| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
Membrane separation is a promising method for wet classification of nanoparticles, but it is difficult to continue the classification operation due to various disturbances such as a barrier by particles deposited on the membrane surface and a clogging by adhesion of particles to the membrane pores. However, the ultrasonic irradiation increases the voidage between the larger particles deposited on the membrane surface and suppresses the adhesion of smaller particles to the membrane pores, resulting in the stabilized classification operation with high accuracy and high speed. Moreover, the ultrasonic irradiation is also an effective method for the multistage membrane classification of polydisperse nanoparticles since it can assist a high-accuracy classification operation according to the membrane pore size.
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