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The application of catalytic mixed conducting ceramic membrane reactors show great promise for industrial processes to produce value-added chemicals. A catalytic membrane reactor combines separation and reaction in one unit...

A novel dual-functional catalytic perovskite hollow fiber membrane reactor was fabricated by integrating BaBi 0.05 Co 0.8 Nb 0.15 O 3-δ (BBCN) perovskite hollow fiber membrane with Ni-phyllosilicate hollow sphere catalysts for simultaneous NO decomposition and partial oxidation of methane (POM) reaction. With this novel catalytic membrane reactor, NO could be completely converted to N 2 at a medium-low temperature (675 °C) owing to instantaneous oxygen removal from the NO decomposition reaction system. Coupled POM reaction on the other side of BBCN hollow fiber membrane not only increased the driving force for oxygen permeation but also produced valuable products (syngas). This novel membrane reactor showed high NO removal capacity at comparatively low temperatures (675−700 °C), which is 100−200 °C lower than those of other membrane reactors reported in literature. In addition, even with the presence of a 2−5% oxygen concentration in NO stream, NO could still be completely decomposed to N 2 via this catalytic BBCN membrane reactor. Evidently, the application of this novel catalytic membrane reactor could overcome the inhibition of oxygen present atmosphere for NO decomposition and achieve a remarkably high efficiency for NO removal.

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SAPO‐34 hollow fiber zeolite membranes are successfully synthesized on α‐Al2O3 hollow fiber ceramic substrates by secondary growth method, and used to separate H2 from a binary mixture (H2, C3H8) or ternary mixture (H2, C3H8, and C3H6) under a wide temperature range (25–600°C) with the aim of using them for propane dehydrogenation (PDH) reactions at high temperature. The results show excellent performance for H2/C3H8 and H2/ C3H8 & C3H6 separation, with high H2 permeance of 3.1 × 10−7 mol/m2/s/Pa and H2/C3H8 selectivity of 41 at 600°C. Additionally, the membrane shows stable performance for 140 hr of H2/C3H8 separation test at 600°C. The high performance of this membrane is mainly attributed to the thin (∼2 μm) zeolite layer and asymmetric‐wall of the hollow fiber support. So far, this membrane offers the highest hydrogen permeation and selectivity for H2/C3H8 separation at high temperature (600°C) compared to those reported in literature.