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23-Chem-B6 Petroleum Refining and Petrochemicals: May 2016

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Reading the Overall Refinery Block Flow Diagram
  2. Question 2 The Atmospheric (Crude) Distillation Unit
  3. Question 3 Characterization of a Crude Oil Cut
  4. Question 4 The Hydrotreating (Hydrodesulphurization) Process
  5. Question 5 Identifying and Describing the Coking Unit

Start with Question 1 →

Paper format: Open-book, 3 hours; five questions of equal value (10 marks each), and exactly five questions constitute a complete paper — all five printed questions are solved below. Most parts call for concise, qualitative essay answers built on the given flow sheets; Question III is a short characterization calculation.

Reference texts: Gary, Handwerk, Kaiser & Geddes, Petroleum Refining: Technology and Economics (5th ed., CRC Press) — refinery configuration, conversion and treating units, product cuts; Fahim, Al-Sahhaf & Elkilani, Fundamentals of Petroleum Refining (Elsevier) — crude characterization factors, hydrotreating, coking, catalytic cracking; Jones & Pujadó, Handbook of Petroleum Processing (Springer) — unit operating windows; supporting property data from Perry’s Chemical Engineers’ Handbook (9th ed.).