Decimating Downtime In-Situ Cleaning of 4,700 Tubes in 3 Shifts The HDPE unit in a major petrochemical plant was experiencing loss of heat transfer efciency on a vertical heat exchanger with 4700 tubes, and they were forced to conduct a quick turnaround over the period of jus one week. The problem was that almos 35% of the 4,700 tubes were fully plugged and the remaining tubes had a heavy residual polymer scale. No contractor had ever previously cleaned the tubes in this condition back to near design efciency, let alone in less than one week. The client was facing the reality of having to resart the unit without having achieved the desired level of cleaning. After our job walk, we opted to utilize three Hydrokinetic units operating simultaneously on this job with crews operating the equipm

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