APPLICATIONS OF ULTRASONIC ENERGY. Progress Report No. 14 Covering Period from February 1, 1959 to March 31, 1959
Technical Report
·
OSTI ID:4214487
Several surfactants were evaluated in the ultrasonic agglomeration of KCl aerosol, a simulant for radioactive dispersions. These experimental studies indicate that the extent of coalescence is probably influenced by chemical properties of the aerosols. Multistage equipment for gaseous coalescence was assembled, and preliminary tests indicated it to be more effective than single- stage agglomeration. The tantalum crucible assembly for the ultrasonic extraction of plutonium from uranium with molten magnesium has been received. In preliminary testing of this vessel, at room temperature, microphone measurements revealed a relatively uniform ultrasonic intensity field across the crucible and slightly decreasing intensity from the bottom to the top of the vessel. Additional measurements of the ultrasonic dissolution rate of thorium in mercury showed the rate of attack to be significantly higher at the boiling point of mercury than at lower temperatures. Under the conditions of the experiment, the rate of attack was independent of the exposure time. The rate of ultrasonic erosion of AISI 304 stainless steel in boiling mercury was found to be somewhat lower than the rate at 150 deg C, confirming the previously observed trend toward reduced erosion rate with increasing temperature. On the basis of current data, it appears that ultrasonic leaching of a simulated alumina waste containing cesium can be effectively accomplished at a power level of 100 watts in 24 hours. Continuous flow treatment was effective, using 0.01 N HNO/sub 3/ and a waste-to- leaching liquid ratio of 1:100. Batch treatment was less effective, even at higher power levels. Preliminary work has indicated an increase in the total capacity of an ion exchange resin in a test column operation when ultrasonic energy is applied. In addition, the breakthrough capacity was increased, and the column performed more nearly at equilibrium conditions than in a control run without ultrasonics. (For preceding period see NYO-7934.) (auth)
- Research Organization:
- Aeroprojects, Inc., West Chester, Penna.
- NSA Number:
- NSA-13-018904
- OSTI ID:
- 4214487
- Report Number(s):
- NYO-2568
- Country of Publication:
- United States
- Language:
- English
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