Preparation and CO2 adsorption properties of aminopropyl-functionalized mesoporous silica microspheres

Primary, secondary, and tertiary amines for CO2 capture: Designing for mesoporous CO2 adsorbents

“…CO 2 scrubbing is currently practiced on a large scale for the purification of industrial gases and also in life support systems in confined spaces such as submarines, space vehicles, and other inhabited vessels for space exploration platforms. In general, there are four main approaches to the separation of CO 2 from other gases: cryogenic process [4], membrane purification [5], absorption with liquids [6], and adsorption using solids [7]. In these methods, adsorption processes for gas separation via selective adsorption on solid media are also well-known.…”

Experimental analysis and theoretical studies by density functional theory of aminopropyl-modified ordered mesoporous carbon

“…CMK-3 consists of a network of carbon rods derived from the filling of SBA-15 pores with a carbon precursor and subsequent removal of the template [13]. The elimination of the template gives rise to a new pore-system and the pore wall is made up of graphite with low crystallinity.…”

An in-depth investigation on the formation of nanoporous silica microspheres in diluted dodecylamine solutions

“…The fast mass transfer capacity of the hierarchically porous silica microspheres contributed to their fast separation efficiency. [4] Aminopropyl-functionalised mesoporous silica microspheres were used as an absorbent for CO 2 . The aminopropyl functional groups were introduced by the co-condensation of tetraethoxysilane with 3-aminopropyltriethoxysilane (APTES).…”

“…However, the breakthrough time of the CO 2 and CO 2 adsorption capacities increased with the increasing APTES content. [2] Hu et al [5] evaluated the performance of 3D cubic mesoporous SBA-16 silica microsphere as a carrier for poorly soluble drug of carvedilol. In comparison with the classic 2D mesoporous MCM-41, SBA-16 microspheres with 3D cage-like mesoporous structure displayed a more rapid release profile in both simulated intestinal fluid (pH D 6.8) and simulated gastric fluid (pH D 1.2).…”