ArticleMolecules (Basel, Switzerland)2022
Fractionation of Raw and Parboiled Rice Husks with Deep Eutectic Solvents and Characterization of the Extracted Lignins towards a Circular Economy Perspective.
Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- From Technical Lignins to Sustainable Cement Superplasticizers: A Concise Review.Molecules (Basel, Switzerland) · 2026Review
- Synergistic DES-Microwave Fractionation of Agri-Food Biomasses in a Zero-Waste Perspective.Molecules (Basel, Switzerland) · 2025Article
- Cellulose Nanocrystals and Rice Husk Surface Functionalization Induced by Infrared Thermal Activation.ChemSusChem · 2025Article
- The Future of Graphene: Preparation from Biomass Waste and Sports Applications.Molecules (Basel, Switzerland) · 2024Review
- Elucidating the Role of Lignin Type and Functionality in the Development of High-Performance Biobased Phenolic Thermoset Resins.ACS applied polymer materials · 2024Article
- From Waste to Value: Recent Insights into Producing Vanillin from Lignin.Molecules (Basel, Switzerland) · 2024Review
- Sustainable Particleboards Based on Brewer's Spent Grains.Polymers · 2023Article
- Special Issue "Lignocellulosic Biomass II".Molecules (Basel, Switzerland) · 2023Article
- Dependence ofRSC advances · 2023Article
- Article
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Authors and funding
11 authors.
Funding
Abstract
In the present work, rice husks (RHs), which, worldwide, represent one of the most abundant agricultural wastes in terms of their quantity, have been treated and fractionated in order to allow for their complete valorization. RHs coming from the raw and parboiled rice production have been submitted at first to a hydrothermal pretreatment followed by a deep eutectic solvent fractionation, allowing for the separation of the different components by means of an environmentally friendly process. The lignins obtained from raw and parboiled RHs have been thoroughly characterized and showed similar physico-chemical characteristics, indicating that the parboiling process does not introduce obvious lignin alterations. In addition, a preliminary evaluation of the potentiality of such lignin fractions as precursors of cement water reducers has provided encouraging results. A fermentation-based optional preprocess has also been investigated. However, both raw and parboiled RHs demonstrated a poor performance as a microbiological growth substrate, even in submerged fermentation using cellulose-degrading fungi. The described methodology appears to be a promising strategy for the valorization of these important waste biomasses coming from the rice industry towards a circular economy perspective.
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