Rerating of compressors, motors debottlenecks hydrocracker

Based on a presentation to the NPRA Annual Meeting, San Antonio, March 26-28, 2000.A Midwest US refinery added $3.1 million to its bottom line by debottlenecking two hydrogen makeup compressors in its hydrocracker complex (HCC). BP PLC and the refiner worked with the compressor manufacturer to debottleneck both compressors to 112.4 % of their original design flow rates.The team has recommended further debottlenecking of these compressors to 144.1% of their design capacities in the future. It has also developed a plan to debottleneck the existing motors to 125% of their rated horsepowers with the 144.1% option.Maintaining and improving compressor reliability and operating flexibility are t...

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