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23-Chem-B6 Petroleum Refining and Petrochemicals: May 2018

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

  1. Question 1 Refining terminology, gasoline sources, delayed coking
  2. Question 2 Conversion processes; crude sulphur material balance
  3. Question 3 The alkylation unit (black-box analysis)
  4. Question 4 Two-column separation of a light hydrocarbon mixture
  5. Question 5 Vapour–liquid equilibrium: Raoult's vs Henry's law

Start with Question 1 →

National Exam 16-Chem-B6, Petroleum Refining and Petrochemicals — May 2018. 3 hours, OPEN BOOK (any non-communicating calculator permitted). Per the exam notes, FIVE (5) questions constitute a complete paper and each is of equal value (10 marks); Questions 1–3 require essay-format answers where clarity and organisation are marked, while Questions 4 and 5 (and the material balance in 2b) are quantitative. This paper contains exactly five questions, so all five are answered here in full.

Reference texts: Gary, Handwerk & Kaiser, Petroleum Refining: Technology and Economics, 5th ed. (CRC, 2007); Fahim, Al-Sahhaf & Elkilani, Fundamentals of Petroleum Refining (Elsevier, 2010); J. G. Speight, The Chemistry and Technology of Petroleum, 5th ed.; Smith, Van Ness & Abbott, Introduction to Chemical Engineering Thermodynamics, 8th ed. (VLE, Raoult/Henry); Felder & Rousseau, Elementary Principles of Chemical Processes, 4th ed. (material balances).