (2019)

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Article Chemistry, Multidisciplinary

Novel deep eutectic solvents with different functional groups towards highly efficient dissolution of lignin

Qiaoling Liu et al.

GREEN CHEMISTRY (2019)

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Article Chemistry, Multidisciplinary

Multiple hydrogen bond coordination in three-constituent deep eutectic solvents enhances lignin fractionation from biomass

Qinqin Xia et al.

GREEN CHEMISTRY (2018)

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Article Chemistry, Physical

A closer look into deep eutectic solvents: exploring intermolecular interactions using solvatochromic probes

C. Florindo et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2018)

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Article Chemistry, Multidisciplinary

Nanostructured Branched-Chain Carboxylate Ionic Liquids: Synthesis, Characterization, and Extraordinary Solubility for Bioactive Molecules

Yuqi Ke et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

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Review Chemistry, Multidisciplinary

Catalytic Transformation of Lignocellulose into Chemicals and Fuel Products in Ionic Liquids

Zhanrong Zhang et al.

CHEMICAL REVIEWS (2017)

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Article Chemistry, Multidisciplinary

A PEGylated deep eutectic solvent for controllable solvothermal synthesis of porous NiCo2S4 for efficient oxygen evolution reaction

Jingyun Jiang et al.

GREEN CHEMISTRY (2017)

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Article Chemistry, Multidisciplinary

Investigation of [Emim][OAc] as a mild pretreatment solvent for enhancing the sulfonation efficiency of alkali lignin

Zhili Zhang et al.

RSC ADVANCES (2017)

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Review Materials Science, Paper & Wood

Potential use of deep eutectic solvents to facilitate lignocellulosic biomass utilization and conversion

Yu-Loong Loow et al.

CELLULOSE (2017)

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Review Chemistry, Multidisciplinary

Are Ionic Liquids Chemically Stable?

Binshen Wang et al.

CHEMICAL REVIEWS (2017)

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Review Chemistry, Multidisciplinary

Strategies for the Conversion of Lignin to High-Value Polymeric Materials: Review and Perspective

Brianna M. Upton et al.

CHEMICAL REVIEWS (2016)

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Review Chemistry, Multidisciplinary

Paving the Way for Lignin Valorisation: Recent Advances in Bioengineering, Biorefining and Catalysis

Roberto Rinaldi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Article Chemistry, Multidisciplinary

[N-Methyl-2-pyrrolidone][C1-C4 carboxylic acid]: a novel solvent system with exceptional lignin solubility

Liwen Mu et al.

CHEMICAL COMMUNICATIONS (2015)

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Article Chemistry, Multidisciplinary

Lignin solubilisation and gentle fractionation in liquid ammonia

Zea Strassberger et al.

GREEN CHEMISTRY (2015)

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Review Chemistry, Multidisciplinary

Deep Eutectic Solvents (DESs) and Their Applications

Emma L. Smith et al.

CHEMICAL REVIEWS (2014)

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Article Chemistry, Multidisciplinary

Understanding the role of co-solvents in the dissolution of cellulose in ionic liquids

Jean-Michel Andanson et al.

GREEN CHEMISTRY (2014)

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Article Chemistry, Multidisciplinary

Understanding the chemical transformations of lignin during ionic liquid pretreatment

Jia-Long Wen et al.

GREEN CHEMISTRY (2014)

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Review Chemistry, Multidisciplinary

Low-Transition-Temperature Mixtures (LTTMs): A New Generation of Designer Solvents

Maria Francisco et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

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Review Chemistry, Multidisciplinary

Recent developments in deep eutectic solvents in chemical sciences

Baokun Tang et al.

MONATSHEFTE FUR CHEMIE (2013)

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Article Engineering, Chemical

Fractionation and characterization of lignin from steam-exploded corn stalk by sequential dissolution in ethanol-water solvent

Guanhua Wang et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2013)

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Review Chemistry, Multidisciplinary

Ether- and alcohol-functionalized task-specific ionic liquids: attractive properties and applications

Shaokun Tang et al.

CHEMICAL SOCIETY REVIEWS (2012)

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Review Chemistry, Multidisciplinary

Deep eutectic solvents: syntheses, properties and applications

Qinghua Zhang et al.

CHEMICAL SOCIETY REVIEWS (2012)

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Article Energy & Fuels

Mechanism of Lignin Dissolution and Regeneration in Ionic Liquid

Wenyan Ji et al.

ENERGY & FUELS (2012)

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Review Chemistry, Multidisciplinary

Solvatochromic parameters for solvents of interest in green chemistry

Philip G. Jessop et al.

GREEN CHEMISTRY (2012)

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Article Engineering, Chemical

Dissolution of Pinus radiata and Eucalyptus globulus woods in ionic liquids under microwave radiation: Lignin regeneration and characterization

A. Casas et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2012)

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Article Chemistry, Multidisciplinary

Extracting wood lignin without dissolving or degrading cellulose: investigations on the use of food additive-derived ionic liquids

Andre Pinkert et al.

GREEN CHEMISTRY (2011)

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Review Chemistry, Multidisciplinary

Ethyl lactate as a solvent: Properties, applications and production processes - a review

Carla S. M. Pereira et al.

GREEN CHEMISTRY (2011)

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Article Chemistry, Physical

Viscosity of Cellulose-Imidazolium-Based Ionic Liquid Solutions

Romain Sescousse et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2010)

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Article Agricultural Engineering

Physico-chemical characterization of lignins from different sources for use in phenol-formaldehyde resin synthesis

A. Tejado et al.

BIORESOURCE TECHNOLOGY (2007)

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Article Biochemistry & Molecular Biology

Hydrogen bonding in lignin: A Fourier transform infrared model compound study

S Kubo et al.

BIOMACROMOLECULES (2005)

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Article Chemistry, Multidisciplinary

Polarity and hydrogen-bonding of ambient to near-critical water: Kamlet-Taft solvent parameters

J Lu et al.

CHEMICAL COMMUNICATIONS (2001)

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Sustainable polar aprotic/poly-deep eutectic solvent systems for highly efficient dissolution of lignin

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