Aqueous‐Phase Partial Oxidation of Methane over Pd−Fe/ZSM‐5 with O<sub>2</sub> in the Presence of H<sub>2</sub>
Gun Sik Yang, Jongkyu Kang, Eun Duck Park
Abstract
Abstract The selective oxidation of methane into methane oxygenates such as CH 3 OH and HCOOH with O 2 is a promising technology for direct methane conversion. This study successfully demonstrates the partial oxidation of methane over Pd−Fe/ZSM‐5 catalysts in water, where H 2 O 2 was generated in situ from H 2 and O 2 . A low Pd content is essential for preventing agglomeration of Pd nanoparticles, and intimate contact between Pd and Fe species is beneficial for achieving high yields of methane oxygenates. This one‐body catalyst showed better catalytic performance than that of previously reported ones, especially at low temperatures. 0.28 %Pd–0.56 %Fe/ZSM‐5 exhibited a stable catalytic performance in a continuous flow reactor.