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• What are the best practices in degassing the recycle gas circuit of a hydrotreater in preparation for major works or turnaround? 

  Mar-2024

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Answers

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• Marcio Wagner da Silva, Petrobras, marciows@petrobras.com.br

  My experience is that these operating systems are degassing through the injection of nitrogen using a sequence of pressurizations (The system is pressurized around 5 kgf/cm2) and depressurizations followed by the draining of the low points.

  Mar-2024