China Drying Network Co., Ltd. Recently, the second-generation lubricant isomerization dewaxing catalyst (PIC812) jointly developed by Dalian Institute of Chemical Physics, Chinese Academy of Sciences and China Petroleum and Petrochemical Research Institute, was used in PetroChina Daqing Petrochemical Co., Ltd., 200,000 tons/year high pressure. The hydrogenation unit industrial application succeeded in driving and yielded qualified clean base oil products in high yield.
The industrial application of the second-generation catalyst proves that the overall high-pressure hydroisomerization catalyst for lubricating oil in China has reached the international advanced level, and its wax removal rate, lubricant yield and other properties are excellent, and the physical and chemical properties and production costs are superior to those of similar products in the world.
According to the researcher Tian Zhijian, Director of the Division of Fossil Energy and Applied Catalysis at the National Laboratory of Clean Energy, Dahua Research Institute, the second-generation lubricant isomerization dewaxing catalyst uses a new molecular sieve carrier to adjust the operational flexibility and product selectivity. The non-lubricant ideal components in the oil are converted into ideal components that fully meet the specifications for clean high-grade lubricants. The 200,000-ton/year high-pressure hydrogenation unit has been operating for two months. It has produced high-yield 5cst and 10cst base oils with high yields of 200 SN and 650 SN. The base oil is white in appearance and has high saturated hydrocarbon content. High viscosity index and better stability.
Tian Zhijian told reporters that the very high and very high viscosity index base oils are very important for the deployment of high-grade multi-stage internal combustion engine oils and automatic transmission fluids. With the rapid increase in the processing volume of China's low-grade sulfur-containing crude oil and the requirements for ecological protection, the demand for clean lubricant production technology is increasingly pressing. Hydrogenation is an effective means and the only way to clean lubricating oil production. The production of high performance isomerization dewaxing catalysts and R&D process technology are the key to achieve an efficient hydrogenation process. In 2008, China's first generation of lubricant base oil isomerization dewaxing catalyst lubricants (PIC802) realized industrial applications and made irreplaceable contributions to the country's energy conservation, consumption reduction, and environmental protection. The plant has been operating for four years and has accumulated high-grade lubricant production. More than 500,000 tons of base oil has created considerable economic and social benefits.
On this basis, the Clean Energy National Laboratories worked closely with the Petrochemical Research Institute and catalyst manufacturing companies to develop a new second-generation lubricant base oil for the 200,000-ton/year high-pressure hydrogenation unit based on Daqing's refining requirements and market demand. Isomerization dewaxing catalyst.
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