Co-producing apparatus for salt and fresh water and co-producing method of the same
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United States of America Patent
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Aug 5, 2014
Grant Date -
Dec 15, 2011
app pub date -
Aug 7, 2009
filing date -
May 28, 2009
priority date (Note) -
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Abstract
An embodiment of the present invention includes: a recycle line that brings a part of salt-enriched membrane separation concentrated water 26 back to the rear flow side of a pretreatment apparatus 12; a water discharge line that discharges the remained concentrated water into a sea area; and a control apparatus 31 that controls to adjust the ratio between the discharging amount of the discharging membrane separation concentrated water to be discharged into a sea area and the supplying amount of supplying seawater. A pH is set to be equal to or less than 7.3 by adding acid 21. The salt 18 is obtained from the dryer 19, and produced water (fresh water) 29 is obtained by combining evaporated water 28 supplied from the evaporator 16 with the permeated water 24 supplied from the reverse osmosis membrane apparatus 25.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MITSUBISHI HEAVY INDUSTRIES, LTD.
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ito, Yoshiaki | Nagasaki, JP | 166 | 1830 |
Iwahashi, Hideo | Nagasaki, JP | 18 | 39 |
Kakigami, Hidemasa | Nagasaki, JP | 11 | 25 |
Matsui, Katsunori | Nagasaki, JP | 24 | 43 |
Takeuchi, Kazuhisa | Nagasaki, JP | 33 | 140 |
Tanaka, Kenji | Nagasaki, JP | 451 | 5907 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 5, 2026 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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