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The first trial run of the refrigeration unit for the polypropylene plant at Yueneng Chemical was completed. Author/Source: Beijing Petrochemical Engineering Co., Ltd. Date: October 23, 2020. Clicks: 6. On October 21, the centralized refrigeration unit for the 400,000-ton/year polypropylene plant (hereinafter referred to as “PP3 plant”) as part of the phase-one completion project at Yueneng Chemical, which was undertaken under EPC contract by Beijing Petrochemical Engineering Co., Ltd., completed its trial run with feed material in place. This marks another important step in the preparation process prior to the actual start of operations of the polymerization system in the PP3 plant. Once put into operation, this refrigeration unit will primarily supply qualified chilled water to the polymerization reaction system of the PP3 plant. The maximum allowable pressures on its high and low pressure sides are 2.07 megapascals; the rated cooling capacity is 1250 kilowatts, the rated power is 311.3 kilowatts, and the performance coefficient of the entire unit is 4.02. The main components such as the compressor and evaporator are arranged in a compact skid-mounted configuration, resulting in an efficient use of space. The successful operation of this drive provided a reliable peripheral support for the reaction and polymerization powder system of the PP3 unit to start up with material as planned.