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On Sterilization Using the Underwater Shock Wave Under Non-Heating Environment

[+] Author Affiliations
Ayumi Takemoto, Asuka Oda, Shigeru Itoh

Kumamoto University, Kumamoto City, Kumamoto, Japan

Masayoshi Iwahara

Sojo University, Kumamoto, Japan

Paper No. PVP2006-ICPVT-11-93443, pp. 303-308; 6 pages
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 4: Fluid Structure Interaction, Parts A and B
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4755-1 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME


The establishment of the sterilization technology in non-heating environment is requested in the food industry and a lot of other fields. The existing sterilization technology using the high pressure is mainly liberating rapid pressure and a lot of loadings. In this research, the sterilization by a high pressure was tried by using the underwater shock wave caused by explosive. The detonating fuse was detonated with the percussion cap, and the shock wave was generated. Bacillus cereus, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Saccharomyces cerevisiae were used. The underwater shock wave barely causes heat. An excellent bactericidal effect of 100% was obtained in the maximum in the experiment that used S. cerevisiae.

Copyright © 2006 by ASME



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