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Quantification of the energy required for the destruction of Balanus amphitrite larva by ultrasonic treatment Seth, N.; Chakravarty, P.; Khandeparker, L.; Anil, A.C. (2010). Quantification of the energy required for the destruction of Balanus amphitrite larva by ultrasonic treatment. J. Mar. Biol. Ass. U.K. 90(7): 1475-1482. https://dx.doi.org/10.1017/s0025315409991548 In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769

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Beschikbaar in	Auteurs
VLIZ: Non-open access 316519 [ aanvragen ]

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Trefwoorden

Bacteria Water treatment Balanus amphitrite Darwin, 1854 [WoRMS]

Author keywords

ultrasonic treatment; pulverization energy; acoustic power density

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Auteurs		Top
Seth, N. Chakravarty, P. Khandeparker, L. Anil, A.C.

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Abstract

Ultrasonic treatment, a relatively less explored technology in water disinfection, was used to quantify the energy required for the destruction of larvae of barnacle Balanus amphitrite, which is a major marine fouling and a potential invasive organism. Since the power used and treatment time for disinfection are economically, and practically, the most important parameters, the energy required to pulverize the larvae into pieces ≤30 µm was determined as a function of the acoustic power density. The present investigation suggests that an ultrasonic system operating at 20 kHz and 0.0975 W/cm3 can effectively pulverize barnacle larvae having length (~440 µm) and breadth (~350 µm) within 45 seconds using 0.1 mJ/larva of pulverization energy. It was also observed that following pulverization of the larvae, the bacterial abundance increased and the rate of release of bacteria was dependent on power level and treatment time, which in turn decided the pulverization rate and hence the rate of release of bacteria.

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