The Institute of Coal Chemistry of the Chinese Academy of Sciences has developed a complete set of process technology for a complete new generation of high-temperature slurry bed coal oil after technical research. The reporter visited the technical team of Huairou Science City, the National Science and Innovation Center in Beijing, on the 18th. Li Yongwang, general manager of Sino-Synthetic Oil Technology Co., Ltd., said that coal-based oil mainly has two technical routes of direct liquefaction and indirect liquefaction. The indirect liquefaction route refers to syngas that is first gasified and converted to carbon monoxide and oxygen. The synthesis gas reacts under the action of a catalyst to form a hydrocarbon mixture, which is then processed to produce a liquid oil. The photo shows Yang Yong, deputy general manager and director of the R&D Center of China National Synthetic Oil Technology Co., Ltd., is introducing the world's largest single-season coal-oil commercial device sandbox with an annual output of 4 million tons. Photo by Wang Xiaoliang Li Yongwang began targeting the slurry bed synthetic oil technology with obvious technological advantages in 1997 and hopes to build a million-ton-ton coal-to-oil plant in China. After more than ten years of research, he and his team formed a complete set of process technology for a new generation of high-temperature slurry bed coal oil in 2008. It is internationally defined as medium-temperature Fischer-Tropsch synthesis (MTFT) technology, which has been recognized by many coal companies. . In 2011, China Shenhua Ningmei Coal Group decided to use the high-temperature slurry bed coal oil production technology developed by Li Yongwang's R&D team to build the world's largest single-cylinder coal oil business unit with an annual output of 4 million tons. In December 2016, a coal-to-oil plant with an annual output of 4 million tons was built and successfully tested, producing high-quality diesel, naphtha, wax and other products, making China one of the few countries that mastered coal-to-oil technology. Ranks. Yang Yong, deputy general manager and director of R&D Center of Sinochem Synthetic Oil Technology Co., Ltd., introduced that the technological advancement of Shenhua Ning Coal Engineering is also reflected in the highly efficient catalyst of the original formula, which has greatly increased the reactivity, “1,000 tons of oil can be produced per ton of catalyst. The oil production capacity is more than 3 times higher than the low-temperature slurry bed." In addition, the project also formed a highly water-saving process technology for coal-to-oil production, which reduced the water consumption per ton of oil from 10 tons to less than 8 tons. This 1000-member technical team is not satisfied with this. They have recently been committed to solving the problem that lignite, bituminous coal and other large-scale low-rank coal resources are difficult to use effectively, and proposes a new coal-to-liquid process for the liquefaction of low-rank coals. This technology has completed the trial operation of an industrial pilot plant that handles 10,000 tons of lignite a year. It is planning and designing a commercial plant of one million tons in Xinjiang, and it is another “peak†for impacting coal-to-oil technology. (Reporter Zhang Su)
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