HKIE Professional Assessment - Chemical Discipline case studies
HKIE Professional Assessment - Chemical Discipline · Put your knowledge to work in context.
The HKIE Professional Assessment in the Chemical Discipline is the route by which a graduate chemical engineer in Hong Kong demonstrates the competence expected of a professional member of the Hong Kong Institution of Engineers. It is intended for engineers who have completed an accredited degree and a period of structured professional training, and who now seek the professional title and the responsibilities that accompany it. The HKIE Professional Assessment - Chemical Discipline case studies are 5 cases and about 5,121 words.
1Winter Letdown Hydrate Risk: Simulation Says 9 °C, the Plant Says 18 °C
A gas terminal in Hong Kong takes rich gas at 92 barg and 32 °C and lets it down to 28 barg through a single Joule–Thomson valve ahead of the metering skid. The gas runs 3.6 mol% CO2, 1.1 mol% C3+ and 60 ppm H2S, and is water-saturated at the inlet.
1,001 words, about 5 min2Debottlenecking a Depropanizer That Is Already at 95% of Flood
A 2.4 m diameter, 40-tray valve-tray depropanizer at an LPG terminal is running at 95% of its flooding limit, with a tray pressure drop that has risen from 0.4 to 0.7 kPa per tray over 18 months. The business wants 15% more feed to capture a short-term export window.
1,080 words, about 5 min3Late Initiator, Lost Cooling: Judging Safeguards on a Batch Resin Reactor
A 6 m3 jacketed batch reactor at a Hong Kong resin plant makes an acrylic emulsion. Monomer is charged, the batch is heated to 80 °C, and initiator is added in one shot; the cook then runs about four hours.
1,028 words, about 5 min4Chloride Stress Corrosion Under Insulation on a Coastal 316L Line
At a coastal Hong Kong terminal, a 6 inch, 8.6 mm nominal wall 316L stainless steel LPG line runs at 65 °C. It is insulated with mineral wool under aluminium cladding for personnel protection.
990 words, about 5 min5Certificates That Do Not Add Up, and a Friday Restart
You are the plant engineer at a Hong Kong food factory operating an ammonia refrigeration system, an air receiver and a small steam boiler. During a planned shutdown, the maintenance contractor submits an examination pack for 12 safety valves.
1,022 words, about 5 min