Core Viewpoint - The 2025 China Petroleum and Chemical Industry Association Science and Technology Awards recognized 165 technological achievements, 2 outstanding innovation teams, and several distinguished scientists, highlighting the industry's commitment to technological innovation in key areas such as oil and gas exploration, high-end chemical materials, and green transformation [1] Group 1: Award Recognition - Li Qunsheng received the Zhao Yonghao Science and Technology Innovation Award, emphasizing the industry's expectations for innovation in high-purity chemicals and the commitment to overcoming technical challenges for national industrial security and high-quality development [2] Group 2: Innovations in Separation Technology - The team developed RDU ultra-efficient random packing to address low mass transfer efficiency in traditional packing, achieving a 32% improvement over leading international counterparts, successfully producing 6N-grade hexafluorobutene and 7N-grade rubidium and cesium products [2] - The IP-type high-efficiency structured packing was created to enhance mass transfer efficiency by continuously renewing the liquid film, leading to the production of 7N-grade silane at half the price of imports, breaking foreign monopolies [3] - The innovative guiding composite tray design eliminated flow dead zones and mixing issues, resulting in the production of 10N-grade high-purity silicon and 5N-grade PVC, marking significant breakthroughs in domestic high-end material production [3] Group 3: Advanced Separation Techniques - The "distillation + continuous multi-stage countercurrent crystallization" technology was developed to separate isomers with closely boiling points, achieving superior quality in 5N-grade photoresist raw materials [4] - The "distillation + dual carrier adsorption cascade" process was introduced to effectively remove difficult-to-separate impurities, enabling the production of 8N-grade electronic-grade trichlorosilane for advanced chip manufacturing [5] - The "distillation + photocatalytic reaction" technology was utilized to achieve 9N-grade silicon tetrachloride production, demonstrating significant advancements in purity levels [5] Group 4: Addressing Secondary Contamination - The team developed a high-efficiency anti-contamination technology to prevent secondary pollution from trace metal ions, achieving stable control of metal ion content below 5 parts per trillion in G5-grade hydrofluoric acid [6] Group 5: Future Aspirations - The commitment to overcoming reliance on imported high-end chemicals remains a driving force, with ongoing efforts to improve domestic production stability and develop greener processes [7] - The focus will be on producing higher purity materials and fostering deep integration of industry, academia, and research, positioning high-purity chemicals as foundational support for strategic industries like semiconductors and renewable energy [7]