USE OF UREA SYNTHESIS PURGE GAS IN AN INTEGRATED AMMONIA-UREA PROCESS AND RELATED PLANT
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Jul 3, 2013
filing date -
Jul 25, 2012
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Abandoned
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Abstract
An ammonia-urea plant where purge gas stream (3) generated in the urea section is used as ammonia source for selective catalytic reduction of nitrogen oxides in combustion fumes (4) which are emitted by the ammonia section; a related process and a method for modification of an ammonia-urea plant are also disclosed.
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