Vacuum distillation plays a critical role in improving yields for petroleum refiners, by producing high-value petroleum products out of the heavier oils left over from atmospheric distillation. So what happens when the VDU is not performing at optimal conditions?
Whether your refinery is experiencing ambient temperatures rise during the summer season, increased gas production due to process conditions, or delays in heat exchanger or condenser cleaning and/or maintenance, off-sets at the ejectors will cause a sudden loss of the sonic boost, a gradual loss of velocity boosts and a corresponding increase in vacuum tower pressure. When the vacuum tower pressure increases there is a potential for both yields and profitability to suffer. This white paper details the reasons why vacuum pressure might increase and how these effects can be effectively mitigated through an engineered solution with Aggreko's experts.
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