Inactivation of Heterosigma akashiwo in ballast water by circular orifice plate-generated hydrodynamic cavitation

The discharge of alien ballast water is a well-known, major reason for marine species invasion. Here, circular orifice plate-generated hydrodynamic cavitation was used to inactivate Heterosigma akashiwo in ballast water. In comparison with single- and multihole orifice plates, the conical-hole orifi...

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Veröffentlicht in:Environmental technology. - 1998. - 37(2016), 7 vom: 14., Seite 837-46
1. Verfasser: Feng, Daolun (VerfasserIn)
Weitere Verfasser: Zhao, Jie, Liu, Tian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Ballast water Heterosigma akashiwo conical-hole orifice plate hydrodynamic cavitation
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520 |a The discharge of alien ballast water is a well-known, major reason for marine species invasion. Here, circular orifice plate-generated hydrodynamic cavitation was used to inactivate Heterosigma akashiwo in ballast water. In comparison with single- and multihole orifice plates, the conical-hole orifice plate yielded the highest inactivation percentage, 51.12%, and consumed only 6.84% energy (based on a 50% inactivation percentage). Repeating treatment, either using double series-connection or circling inactivation, elevated the inactivation percentage, yet consumed much more energy. The results indicate that conical-hole-generated hydrodynamic cavitation shows great potential as a pre-inactivation method for ballast water treatment 
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