Abstract

Catalysis The yield of many gas-phase industrial reactions is limited by the formation of water as a by-product. Li et al. harnessed the water-sieving properties of NaA zeolite crystals by forming them into continuous defect-free membranes within tube reactors (see the Perspective by Carreon). These membranes can let water pass but reject gases such as hydrogen, carbon monoxide, and carbon dioxide (CO2). When these membranes were used in CO2 hydrogenation to form methanol with water as a by-product, substantial increases were observed in both the CO2 conversion and methanol yield. Science , this issue p. [667][1]; see also p. [624][2] [1]: /lookup/doi/10.1126/science.aaz6053 [2]: /lookup/doi/10.1126/science.aba4997

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