2019
DOI: 10.1016/j.enconman.2019.06.070
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Rapid microwave-assisted biomass delignification and lignin depolymerization in deep eutectic solvents

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Cited by 142 publications
(45 citation statements)
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“…The combination of microwaves and acid-based DESs in delignification processes has been reported before. 49,50,58,82 Usually, a short irradiation time is combined with a rather high working temperature (>100 °C). It is worth noting that the same ChCl-oxalic acid dihydrate DES here used was proven to be effective in the delignification of poplar wood flour after a very short irradiation time (3 minutes) and at mild temperatures (80 °C), 58 thus in agreement with our findings.…”
Section: Morphological Characterization and Composition Analysis Of Lignocellulosic By-productsmentioning
confidence: 99%
See 1 more Smart Citation
“…The combination of microwaves and acid-based DESs in delignification processes has been reported before. 49,50,58,82 Usually, a short irradiation time is combined with a rather high working temperature (>100 °C). It is worth noting that the same ChCl-oxalic acid dihydrate DES here used was proven to be effective in the delignification of poplar wood flour after a very short irradiation time (3 minutes) and at mild temperatures (80 °C), 58 thus in agreement with our findings.…”
Section: Morphological Characterization and Composition Analysis Of Lignocellulosic By-productsmentioning
confidence: 99%
“…47 The performance of DESs in biomass fractionation and separation can be tuned by modulating their composition, which allows for the high dissolution of biopolymers, 35 polyphenol isolation 48 and biomass delignification. [49][50][51] Thus, the combined use of DESs and MWs appears to be a promising strategy for the separation/recovery of lignin 49,50 and polyphenols [52][53][54][55][56][57][58] in relatively short processing times.…”
Section: Introductionmentioning
confidence: 99%
“…The synergy between NaDES and MW heating could contribute very efficiently to the biomass delignification, owing to the interaction of MW irradiation with electrolytic solvents [ 46 ]. Therefore, to better understand this kind of interaction, we measured the dielectric properties of all of the NaDESs and LigDESs used in this work, since it is well known that MW heating is strictly related to the samples’ dielectric features [ 8 ].…”
Section: Resultsmentioning
confidence: 99%
“…The optimum values for the parameters were reported as 2.5% biomass loading, 6 h time, and 100°C temperature. Muley et al [77] used microwave-assisted delignification for the treatment of pinewood sawdust. Three different DESs, namely, ChCl-oxalic acid (1:1), ChCllactic acid (1:1), and ChCl-formic acid (2:1), were used to test the effect of temperature (110, 130, and 150°C) and time (1, 5, 10, and 15 min) at 2450 MHz.…”
Section: Fractionation Of Agro-industrial Wastes With Deep Eutectic Solvents and Recovery Of Ligninmentioning
confidence: 99%