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Article Dans Une Revue (Article De Synthèse) Processes Année : 2023

Sustainable Harnessing of SiO 2 Nanoparticles from Rice Husks: A Review of the Best Synthesis and Applications

Résumé

The extraction of silica particles from rice husks has been extensively studied. This review aims to present the most efficient approach to harnessing rice husk biomass and converting silica into high-value-added materials for direct applications to address current challenges like water purification. Rice husks, as a residue from agriculture, had been largely used as a source of power through direct incineration in major rice-producing countries. However, rice husks present an intriguing opportunity as a renewable source of SiO 2 , offering a low-cost adsorbent with a high surface area and ease of functionalization that can be transformed into diverse mesoporous silica structures or composites, enabling applications in catalysis, drug delivery, water treatment, etc. This dual potential of rice husks can be harnessed by combining bio-oil and syngas production through pyrolysis with the efficient extraction of SiO 2 , ensuring the comprehensive utilization of the biomass. This review not only highlights the immense potential of silica nanoparticles but also serves as a roadmap for future investigations, with the ultimate aim of harnessing the full capabilities of this renewable and sustainable resource, contributing to the circular economy by yielding valuable by-products.

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Génie chimique
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Origine : Publication financée par une institution
Licence : CC BY - Paternité

Dates et versions

hal-04323678 , version 1 (05-12-2023)

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Paternité

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Alba Rodriguez-Otero, Vicmary Vargas, Anne Galarneau, Jimmy Castillo, Jan H Christensen, et al.. Sustainable Harnessing of SiO 2 Nanoparticles from Rice Husks: A Review of the Best Synthesis and Applications. Processes, 2023, 11 (12), pp.3373. ⟨10.3390/pr11123373⟩. ⟨hal-04323678⟩
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