Engineering topics
Publications and source records attributed to Han, Yang.
Decreasing membrane thickness reduces the reaction time for the competing amine-H 2 S and amine-CO 2 reactions, thus enhancing the selectivity for the “faster”, kinetically favored product, i.e. , hydrosulfide.
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membranes can comprise a support layer, and a selective polymer layer disposed on the support layer. In some cases, the support layer can comprise a gas permeable polymer and hydrophilic additive dispersed within the gas permeable polymer. In some cases, the selective polymer layer can comprise a selective polymer matrix and carbon nanotubes dispersed within the selective polymer matrix. The membranes can exhibit selective permeability to gases. As such, the membranes can be for the selective removal of carbon dioxide and/or hydrogen sulfide from hydrogen and/or nitrogen.