Physicochemical Properties and Applications of Deep Eutectic Solvents for CO2 Capture
Rima Biswas
Abstract:Rising anthropogenic greenhouse gas concentrations, notably CO2 emissions, have led to environmental issues that affect both humans and ecosystems. CO2 separation makes it easier to reduce energy use and CO2 emissions, both of which are essential for combating the concern of global warming. The use of ionic liquids (ILs) as CO2 capture solvents is recommended. However, the high viscosity, toxicity, cost, and poor biodegradability of ILs limit their large‐scale application. In recent years, deep eutectic solven… Show more
“…5 The applications of DESs have been explored in various fields, 6,7 and DESs are also emerging as promising candidates for CO 2 capture. 8–10 DESs which capture CO 2 only through physical interactions are called physical-based DESs, 11–14 such as DESs formed by ammonium/phosphonium halide salts as HBAs and alcohols or carboxylic acids as HBDs. 15–18 The CO 2 capacity of physical-based DESs is low because of the weak interactions between CO 2 and solvents.…”
CO2 does not react with the N-heterocyclic carbene possessing two isopropyl N-substituents in deep eutectic solvents composed of ethylene glycol and the imidazolium-based salt [IiPim][Triz].
“…5 The applications of DESs have been explored in various fields, 6,7 and DESs are also emerging as promising candidates for CO 2 capture. 8–10 DESs which capture CO 2 only through physical interactions are called physical-based DESs, 11–14 such as DESs formed by ammonium/phosphonium halide salts as HBAs and alcohols or carboxylic acids as HBDs. 15–18 The CO 2 capacity of physical-based DESs is low because of the weak interactions between CO 2 and solvents.…”
CO2 does not react with the N-heterocyclic carbene possessing two isopropyl N-substituents in deep eutectic solvents composed of ethylene glycol and the imidazolium-based salt [IiPim][Triz].
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