绿色化工技术

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中石化,两大关键产品突破!
DT新材料· 2025-07-09 14:48
【DT新材料】 获悉,近日, 中石 化 迎来二大关键产品技术突破! 1. 己内酰胺成套技术:打破垄断! 建成全球最大装置 近日, 中国石油和化学工业联合会 组织鉴定委员会对 石科院 牵头完成 的" 变革性己内酰胺成套技术及产业化应用 "进 行了科技成果鉴定。鉴定委员 会一致认定,此项变革性己内酰胺成套技术整体达到国际领先水平。 己内酰胺 是第二大合成纤维和工程塑料尼龙6的单体,广泛应用于纺织、包装、电子、汽车、航天航空等新材料领域。 然而,其生产长期被高能耗、 高排放、复杂工艺与安全风险所困扰,国内产业更面临三重严峻挑战: 1. 原料生产瓶颈: 环己酮 传统工艺存在碳原子利用率低、三废排放量大等问题,被列入国家重点环境风险防控化学品名单; 2.技术封锁限制: 过氧化氢 生产技术受制于国外封锁, 国内固定床技术生产效率低、重大安全事故频发等问题; 3.产品性能与环保压力:高端领域应用受限,以及生产能耗和二氧化碳排放高,废水排放量大且COD、氨氮、总氮含量高,具有强生物毒性,影响生化 系统运行等问题。 对此,团队国际首创 环己烯酯化加氢制备环己酮新技术 :发明 负载型苯选择加氢催化剂和工艺,攻克高活性、高选择性不 ...
突破己内酰胺成套技术的“三道关卡”
Zhong Guo Hua Gong Bao· 2025-06-17 02:58
Core Viewpoint - The transformative caprolactam technology developed by the Sinopec Petroleum and Chemical Research Institute has been recognized as internationally leading, addressing key challenges in the domestic caprolactam industry [1] Group 1: Industry Challenges - Caprolactam is a crucial monomer for nylon 6, widely used in various sectors, but its production is energy-intensive and environmentally harmful [2] - Historically, China relied on imports for caprolactam, leading to significant investments to establish domestic production, which faced high costs and pollution issues [2] - The domestic caprolactam industry faces three major barriers: low carbon atom utilization and high emissions in traditional cyclohexanone production, technological restrictions on hydrogen peroxide, and quality issues in high-end applications [2] Group 2: Technological Innovations - The research team has pioneered a new cyclohexanone production technology that improves carbon atom utilization from 80% to over 95% and reduces waste emissions by 90% [3] - A novel fluidized bed technology for hydrogen peroxide production has been developed, enhancing safety and efficiency [3] - Key technologies have been created to improve the intrinsic quality of caprolactam, enabling it to meet high-speed spinning requirements and reducing CO2 and waste emissions by 43% and 73% respectively [4] Group 3: Collaborative Development - The successful industrialization of the new caprolactam technology is attributed to a collaborative innovation mechanism involving multiple stakeholders, including Sinopec and various research institutions [5] - The new technology has led to the establishment of the world's largest and most advanced caprolactam production facility, achieving significant reductions in CO2 and pollutant emissions, as well as production costs [5] - In 2024, this transformative technology is set to be recognized as one of the 30 major engineering projects by the Chinese Academy of Engineering [5]