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新型催化剂贵金属利用率近100%
Ke Ji Ri Bao· 2025-10-19 23:28
Core Insights - The research team from Tianjin University has developed an innovative "atomic extraction" strategy that significantly enhances the utilization of platinum atoms in catalytic reactions, achieving nearly 100% efficiency [1][2] - This advancement addresses the low atomic utilization rates of traditional catalysts, particularly in the critical process of propane dehydrogenation for propylene production, which is essential for various industries [1][2] Group 1: Technological Innovation - The "atomic extraction" technology allows for the selective attraction of platinum atoms to the surface of catalyst particles, thereby increasing their availability for catalytic reactions [1] - This method contrasts with traditional catalysts, where platinum atoms tend to aggregate into larger particles, resulting in many atoms being buried and inactive [1] Group 2: Economic Impact - The new catalyst technology reduces the amount of catalyst needed from 1 ton to just 200 jin (approximately 100 kg), showcasing extreme atomic economy [2] - In high-temperature reactions like propane dehydrogenation, the new catalyst demonstrates superior activity and stability while reducing platinum usage by 90% compared to existing commercial catalysts [2] Group 3: Industry Relevance - Propylene is one of the most produced chemical products globally, with China projected to account for one-third of global propylene production by 2024, generating over 600 billion RMB [1] - Approximately two-thirds of propane dehydrogenation processes rely on precious metal catalysts, highlighting the importance of improving catalyst efficiency for sustainable industry development [1]
重大突破!利用率逼近100%
中国能源报· 2025-09-26 07:13
Core Insights - The article highlights a significant breakthrough by Chinese scientists in catalyst technology, achieving nearly 100% utilization of precious metals in catalysts, which are essential for chemical reactions [1][4]. Group 1: Catalyst Innovation - The research team from Tianjin University has developed a novel "atomic extraction" strategy that allows all platinum atoms, crucial for catalysis, to be extracted to the surface for participation in catalytic reactions [1][4]. - The newly developed catalyst demonstrates extreme atomic economy, requiring only 200 pounds to accomplish tasks that previously needed 1 ton [3]. Group 2: Performance and Efficiency - In high-temperature and harsh reactions, such as propane dehydrogenation to propylene, the new catalyst shows superior activity and stability compared to existing commercial catalysts, even with a 90% reduction in platinum usage [3][4]. - The research led by Professor Gong Jinlong breaks away from traditional "dispersed single atom" thinking, utilizing atomic-level alloy design and interface regulation to push the atomic utilization rate of precious metals close to theoretical limits [4].
利用率逼近100%!我国科学家实现这一领域重大突破
Ke Ji Ri Bao· 2025-09-26 00:48
Core Insights - Catalysts are referred to as the "heart" of modern chemical industry, playing an irreplaceable role in accelerating various chemical reactions [1] - Precious metals are key components of catalysts, and their usage is crucial for energy-saving and efficiency in chemical processes [1] Group 1: Research Innovation - Tianjin University’s new strategy, termed "atomic extraction," allows for the complete extraction of platinum atoms to the surface for catalytic reactions, achieving nearly 100% utilization [1] - The catalyst developed using this strategy requires only 200 pounds to complete tasks that previously needed 1 ton, demonstrating extreme atomic economy [1] Group 2: Performance and Stability - In high-temperature and harsh reactions, such as propane dehydrogenation to propylene, the new catalyst shows superior activity and stability compared to current commercial catalysts, even with a 90% reduction in platinum usage [1] Group 3: Research Leadership - The research team is led by Professor Gong Jinlong, who emphasizes that their work breaks away from traditional "dispersed single atom" thinking, paving new paths for the design of efficient catalysts through atomic-level alloy design and interface regulation [1]
利用率逼近100%!我国科学家实现这一领域重大突破
Huan Qiu Wang Zi Xun· 2025-09-25 23:59
Core Viewpoint - The research team from Tianjin University has developed an innovative "atomic extraction" strategy that significantly enhances the utilization of platinum in catalysts, achieving nearly 100% efficiency in catalytic reactions [1][4]. Group 1: Catalyst Innovation - The new catalyst developed using the "atomic extraction" strategy requires only 200 pounds to complete tasks that previously needed 1 ton, demonstrating extreme atomic economy [3]. - This catalyst shows superior activity and stability compared to existing commercial catalysts, even with a 90% reduction in platinum usage during high-temperature reactions such as propane dehydrogenation to propylene [3][4]. Group 2: Research Significance - The research led by Professor Gong Jinlong breaks away from traditional "single-atom dispersion" thinking, utilizing atomic-level alloy design and interface regulation to push the atomic utilization rate of precious metals to near theoretical limits [4].