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From July 21st to 26th, the polyethylene catalyst PSE-CX2 independently developed by China Petroleum and Petrochemical Research Institute was successfully applied for the first time in Lanzhou Petrochemical Company Mitsui Slurry Polyethylene Plant, and a total of qualified heat-resistant polyethylene pipe resin L5050 was produced.
The production volume of more than 800 tons marks the breakthrough of CNPC's independent research and development of catalysts for three-tank series slurry process
.
At present, the series connection of three kettles is the main process for producing high-end polyethylene products
.
This industrial test needs to go through complex processes such as catalyst switching, one-to-three-pot polymerization process switching, and product brand switching, which increases the difficulty
.
The success of this industrial test marks that the independent research and development technology of slurry catalysts of the Petrochemical Institute has achieved full coverage, and the research and development capabilities of three-pot multimodal polyethylene products have been further improved, effectively helping enterprises to improve the quality and efficiency of slurry polyethylene equipment, and provide the Group The high-quality development of the company's polyolefin business provides strong technical support
.