Document Detail


Enhancement of sonochemical reaction of terephthalate ion by superposition of ultrasonic fields of various frequencies.
MedLine Citation:
PMID:  17336130     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The ultrasonic reactor with dual frequency was used and the effect of frequency on the fluorescence intensity of terephthalate ion was experimentally investigated in the frequency range from 176 to 635 kHz. The sonochemical reaction fields were visualized by using sonochemical luminescence of luminol solution. Compared with the fluorescence intensity of terephthalate ion for single frequency, the fluorescence intensity for dual frequency increased. The fluorescence intensity ratio of dual frequency to single frequency had maximum value when the frequency of transducer attached at the bottom wall was comparable in magnitude to that at the side wall. In the case of dual frequency, the sonochemical reaction fields became more extensive in the reactor and more intensive around the center of the reactor.
Authors:
Keiji Yasuda; Tatsuya Torii; Kyuichi Yasui; Yasuo Iida; Toru Tuziuti; Masaaki Nakamura; Yoshiyuki Asakura
Publication Detail:
Type:  Journal Article     Date:  2007-01-23
Journal Detail:
Title:  Ultrasonics sonochemistry     Volume:  14     ISSN:  1350-4177     ISO Abbreviation:  Ultrason Sonochem     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-05-28     Completed Date:  2007-08-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9433356     Medline TA:  Ultrason Sonochem     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  699-704     Citation Subset:  -    
Affiliation:
Department of Chemical Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan. yasuda@nuce.nagoya-u.ac.jp
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