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“\"Technologies for the clean and efficient utilization of coal and related industrial demonstrations\" were listed among the major scientific and technological achievements of the 40 years since the reform and opening up. Author/Source: Huahua Network – Coal Chemicals. Date: 2018-12-21. Clicks: 13. On December 19, the Chinese Academy of Sciences announced on its official website 40 representative and significant scientific and technological achievements it has produced over the past 40 years since the reform and opening up. These include 15 scientific and technological achievements focused on the forefront of world science and technology, such as \"Research on high-temperature superconductors\"; 15 achievements aimed at meeting major needs, such as \"Science and applications in manned spaceflight and lunar exploration projects\"; and 10 achievements targeted at the key areas of the national economy, such as the \"Science and technology initiatives in the Huanghuaihai region and the science and technology demonstration projects for the Bohai Sea grain belt\". “\"Core Technologies and Industrial Demonstrations for the Clean and Efficient Utilization of Coal\" was selected as one of the major scientific and technological achievements over the 40 years since the reform and opening up. Core Technologies and Industrial Demonstrations for the Clean and Efficient Utilization of Coal: The Shanxi Institute of Coal Chemistry has independently developed a high-temperature iron-based slurry-bed technology for the indirect liquefaction of coal; its key technical parameters are at the international leading level, and this technology won the Chinese Academy of Sciences Award for Outstanding Scientific and Technological Achievements in 2005. Significant progress has been made in the first three industrial demonstration projects on a million-ton scale built using this technology as a core. The 4 million tons per year coal indirect liquefaction project at Shenhua Ningmei and the 1 million tons per year project in Hangjinqi, Inner Mongolia, have both achieved full-capacity and even over-capacity operation successfully ； The 1 million tons per year coal indirect liquefaction demonstration project in Lu’an, Shanxi, has also begun to produce oil and is moving toward full capacity operation. The successful large-scale industrial demonstration, promotion, and application of this technology indicate that China has mastered the world-leading core industrial technologies for million-ton-scale coal indirect liquefaction projects. The Dalian Institute of Chemical Physics has developed a set of industrial-scale technologies for the production of low-carbon olefins from methanol (DMTO) with independent intellectual property rights; the methanol conversion rate is nearly 100%, and the selectivity for low-carbon olefins reaches 90%, which is at the world’s leading level. On August 8, 2010, the world’s first industrial plant utilizing this technology – capable of producing 600,000 tons of olefins from 1.8 million tons of coal – was successfully commissioned at Shenhua Baotou, marking a breakthrough in the industrial production of olefins from coal on a global scale. Won the Chinese Academy of Sciences Award for Outstanding Scientific and Technological Achievements in 2011, and the First Prize for **Technical Invention in 2014. By the end of 2017, DMTO technology had been licensed for 24 units, with an olefin production capacity of 13.88 million tons per year (accounting for about one-third of the national total) ； 12 units have been put into operation, with an olefin production capacity of 6.46 million tons per year. In January 2017, an industrial demonstration plant with a capacity of 100,000 tons per year for the production of ethanol via dimethyl ether carbonylation (DMTE) was successfully established in Yanchang, Shaanxi Province. This technology can also be used to produce anhydrous ethanol from the exhaust gases generated by coking plants or steel mills. In 2016, the Dalian Institute of Chemical Physics overcame the water- and energy-intensive water-gas shift process that has been used in the coal chemical industry for over 90 years, and developed a new route for the efficient production of olefins from coal-based syngas, thereby establishing a new method for coal conversion with low water consumption. In 2008, the Fujian Institute of Physical Chemistry pioneered in the world a set of technologies for the gas-phase catalytic synthesis of oxalates from carbon monoxide on a scale of 10,000 tons, as well as for the catalytic hydrogenation of oxalates to produce ethylene glycol (ethylene glycol produced from coal). In Tongliao City, Inner Mongolia, the world’s first industrial demonstration plant for producing ethylene glycol from coal with an annual capacity of 200,000 tons was successfully built, thereby ending China’s long-term reliance on imported raw materials for ethylene glycol. This achievement won the 2009 Outstanding Scientific and Technological Achievement Award from the Chinese Academy of Sciences. 6 units have been licensed for technology use and brought into operation, resulting in a production capacity of 1.2 million tons. The core technologies for the clean and efficient utilization of coal, along with related industrial demonstrations, have enhanced China’s research capabilities in the field of new coal chemical industries. A number of strategic key technologies have been developed, enabling China to gain a competitive edge in certain technological areas on the international stage. These technologies provide essential support for enterprise transformation, industrial upgrading, and the development of strategic emerging industries. They hold great strategic significance for China in terms of making use of its coal resources, alleviating the shortage of oil resources, ensuring energy security, and protecting the ecological environment.