Microbial Analysis of Ozone Disinfection in a Recirculating Seawater System

Hsieh, Jennifer L.; Chikarmane, Hemant M.; Smolowitz, Roxanna; Uhlinger, Kevin R.; Mebane, W.; Kuzirian, Alan M.

doi:10.2307/1543434

Cited by 4 publications

(2 citation statements)

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“…; Hsieh et al . ). Improved culture or effluent water characteristics have also been repeatedly seen in ozonated treatments, such as reduced nitrogen and other chemical species, suspended solids and colour, oxygen concentration and filtration performance (e.g.…”

Section: Direct Ozone Exposure In Aquaculturementioning

confidence: 97%

“…Tipping 1988;Bullock et al 1997). However, some studies have found more modest reductions in bacterial cell density in ozonated fish culture systems, compared to controls (Sidik et al 1991;Hsieh et al 2002). Improved culture or effluent water characteristics have also been repeatedly seen in ozonated treatments, such as reduced nitrogen and other chemical species, suspended solids and colour, oxygen concentration and filtration performance (e.g.…”

Section: Juvenile and Adult Flatfish And Roundfishmentioning

confidence: 99%

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Direct application of ozone in aquaculture systems

Powell

Scolding

2016

Reviews in Aquaculture

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Ozone (O3) is a powerful oxidant that has been used in both the aquaculture and water treatment industries to improve water quality and reduce pathogens during pretreatment, treatment of effluent, as a continual treatment during RAS operations, and for bivalve depuration. As ozone can be toxic to aquatic organisms, the technology has also been investigated to destroy invasive or nuisance species, and other research has also highlighted negative effects of residual ozone on water courses. Ozone and ozone‐produced oxidants used in aquaculture operations have therefore typically been removed from water prior to entry into tanks holding stock animals. However, a growing body of research has identified direct application of ozone, here defined as exposure of residual ozone and ozone‐produced oxidants to cultured species of finfish, shellfish and live feeds across various life stages. This approach appears to be increasingly employed as a beneficial technology due to proven enhancement of hygiene and water quality, provided dosages or concentrations are appropriate to maintain animal health and welfare. This review paper concentrates on the observed benefits and drawbacks of direct ozonation, influencing factors and future considerations for standardisation and uptake of the technology.

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Section: Direct Ozone Exposure In Aquaculturementioning

confidence: 97%