Group 1 - The article highlights the breakthrough in caprolactam complete technology, which has achieved international leading standards and established the world's largest production facility with a capacity of 600,000 tons per year [1][4] - Caprolactam is a key monomer for nylon 6, widely used in various industries, but its production has faced challenges such as high energy consumption, emissions, and complex processes [2][3] - The new technology developed by the team includes innovative methods for producing cyclohexanone, significantly improving carbon atom utilization from 80% to over 95% and reducing waste emissions by 90% [2][3] Group 2 - The article discusses the development of a fluidized bed hydrogen peroxide production technology, which has broken the monopoly in this field and supports the production of caprolactam [5][6] - Despite China producing over 50% of the world's hydrogen peroxide, the traditional fixed bed technology has been inefficient, with production capacity significantly lower than that of foreign fluidized bed technologies [5][6] - The new technology integrates multiple innovations, enhancing production efficiency and enabling large-scale production, meeting the needs of caprolactam and other projects [7] Group 3 - The article notes that the new caprolactam technology has led to a reduction in CO2 and pollutant emissions by 56% and 74%, respectively, and a decrease in energy consumption by nearly 300 kg of standard oil per ton, along with a reduction in production costs by nearly 3,000 yuan per ton [4] - The fluidized bed technology has shown promising results, with a cumulative production of 585,000 tons of hydrogen peroxide in 2024, and significant reductions in energy and hydrogen consumption compared to previous years [8]

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]