| 초록 |
A remarkable separation performance of isoprene/n-pentane mixtures was observed through facilitated isoprene transport membranes prepared from silver complexes and BMim[BF4] solutions. The performance of BMim[BF4]-silver complex membranes were tested for the separation of isoprene from n-pentane. The membranes were prepared by casting an aqueous solution containing BMim[BF4] and a silver complex onto a polyester microporous membrane (47 mm, 0.1 microliter, Whatman) using a coater. The highest selectivities for isoprene over pentane were found to be 25 and 20 for Bmim[BF4]-AgNO3 and Bmim[BF4]-AgBF4 membranes, respectively. The membranes morphology were confirmed by scanning electron microscopy (SEM), and wavelength dispersive x-ray spectroscopy (WDS). |
