2019
DOI: 10.1039/c9gc00473d
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Abstract: Sustainable and effective methods for biomass pretreatment and biomass cascade utilization are reviewed in this work.

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Cited by 276 publications
(120 citation statements)
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“…22,23 Electrochemical processes are also of major interest for targeted chemical transformations and lignin valorization to useful chemicals. 20,24,25 Heterogenous ( photo)oxidation of lignins on catalysts is one valorization direction, 26,27 and this raises the idea that such processes maybe can be driven by photochemistry alone. The starting question of this work is: Do lignins themselves also afford photo-redox activity, in particular oxygen reduction to hydrogen peroxide?…”
Section: Introductionmentioning
confidence: 99%
“…22,23 Electrochemical processes are also of major interest for targeted chemical transformations and lignin valorization to useful chemicals. 20,24,25 Heterogenous ( photo)oxidation of lignins on catalysts is one valorization direction, 26,27 and this raises the idea that such processes maybe can be driven by photochemistry alone. The starting question of this work is: Do lignins themselves also afford photo-redox activity, in particular oxygen reduction to hydrogen peroxide?…”
Section: Introductionmentioning
confidence: 99%
“…In this case, a cascade utilization of lignocellulosic biomass would increase the value of each single component. 14 To further increase the value of the whole biorefinery chain, new products should mainly derive from hemicelluloses and lignin rather than from cellulose, using a cascading biorefinery model. 7,14 Hemicelluloses are a group of heterogeneous polysaccharides that are formed in plants and act as a supporting material in their cell walls.…”
Section: Introductionmentioning
confidence: 99%
“…16 Lignin function in plants is related to the integrity of the cellulose/hemicellulose/pectin matrix in the cell wall, formation of xylem vessels, and protection of the plant from wounding and pathogens. 17,18 In the cascading biorefinery concept of lignocellulosic biomass, 14 hemicelluloses and lignin can be recovered, for example, from the process water or spent liquor after TMP 17,19 or pre-extracted from sawdust or from wood chips before pulping using pressurized hot water extraction (PHWE), 20 organosolv and steam-explosion extraction, 17,21 or a vacuumenhanced aqueous extraction method called BLN (from the initials of the inventors' names), where cellulose, hemicelluloses, and lignin are efficiently separated. 22 The fractionation of wood biomass into its individual components is a fundamental step towards the cascade utilization of biomass.…”
Section: Introductionmentioning
confidence: 99%
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“…Also, a review on both catalytic and non-catalytic lignocellulose deconstruction in ethanol, together with a critical revision on the application of analytical techniques (GC-MS, 1D, and 2D NMR spectroscopy, and elemental analysis), was published by Tekin et al (2018). Liu et al (2019) reported an extensive review on biomass utilization with green technologies, including microwave and ultrasonic irradiation, ionic liquids, deep eutectic solvents, electric field processes, and supercritical fluids, among other approaches. Nevertheless, no critical review has been made available on the utilization of sundry supercritical fluids in the light of the biorefinery concept.…”
Section: Introductionmentioning
confidence: 99%