Core Insights - The research team from the Shanxi Coal Chemical Research Institute and Peking University has achieved a breakthrough in iron-based Fischer-Tropsch synthesis catalysts, achieving less than 1% carbon dioxide selectivity and over 85% olefin selectivity, providing new approaches for clean utilization of high-carbon resources [1][2]. Group 1: Research Achievements - The study published in "Science" demonstrates a significant advancement in catalyst performance, crucial for the production of olefins, which are key raw materials for synthetic fibers, rubber, and plastics [1]. - The traditional iron-based catalysts have limitations due to their multiple activities, leading to high carbon dioxide generation, which restricts carbon utilization efficiency and olefin selectivity [1]. Group 2: Innovative Strategies - The research team introduced a trace halogenated alkane co-feeding strategy, which allows for effective regulation of surface oxygen species at the molecular level, enhancing catalytic performance without altering the catalyst formulation [2]. - The strategy enables near-zero carbon dioxide emissions and high olefin selectivity, showcasing a "plug-and-play" advantage for broader applications [2]. Group 3: Future Directions - The team plans to further explore the industrial scaling and long-term stability of the halogen regulation strategy, aiming to promote its application in coal-to-liquid, natural gas conversion, and biomass utilization [2].

Core Viewpoint - The research team from the Shanxi Coal Chemistry Institute of the Chinese Academy of Sciences and Peking University has achieved a significant breakthrough in iron-based Fischer-Tropsch synthesis catalysts, achieving carbon dioxide selectivity below 1% and olefin selectivity exceeding 85%, providing a new approach for the clean and efficient utilization of high-carbon resources [1][2] Group 1 - The industrial production of olefins has primarily relied on petroleum cracking, and developing green low-carbon pathways using coal, natural gas, or biomass gasification has become a leading international direction [1] - Fischer-Tropsch synthesis is gaining attention as it can directly convert syngas into olefins and fuels, but traditional iron-based catalysts generate significant amounts of carbon dioxide, severely limiting carbon utilization efficiency and olefin selectivity [1] - The research team proposed a trace halogenated alkane co-feeding strategy that effectively regulates the catalytic performance of the catalyst surface by introducing halogenated alkanes (e.g., bromoethane) at the parts per million level [1] Group 2 - The study not only achieved breakthroughs in low carbon and high efficiency but also revealed the activation-regulation mechanism of halogens in the reaction, providing important theoretical support for understanding the microscopic reaction pathways of iron-based Fischer-Tropsch catalysts [2] - The research team plans to continue exploring the industrial scaling and long-term stability verification of the halogen regulation strategy, promoting its application in coal-to-liquid, natural gas conversion, and biomass utilization, aiding the transition of China's coal chemical industry towards high efficiency, low carbon, and green development [2]