Preparation of NH2-SH-GO/SWCNTs based on graphene oxide/single-walled carbon nanotubes for CO2 and N2 separation from blast furnace gas

Fabrication of Polydimethysiloxane (PDMS) Dense Layer on Polyetherimide (PEI) Hollow Fiber Support for the Efficient CO2/N2 Separation Membranes

“…The prepared PDMS/PEI composite hollow fiber membranes followed the trade-off relationship between permeance and selectivity [ 26 ]. To enhance the gas-separation performance by increasing the gas permeance and selectivity simultaneously, 2D nanomaterials, such as surface-modified graphene oxide (GO) containing CO 2 -philic functional groups [ 61 , 62 , 63 ] and nitrogen-doped graphene nanosheets [ 64 , 65 ], will be incorporated in the selective coating layer in the further works. Moreover, the conditions for the preparation of mixed matrix hollow fiber membranes [ 66 ] will be optimized by using chemometric methods [ 67 ].…”

Fabrication of Pebax/SAPO mixed matrix membranes for CO2/N2 separation

“…Of them, MMMs have been attracted wide interest, which are fabricated by incorporating highly selective micron or nanoscale inorganic fillers into continuous polymer matrix. Generally, graphene oxide (GO), 12,16 carbon nanotubes (CNTs), 17–18 metal organic frameworks (MOFs), 19–20 zeolite 21–22 and their derivatives can be utilized as fillers to enhance the gas permeability and selectivity of MMMs. In particular, zeolites are preferentially adopted because of their commercial acquisition, unique pore structure, and excellent affinity for gas CO 2 14 .…”