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Optimize slop-wax bed height in the vacuum unit

09.01.2013  |  Gupta, A.,  Reliance Industries, Ltd., Jamnagar, IndiaPatil, R. C.,  Reliance Industries, Ltd., Jamnagar, IndiaDas, A. K.,  Reliance Industries, Ltd., Jamnagar, IndiaYadav, M. ,  Reliance Technology Group, Reliance Industries Limited, Jamnagar, Gujarat, India

Keywords: [crude distillation] [vacuum distillation] [vacuum residual] [gasoil] [VGO] [HVGO] [LVGO]

The vacuum distillation (VD) unit in the petroleum refinery separates the heavier fraction of crude oil from the atmospheric distillation unit (ADU) into light vacuum gasoil (LVGO) and heavy VGO (HVGO) under a vacuum to avoid thermal cracking of the heavier hydrocarbons. The two-phase mixture of the reduced crude oil (RCO) liquid and vapor from the ADU enters the VD column flash zone and flashes further under low pressure.

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