capture system with wash system and processes of use
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Oct 18, 2011
filing date -
Oct 18, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and processes for reducing the energy requirements of an ammonia recovery stripper in a chilled ammonia-based CO2 removal system. The systems and processes include a nanofiltration or reverse osmosis unit for physically separating the washed liquid from a wash vessel configured to receive an ammonia slip feed stream from the main absorber of the chilled ammonia-based CO2 removal system and provide first and second feed streams. Relative to the washed liquid from the wash vessel, the first feed stream has a decreased ammonia molarity whereas the second feed stream has an increased ammonia molarity. The second feed stream is then fed to the ammonia recovery stripper, which reduces steam consumption. The reduced steam consumption translates to significant energy savings, among numerous other advantages. Additionally, the systems and process provide a reduction of equipment sizes related to the stripper unit as may be desired in some applications.
First Claim
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International Classification(s)
- 2011 Application Filing Year
- C02F Class
- 894 Applications Filed
- 701 Patents Issued To-Date
- 78.42 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C02F Class
- 0 % this patent is cited more than
- 7 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 | Aug 27, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 27, 2029 |
