A. F. A. Rahman, Agus Arsad, Dai-Viet N. Vo, M. B. Bahari
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引用次数: 0
Abstract
Oil recovery in geological reservoirs can be enhanced by surfactant flooding, yet this technique is limited by surfactant adsorption on rocks. Here we review the use of nano-silica to decrease surfactant adsorption and to recover more oil, with a focus on surfactant flooding and adsorption, nano-silica properties and development, strategies to reduce surfactant adsorption, and the use of other nanoparticles such as zinc oxide, zirconium oxide, and titanium dioxide. During classical waterflooding, more than 60% of the oil remains trapped in reservoirs due to adsorption of surfactants onto reservoir rocks, which can reach up to 2.84 mg/g. The use of nano-silica reduces surfactant adsorption by 43%, lowers the adsorption density to 1.61 mg/g, and, in turn, improves oil recovery from 4.43 to 9.11%.
期刊介绍：
Environmental Chemistry Letters explores the intersections of geology, chemistry, physics, and biology. Published articles are of paramount importance to the examination of both natural and engineered environments. The journal features original and review articles of exceptional significance, encompassing topics such as the characterization of natural and impacted environments, the behavior, prevention, treatment, and control of mineral, organic, and radioactive pollutants. It also delves into interfacial studies involving diverse media like soil, sediment, water, air, organisms, and food. Additionally, the journal covers green chemistry, environmentally friendly synthetic pathways, alternative fuels, ecotoxicology, risk assessment, environmental processes and modeling, environmental technologies, remediation and control, and environmental analytical chemistry using biomolecular tools and tracers.
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