STUDIES ON TREATMENT OF RADIOACTIVE LIQUID WASTES BY FALLING FILM EVAPORATOR (in Japanese)
Journal Article
·
· Nippon Genshiryoku Gakkaishi (Japan)
OSTI ID:4128576
A falling film evaporator is proposed for treatment of radioactive waste solutions. A test apparatus was manufactured, and its decontamination capacity was studied using water and CMC aqueous solutions as Newtonian and non-Newtonian fluids, respectively, and LiCl as a tracer. When the liquid flow rates are 200 to 300 1/hr, and vapor mass velocities 100 to 1,000 kg/m/sup 2/hr, the decontamination factors are about 10/sup 5/ for the Newtonian fluid, which coincides well with the results previously obtained with a standard type evaporator, and about 10/sup 4/ for the non-Newtonian fluids. The mean retention time for the Newtonian fluid is about 0.26 sec, and that for the non-Newtonian fluid about 3.2 sec, when the liquid flow rate is about 200 1/hr. (P.C.H.)
- Research Organization:
- Kyoto Univ.
- NSA Number:
- NSA-18-006543
- OSTI ID:
- 4128576
- Journal Information:
- Nippon Genshiryoku Gakkaishi (Japan), Journal Name: Nippon Genshiryoku Gakkaishi (Japan) Vol. Vol: 5; ISSN NGEGA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
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