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Uhde
Uhde
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Advantages of the Urea 2000plus technology
Savings in investment costs due to the reduction in size and – for the pool reactor concept – also the number of high pressure items
Operational advantages:
more stable level / pressure control
less sensitivity to changes in the load or the N/C ratio
fast capacity change of the plant due to self-regulating heat transfer characteristics
Reduced construction height, resulting in reduced construction costs
Improved heat transfer leading to reduced heat exchanger area
New features in recent plants using Urea 2000plus technology
The high pressure section of recently-built urea plants are made of Safurex, a duplex steel specially developed for the Stamicarbon urea process by Sandvik, Sweden. This steel offers excellent corrosion resistance and high toughness and permits a reduction in the amount of added passivation air.
For plants with state-of-the-art capacities Uhde applies Flowserve centrifugal pumps in ammonia and carbamate high pressure service. These pumps were newly introduced for this application and lived up to expectations in the Qafco 4 fertilizer plant. They proved to be highly reliable and require minimum maintenance.
Common highlights for all CO2 stripping processes
Low energy consumption
High process efficiency leading to low raw material consumption figures
High on-stream times (reliability)
Low corrosion rates
High safety standards
Low emissions
Simple operation
Easy maintenance
