Method of introducing melamine off-gases into a urea plant
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United States of America Patent
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Jul 1, 2003
Grant Date -
N/A
app pub date -
May 18, 2001
filing date -
Dec 3, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for producing urea. According to said method, the off-gases which originate from a melamine plant and essentially consist of NH.sub.3 and CO.sub.2 are introduced into the high-pressure zone of the urea plant by means of ejectors.
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