Method for removal of radioactive cesium and facility therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 26, 2016
Grant Date -
Nov 20, 2014
app pub date -
Oct 30, 2012
filing date -
Nov 18, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
To provide a method and an apparatus for removing radioactive cesium from waste containing radioactive cesium at low cost. A radioactive cesium removal apparatus 1 including: an incinerator 22 for burning an inflammable waste polluted with radioactive cesium; a suspension preheater 23 for, with the combustion exhaust gas G5 and a sensible heat of the incineration ash of a combustible C discharged from the incinerator, generating calcium oxide or/and magnesium oxide from a source of calcium oxide or/and a source of magnesium oxide, cyclones of the suspension preheater being arranged in multistages; a rotary kiln 21 for burning an inorganic substance S polluted with radioactive cesium together with the calcium oxide or/and the magnesium oxide and the incineration ash D3 including the radioactive cesium; and collectors 31, 32 for collecting cesium volatilized in the rotary kiln.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2012 Application Filing Year
- G21F Class
- 120 Applications Filed
- 100 Patents Issued To-Date
- 83.34 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- G21F Class
- 0 % this patent is cited more than
- 9 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 | Jan 26, 2028 |
