China Drying Network Co., Ltd. China's first set of 120,000 tons/year coal tar full-distillation hydrogenation industrialization demonstration project developed by the oil-rich company has been continuously and safely operated for 264 hours. The equipment load rate reached 81.3%, and cumulatively produced 2,606 tons of diesel oil and 496 tons of naphtha fraction. Coal tar conversion rate of 100%, diesel + naphtha fraction yield of 96.31%, the indicators reached or better than the design value. This indicates that China has successfully overcome the technical problems of hydrogenation of coal tar full fractions.
It is understood that at present, several sets of low-temperature coal tar hydrogenation in China to produce clean fuel oil device, due to the pre-separation of about 16% of the pitch coke, the diesel + naphtha yield up to no more than 82%. The full-scale hydrogen scavenging technology of coal tar developed by the Oil-rich company uses electric field purification instead of delayed coking and segmentation technology to achieve full-scale hydrogenation of coal tar. The yield of diesel and gasoline is as high as 96.31%. Percentage. The hydrogen needed for the hydrogenation process is all extracted from the tail gas of the coal pyrolysis process, which has the characteristics of small investment, sufficient resource utilization, high oil yield, and good economic returns.
Experts said that the total production capacity of the coal intermediate low-temperature carbonization project currently under construction in China has reached 17 million tons. If all the oil-rich company technologies are used, 16.5 million tons of clean fuel such as diesel, naphtha and liquefied gas can be obtained each year. If the technology is popularized and applied, in the future, it is only necessary to take 1/10 of low rank coal suitable for pyrolysis and tar extraction in Shaanxi Yulin, Inner Mongolia Erdos, Xinjiang Hami, etc. for processing, so that billions of tons of clean fuel oil can be obtained. It supplies tens of billions of tons of clean raw materials and fuels (semi-coke) with high calorific value and good activity for the power and chemical industries, thereby alleviating the pressure on China's oil supply and solving the raw material supply and environmental pollution problems in the power and chemical industries.
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