As an important part of the implementation of innovation-driven strategy, China Huadian Corporation announced on April 11 that the coal-to-aromatics technology developed by the company and Tsinghua University that has independent intellectual property rights of China and reached the international advanced level has been implemented in Huadian Coal Yulin Coal chemical base come out. Huadian Group Corporation, general manager of cloud citizens said: "In the process of building green energy, Huadian Group attaches great importance to the clean and efficient use of coal resources. The successful development of coal-based aromatic technology, creating a new way of coal-based energy and chemical industry, China's petrochemical raw materials Alternative, to seize the world's new opportunities for energy and chemical industry is of great significance. " Breaking the long-aromatherapy dependence on oil production Aromatic hydrocarbons are the bulk of basic organic chemical raw materials. At present, the annual consumption in China is more than 20 million tons. It is the key raw material for chemical fiber, engineering plastics and high performance plastics. It is widely used in the fields of fabric, aerospace, transportation , decoration, electrical products, Mobile communications and other fields. At present, more than 97% of aromatics sources rely on petroleum raw materials, and their prices are positively correlated with oil prices and are consistently high all year round. Not only that, it is understood that due to lack of capacity, at present, 40% of our aromatic hydrocarbons are imported from abroad. "This technology has filled the international gap and is a major breakthrough in the field of science and technology of modern coal chemical industry in our country. With a view to promoting the diversification of petroleum and chemical raw materials, To meet the market demand for the rapid growth of aromatic and other basic organic raw materials, to protect the national energy security has important practical significance and strategic significance. "China Petroleum and Chemical Industry Federation, vice president Zhou Zhuye said. Since the 21st century, using coal as a raw material instead of oil to produce basic chemicals and realizing clean and efficient utilization of coal resources has become the key direction for the development of new-type coal chemical industry and has been listed into the "12th Five-Year Plan for Science and Technology Development" of the country. Among the three key technologies (coal gasification, synthesis of methanol and methanol to aromatics) in the production of aromatic hydrocarbons from coal, coal gasification and syngas production have mature industrial technologies both at home and abroad. However, methanol to aromatics The industrialization of technology is still blank. After more than ten years of technical breakthroughs, Tsinghua University took the lead in the international development of methanol catalysts for a successful catalyst and large-scale chemical industry to facilitate the production of fluidized bed methanol-aromatics continuous reaction regeneration technology. In order to speed up the industrialization of technology, Tsinghua University and Huadian Group jointly develop their complete industrial technologies in a way that "enterprises are the mainstay of technological innovation, combining production with research." In 2012, the world's first 10,000-ton methanol-made aromatic industrial test unit was completed at Huayang Coal and Chemical Industry Base in Yulin, Shaanxi Province. In January 2013, the trial commissioning was successful. On March 18, 2013, the technology was commissioned by the National Energy Administration of China Petroleum and Chemical Industry. The concept of "green chemistry" runs through the technology For a long time, coal chemical industry on the one hand, there are many technical problems, on the other hand, is the issue of environmental protection, then the research and development of the coal-based aromatic technology to capture these two major problems? A press release on April 11 At the meeting, Hu Qiumin, Deputy Secretary-General of China Petroleum and Chemical Industry Federation, gave the opinion on behalf of the expert panel of the appraisal committee that the successful development of the methanol-to-aromatics catalyst in the fluidized bed lays the foundation for the development of a complete set of industrial coal- The bed of coal-based methanol to aromatic a complete set of innovative technology, the overall in the same class of leading technology in the world. "This advanced technology is mainly reflected in the operation of the core fluidized bed unit is very smooth, flexible, high degree of continuity and automation, methanol can be completely converted, 3.07 tons of methanol can produce 1 ton of aromatic hydrocarbons, and by-product A lot of hydrogen, process wastewater does not contain ammonia nitrogen, exhaust gas does not contain sulfur and nitrogen. "Jin Yong, a professor of chemical engineering at Tsinghua University and a member of the Chinese Academy of Engineering, said. Reporters learned that the research and development of coal to aromatics technology throughout the "green chemistry" concept: coal-based methanol production process has gone through desulfurization and denitrification, so that the generated aromatic sulfur and nitrogen-free impurities; methanol aromatization process Of hydrogen can be returned to the methanol synthesis unit to adjust the hydrocarbon ratio of syngas to increase production; methane and ethane produced during the process can be used as a fuel for the system to provide heat, but also can be used as hydrogen source to provide hydrogen source, under During the R & D process, the methane and ethane can be further converted into aromatics through the research and development of catalysts and processes. The process wastewater generated from the aromatization of methanol can be returned to the syngas unit of coal by treatment. Meanwhile, Dredging water can be supplied to the coal chemical industry. Through the comprehensive utilization of energy and materials in coal mines, power plants and chemical plants, the goal of maximizing comprehensive utilization of resources and substantially reducing pollutant emissions can be achieved. Ding Huandu, chairman of Huadian Coal Industry Co., Ltd., told the reporter: "As far as the enterprises themselves are concerned, the active development and application of coal-to-aromatics technology can extend the industrial chain and promote the optimization and upgrading of industries and structural adjustment. With technological innovation, the core competitiveness of enterprises can be achieved and the sustainable development can be achieved. Development. "It is reported that Huadian Shaanxi Yulin coal chemical base fully launched during the year, the world's first set of million tons of coal aromatics demonstration plant will gradually realize industrialization. China's coal resources are mostly distributed in the western region. The industrialization of this technology will also drive the development of downstream industries such as polyester, chemical fiber and textile. This will greatly facilitate the transfer of industries in the eastern part of the central and western regions with rich coal resources and promote the development of regional economy. Although technology has been successfully developed, there is still a long way to go in order to truly industrialize. Jin Yong, a member of the Chinese Academy of Engineering and a professor at Tsinghua University, told this reporter: "Success in technology research and development is only the first step. To achieve industrialization, there is still much work to be done. This is a systematic project and can not be achieved in a hurry. We must step by step I estimate this time at least 3 to 5 years. 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