DT新材料·2025-07-09 14:48Group 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]