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Fig. 2 – Omegabond® tubes
for SnamprogettiTM Urea
Plant
enables reactor conversion to be pushed upwards, The first tests on this revolutionary tube solution
thanks to better mixing efficiency of reactants and were conducted in 2005 at Fauji Fertilizer Ltd.,
increased mean residence time. Pakistan, while the first ever stripper installation
These operational findings are even more significant was at Gulf Petrochemical Industries Co., Bahrain.
if we consider that the extent of modifications was Thanks to the long-term strategy for technological
limited to two trays (about 15% of total) only for and operational excellence implemented by
each unit. these two licensees of the SnamprogettiTM Urea
Technology, this solution is now a reality on the
The new, revolutionary market.
OmegaBond®Tubing Technology allows Several benefits are obtained with OmegaBond®
for debottlenecking of existing plants technology: operation at more severe process
by operating at more severe process conditions, no need for stripper passivation, a
conditions, without the need for stripper reduction in maintenance costs and -in the case of
retrofits – additional available capacity as a result of
passivation, accompanied by lower a higher recycle within the high pressure synthesis
maintenance costs. loop.
At the present time, six installations of OmegaBond®
In conclusion, based on its proven features, Tubing have been successfully commissioned
SuperCups represent a completely innovative in the fertilizer world, all of which have confirmed
reaction device which can be advantageously improvements in plant efficiency and operation.
applied in new generation urea reactors as well as The new, revolutionary OmegaBond®Tubing
in retrofits of existing equipment. Technology allows for debottlenecking of
existing plants by operating at more severe
Omegabond® technology process conditions, without the need for stripper
passivation, accompanied by lower maintenance
The urea stripper is a high temperature, high costs.
pressure vertical falling-film heat exchanger
generally exposed to highly corrosive environmental Conclusion
conditions in the urea process. In addition to
Saipem’s well-known (in the urea field) proprietary The history of SnamprogettiTM Urea Technology
design of titanium and bimetallic strippers, which is can be described as a constant push towards
continuously updated and constantly improved, the continuous innovation and modernization with the
Company, through its longstanding collaboration twin aims of client satisfaction and sustainability.
with ATI, has also recently introduced an additional The technology’s bright future is sustained in
improvement for urea stripper design, known as particular by Saipem’s ability to marry technology
OmegaBond®Tubing Technology (figure 2). development with market requirements, applying
an approach that goes beyond the vision of a
70 Impiantistica Italiana - Luglio-Agosto 2016
