Goryunova Kristina, Gahramanli Yunis, Gurbanova Rena
Geotechnological Problems of Oil, Gas and Chemistry Research Institute Baku City Azerbaijan
Chemistry and Inorganic Substances Technology Department, Azerbaijan State Oil and Industry University Baku City Azerbaijan.
RSC Adv. 2023 Jun 16;13(27):18207-18216. doi: 10.1039/d3ra02462h. eCollection 2023 Jun 15.
Silica aerogels have piqued the interest of both scientists and industry in recent decades due to their unusual properties such as low density, high porosity, low thermal and acoustic conductivity, high optical transparency, and strong sorption activity. Aerogels may be created two-step sol-gel synthesis from different organosilicon compounds known as precursors. Various drying processes are employed to remove the solvent from the gel pores, the most common of which is the supracritical drying method. This paper highlights the potential of silica aerogels and their modifications as adsorbents for environmental cleanup based on recent researches. Following an introduction of the characteristics of aerogels, production techniques, and different categorization possibilities, the study is organized around their potential use as adsorbents.
近几十年来，二氧化硅气凝胶因其低密度、高孔隙率、低导热率和低隔音率、高光学透明度以及强吸附活性等特殊性能，引起了科学家和工业界的关注。气凝胶可以通过两步溶胶 - 凝胶合成法，由不同的有机硅化合物（即前驱体）制备而成。人们采用各种干燥工艺从凝胶孔隙中去除溶剂，其中最常用的是超临界干燥法。本文基于近期研究，着重介绍了二氧化硅气凝胶及其改性材料作为环境净化吸附剂的潜力。在介绍了气凝胶的特性、生产技术以及不同的分类可能性之后，该研究围绕其作为吸附剂的潜在用途展开。
