Enterprise expands Norco gas fractionation plant

Enterprise Product Partners LP expanded its NGL fractionation plant in Norco, La., to feed 75,000 b/d to its de-ethanizer and 90,000 b/d of raw feed (less ethane) to its depropanizer. After expanding the plant in 1997 for a throughput of 70,000 b/d of relatively lean NGL feed with a propane and heavier capacity of about 42,000 b/d, Enterprise anticipated higher flow rates and a much heavier NGL feed.The expanded plant started up in November 2003. Because of increased heat integration, the utility efficiency of the plant decreased about 15% in terms of btu/gal of feed.The new expansion uses more-extensive heat integration to lower utility costs and, where possible, the new design used exis...

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