Engineer Chemical Industry case studies
Engineer Chemical Industry · Put your knowledge to work in context.
The Engineer Chemical Industry credential is a professional certification for chemical engineers who design, operate, or supervise industrial process plants. It signals that a candidate can apply process thermodynamics, reaction engineering, separation design, control, safety, and environmental rules to real plant decisions, not just exam problems. The Engineer Chemical Industry case studies are 5 cases and about 5,024 words.
1Vent Condenser Cannot Meet a 150 mg/Nm³ Stack Limit at a Solvent Tank Farm
A tank farm stores methanol and toluene in three nitrogen-blanketed tanks. Two tanks hold methanol; the third holds toluene and is the one filled most often.
1,002 words, about 5 min220 % Debottleneck of a Fixed-Bed Hydrogenation Reactor With a Rising Pressure Drop
A fixed-bed reactor hydrogenates a diene impurity in a C4 raffinate over 3 mm trilobe nickel catalyst. The 2.4 m ID reactor holds 6 m of catalyst and runs at 25 bar with a 2:1 recycle.
1,048 words, about 5 min3Caustic Scrubber Efficiency Loss After a Packing Retrofit
A packed caustic scrubber treats 8,000 m³/h of vent gas at 25 °C and 1 atm containing 500 mg/Nm³ HCl. The 1.2 m ID column has 4 m of 50 mm plastic random packing irrigated with 5 % NaOH recirculated at 12 m³/h; the sump is held at pH 12.5.
964 words, about 5 min4Fired-Heater Temperature Loop Cycling After a Control-Valve Replacement
A fired crude preheat furnace discharges at 285 °C into a distillation column. The outlet temperature PID (4 s scan, derivative enabled) has oscillated with a 4-minute period and ±6 °C amplitude since a new control valve was installed.
996 words, about 5 min5Solvent Swap to a Low-Flash-Point, Peroxide-Forming Solvent Under a "Minor" MOC
A specialty chemicals batch plant is switching a 12 m³ reactor from xylene (flash point 38 °C, boiling 138 °C) to THF (flash point −14 °C, boiling 66 °C) for a new product. The reactor sits in a closed building with a nitrogen blanket, a 316L jacket, a 90 kW agitator motor and a graphite rupture disc set at 4 bar g.
1,014 words, about 5 min