Urea production with bi-pressurized synthesis
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United States of America Patent
Stats
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Aug 13, 2019
Grant Date -
Jan 17, 2019
app pub date -
Mar 30, 2017
filing date -
Mar 30, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention is directed to a urea plant with a high pressure synthesis section and a recovery section. The high pressure synthesis section comprises a reactor, a stripper and a condenser, wherein the reactor operates at a higher pressure than the stripper and the condenser. The plant further includes a compression unit between the condenser and the reactor. The compression unit utilizes mechanical energy recovered from a decompression unit positioned downstream of the stripper and upstream of the recovery section.
First Claim
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International Classification(s)
- 2017 Application Filing Year
- C07C Class
- 3457 Applications Filed
- 2472 Patents Issued To-Date
- 71.51 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C07C Class
- 57.87 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 13, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 13, 2031 |
