攻克效率瓶颈 破解“三高”难题——记技术发明特等奖大型多相反应过程微纳传质强化新技术

Core Insights - The article discusses a significant breakthrough in chemical engineering, specifically addressing the long-standing efficiency bottleneck in multiphase reactors, which has hindered the chemical industry for nearly a century [1] Group 1: Technological Breakthrough - A research team led by Professor Zhang Zhibing from Nanjing University has developed a new micro-nano enhancement technology for multiphase reaction processes, improving mass transfer rates by over three orders of magnitude [1] - This technology has been awarded the Special Prize for Technological Invention at the 2025 China Petroleum and Chemical Industry Federation Science and Technology Awards [1] Group 2: Theoretical Foundations - The team identified a new physical law stating that the thickness of the gas-liquid mass transfer film is proportional to the particle diameter at the micro-nano scale, leading to the creation of a new theoretical model for mass transfer enhancement [2] - They established advanced imaging systems to validate their theoretical model, ensuring a closed-loop from theory to practical application [2] Group 3: Industrial Applications - The team has developed a series of micro-interface enhancement reactors that can significantly increase mass transfer area, applicable across various chemical processes from laboratory to large-scale industrial settings [3] - In the clean oil product upgrading sector, the technology was successfully implemented in a million-ton diesel hydrogenation refining unit, achieving a 32.2% reduction in operating pressure and a 30% decrease in hydrogen-to-oil ratio [4] Group 4: Economic Impact - The new technology has led to a 35% reduction in energy consumption and a decrease of over 400 yuan in product costs for the production of ultra-low carbon butanol, breaking a 46-year technology monopoly by multinational companies [5] - The technology has been applied in over 30 industrial units across 23 provinces, generating an estimated additional sales revenue of 31.4 billion yuan and tax contributions of 5.1 billion yuan [6] Group 5: Environmental Benefits - The technology has treated over 10 million tons of high-salinity and high-COD wastewater, reducing CO2 emissions by 1.1 million tons and recovering 800 million cubic meters of hydrochloric acid gas [6] - It has been recognized for its significant ecological benefits and has been included in the 2024 Green Technology Promotion Directory by multiple government agencies [6]