兖矿新疆煤化工有限公司：技术升级铺就绿色转型路

Core Insights - Yancoal Xinjiang Coal Chemical Co., Ltd. is undergoing a green transformation in coal processing, utilizing multi-nozzle water-coal slurry gasification technology to efficiently convert raw coal into clean products like methanol and urea, with all gasification residues recycled for building materials [1][2] Group 1: Green Production Practices - The company has been recognized as a national "Green Factory" in 2023, providing a replicable model for high-energy-consuming industries in Northwest China [1] - Implementation of a dust recovery revolution has led to a 95% recovery rate of exhaust dust, reducing dust emissions by 120 tons annually [1] - The company has achieved ultra-low emissions from boilers, with particulate matter concentration indicators exceeding national standards by 30% [1] Group 2: Technological Innovations - The company has achieved a carbon conversion efficiency of 99% with a carbon residue content below 3% through proprietary gasification technology [2] - It has successfully recovered 15,000 tons of sulfuric acid annually from hydrogen sulfide, achieving zero external discharge of harmful gases [2] - Energy consumption in the methanol synthesis process has been reduced by 8%, saving 12,000 tons of standard coal per year [2] Group 3: Production and Emission Metrics - Annually, 1.05 million tons of raw coal is converted into 300,000 tons of methanol, 520,000 tons of urea, and 60,000 tons of melamine, increasing coal value by 3.2 times [2] - The company has reduced unit product energy consumption by 12% compared to initial production levels, with carbon emission intensity 15% better than the industry average [2] - Solid waste utilization is managed with 100% compliance in hazardous waste disposal, with most gasification residues being reused or sold to brick manufacturers [2] Group 4: Future Initiatives - The company plans to implement a dust closed-loop plan by 2025, aiming for near-zero emissions in urea production [2] - It is collaborating with surrounding enterprises to establish a hazardous waste recycling network, promoting a green chemical cluster [2][3] - The company is sharing its green factory experience with other subsidiaries to facilitate low-carbon transformation in the regional coal chemical industry [3]