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n this assessment, you are to synthesize a process flowsheet and determine process
conditions by utilizing appropriate chemical engineering principles, methods, and
tools.
Production of Monoethanolamine (MEA)
A new facility to produce Monoethanolamine (MEA) is being considered due to an
increase in demand. Therefore, you have been requested to design a plant to produce
10,000 metric tons per annum of MEA (at 99.5% purity). The plant is to be located in
Richards Bay, South Africa.
The following feed streams are available:
• Ammonia feed is available at 10 atm and 50°C from an adjacent plant.
Ammonia is available as an aqueous solution of 55 wt.% of ammonia and 45
wt.% water.
• Ethylene Oxide (99.99% pure) is available at 5 atm and 40°C.
• A reaction temperature of 150 oC is maintained in the reactor, and a pressure
of 160 atmospheres to avoid the evaporation of ammonia.
• Under specified conditions of reaction, only MEA is produced when the feed
ratio of Ammonia /Ethylene oxide is 10.
• The plant should operate for 330 days a year to allow for shutdown and
maintenance.
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