Preparation of Super-Flexible Silica Aerogel and Its Application in Oil–Water Separation

Autor: Linghan Li, Tianci Xu, Faping Zhang, Chunhua Du, Song He
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Gels, Vol 9, Iss 9, p 739 (2023)
Druh dokumentu: article
ISSN: 2310-2861
DOI: 10.3390/gels9090739
Popis: Using silica as the precursor, and methyltrimethoxysilane and dimethyldimethoxysilane as the silicon sources, a super-flexible hydrophobic lipophilic gel solid was prepared via hydrolysis, drying, solvent replacement, and atmospheric-pressure drying. The characterization test showed that the sample had good flexibility, hydrophobicity, an amorphous structure, and a hydrophobic contact angle of 137°. Through the adsorption separation experiment, it was concluded that the adsorption separation rate of aerogel to oil substances is related to the viscosity of the oil substances. The hydrophobic and oleophilic properties of flexible silicon aerogel materials can be applied to many aspects, such as crude oil leakage and kitchen waste oil recovery, with broad future development prospects and great research significance.
Databáze: Directory of Open Access Journals