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Mitigate fouling in crude unit overhead—Part 3

12.01.2013  |  Sloley, A. W.,  CH2M, Bellingham, Washington

Keywords: [distillation] [fouling] [heat transfer] [crude unit] [water wash] [corrosion] [internals]


The basis for this case study is shown in Fig. 18; it is a crude unit with overhead heat integration. This is a one-drum overhead system with heat integration and no water wash. In an attempt to avoid corrosion, the unit configuration takes diesel through heavy naphtha as a single overhead product. The operating conditions are for a mid-run on 21.6°API (0.9241) mixed-crude blend (Fig. 18).

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