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Paper Abstract and Keywords
Presentation 2018-05-25 11:05
[Invited Talk] Sonochemistry, harnessing ultrasound to chemistry
Susumu Nii (Kagoshima Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The lecture introduces sonochemistry, in which ultrasound is actively applied to chemistry in liquids to ignite unique chemical reactions and also to enhance the reaction rates due to various bubble effects. Ultrasound propagation in liquid medium rather creates bubbles which provide a "field" for chemical reactions than stimulates molecular motions such as vibration or rotation as can be seen under the irradiation of microwaves. These bubbles in oscillation lead to violent collapse of bubbles that produces extremely high temperature and pressure within a small field in liquids. On such conditions, highly reactive chemical species, radicals, are generated to be reacted with chemical species already existing in liquids. Also, there are physical effects such as shockwave and jet flow that enhances cleaning of solid catalyst surface and accelerates catalytic reactions. Both chemical and physical effects come into play in sonochemisty. Some applications of sonochemistry, extraction, coagulation and sonocrystallization are to be introduced.
Keyword (in Japanese) (See Japanese page) 
(in English) ultrasound / chemistry / cavitation / cleaning / micro jet / extraction / crystallization /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 52, SAT2018-8, pp. 37-40, May 2018.
Paper # SAT2018-8 
Date of Issue 2018-05-17 (SAT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SAT WBS  
Conference Date 2018-05-24 - 2018-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Coding, Modulation, Signal processing and General 
Paper Information
Registration To SAT 
Conference Code 2018-05-SAT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Sonochemistry, harnessing ultrasound to chemistry 
Sub Title (in English)  
Keyword(1) ultrasound  
Keyword(2) chemistry  
Keyword(3) cavitation  
Keyword(4) cleaning  
Keyword(5) micro jet  
Keyword(6) extraction  
Keyword(7) crystallization  
1st Author's Name Susumu Nii  
1st Author's Affiliation Kagoshima University (Kagoshima Univ.)
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Date Time 2018-05-25 11:05:00 
Presentation Time 50 
Registration for SAT 
Paper # IEICE-SAT2018-8 
Volume (vol) IEICE-118 
Number (no) no.52 
Page pp.37-40 
#Pages IEICE-4 
Date of Issue IEICE-SAT-2018-05-17 

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