Device for treating fluorine-containing water
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United States of America Patent
Stats
-
Jan 3, 2017
Grant Date -
Sep 3, 2015
app pub date -
May 15, 2015
filing date -
Oct 22, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for treating fluorine-containing water includes a fluorine treating unit treating the fluorine-containing water in which calcium carbonate packed towers are arranged in series in a plurality of stages; a fluorine passing unit passing the fluorine-containing water through the fluorine treating unit; an extracting unit extracting treated water from the fluorine treating unit; and a recovery unit recovering calcium fluoride from the calcium carbonate packed towers.
First Claim
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International Classification(s)
- 2015 Application Filing Year
- C02F Class
- 1613 Applications Filed
- 1106 Patents Issued To-Date
- 68.57 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C02F Class
- 27.53 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 3, 2028 |
