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23-Chem-B2 Environmental Engineering: May 2016

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

  1. Question 1 Air & Water Pollution Abatement, Ammonia Removal
  2. Question 2 Control of Particulates, Toxic Gases and Odorous Vapours
  3. Question 3 Water Contaminants, BOD and Flotation
  4. Question 4 pH Control, Ion Exchange, Reverse Osmosis and Activated Sludge
  5. Question 5 Atmospheric Dispersion of SO2
  6. Question 6 Photochemical Smog, Halogenated Hydrocarbons and Odour Control
  7. Question 7 Soil Remediation and Measurement Technique Quality

Start with Question 1 →

National Exam 04-Chem-B2, Environmental Engineering — May 2016. 3 hours, Closed-Book Exam with a candidate-prepared 8½×11" double-sided aid sheet. Any five (5) of the seven questions constitute a complete paper (100 marks); all seven are solved below for completeness.

Reference texts: Metcalf & Eddy (Tchobanoglous, Burton, Stensel), Wastewater Engineering: Treatment and Reuse, 4th ed.; Davis & Cornwell, Introduction to Environmental Engineering, 5th ed.; Turner, Workbook of Atmospheric Dispersion Estimates, 2nd ed.; Cooper & Alley, Air Pollution Control: A Design Approach, 4th ed.