Monday, 17 December 2012

Sandvik Training: The Urea Process, Material and Selling Points


lAmmonia is invisible, toxic gas, heavier than air
üLeakage means people may inhal the gas and die due to suffocating
Several accidents in the past
lCorrosion can cause leaks 
üCarbon steel will fail quickly in contact with carbamate
üStainless can also corrode very fast 60 mm/year!
Faulty material or fabrication ( welding)
No addition of oxygen / air for passivation
faulty operation e.g. too high temperature
lMany safety precautions
üProper material, fabrication, inspection, operation
üDetection systems for leakage of ammonia
 
Urea internal training .pptUrea internal training .ppt
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