Rice husk lignin to vanillin: IonoSolv as a way forward for value-added biomass depolymerization
نویسندگان
چکیده
The depolymerization of natural biomass-based lignin is a definitive challenge, as it involves the integral breakdown complex and well-constructed structures. A sustainable method called ‘ionoSolv pretreatment’ employs ionic liquids in biomass processing. In this study, Bronsted acidic IL (BAIL); 1-methyl-3-(3-sulfopropyl)-imidazolium chloride, [C3SO3HMIM]Cl was synthesized commendably used to both assist under mild reaction conditions well benefit from commercially valuable vanillin. About 68% degree (DD) achieved optimized (120 °C, 60 min), yielding ca. 43% tetrahydrofuran (THF) soluble products. influence BAIL on investigated using chromatographic (gas chromatography-mass spectrometry, gel permeation chromatography, high performance liquid chromatography (HPLC) spectroscopic techniques (Fourier transform infrared). HPLC analysis depolymerized detected clear presence 12% vanillin obtained 2 wt.% rice husk’s lignin.
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ژورنال
عنوان ژورنال: Bioresources
سال: 2023
ISSN: ['1930-2126']
DOI: https://doi.org/10.15376/biores.18.3.5385-5398