The recently published "Science" magazine has published the important results of the Bao Xinhe academician team of Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Based on the new concept of “nano-bounded catalystsâ€, the team creatively constructed single-site iron catalysts with silicide lattice confinement, and successfully achieved the selective activation of methane under anaerobic conditions, resulting in one-step efficient production of ethylene, aromatics and hydrogen. Equal value chemicals. This result provides a new approach for the direct conversion of natural gas to ethylene and high-value chemicals. The selective activation and orientation transformation of methane molecules is a worldwide problem. It is praised as the "holy grail" in the fields of catalysis and even chemistry. After more than 20 years of methane catalytic conversion research, Bao Xin and his team solved this problem. Compared with the traditional route of natural gas conversion, the new technology completely eliminates the process of high-energy-consuming synthesis gas preparation and greatly shortens the process route. The reaction process itself achieves zero emission of carbon dioxide, and the utilization efficiency of carbon atoms reaches 100%. (Hui Min)
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Direct conversion of natural gas to ethylene and high-value chemicals