Inactivation of invasive marine species in the process of conveying ballast water using  OH based on a strong ionization discharge

Bai, Mindong; Zheng, Qunhao; Tian, Yiping; Zhang, Zhitao; Cao, Chen; Cheng, Chao; Meng, Xiangying

doi:10.1016/j.watres.2016.03.056

Cited by 46 publications

(15 citation statements)

References 23 publications

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“…Different treatment methods have been applied in the ballast water management system (BWMS) to prevent bio-invasion such as filtration, 7 electrolysis, 8–10 ultraviolet, 11,12 ozonation 13 and advanced oxidation technology. 1,14,15 Chlorination treatment is one of the most widely used methods, which can inactivate phycophyta and bacteria effectively.…”

Section: Introductionmentioning

confidence: 99%

Formation of halogenated disinfection by-products during ballast water chlorination

Zhang

Xue

Wang

et al. 2022

Environ. Sci.: Water Res. Technol.

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Section: Introductionmentioning

confidence: 99%

Formation of halogenated disinfection by-products during ballast water chlorination

Zhang

Xue

Wang

et al. 2022

Environ. Sci.: Water Res. Technol.

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“…For instance, a •OH solution produced by ionization discharge shows high efficacy for ballast water sterilization, which has potential for large-scale on-board application. 13 In addition, the •OH treatment is reported to produce minimal DBPs, which pose no potential risk to the marine environment. 14 However, all of the identified methods require external high energy input, which is not sustainable.…”

Section: Introductionmentioning

confidence: 99%

Visible Light-Induced Marine Bacterial Inactivation in Seawater by an In Situ Photo-Fenton System without Additional Oxidants: Implications for Ballast Water Sterilization

Wang

Xie

et al. 2021

ACS EST Water

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Harmful non-indigenous microorganism invasion caused by ballast water discharge poses severe threats to marine environments. In this study, a conceptual in situ photo-Fenton system without additional oxidants was first established for ballast water sterilization. Pyromellitic acid diimine (PDI)-modified g-C3N4 was utilized as a photocatalyst to produce H2O2, which was in situ activated by Fe(II) to produce •OH for deep oxidation. Marine bacterium Vibrio alginolyticus (7 log) in ballast seawater was totally inactivated within 35 min of visible light irradiation. Simultaneous bacterial inactivation and H2O2 production was monitored to confirm the in situ coupling mechanism, and •OH instead of H2O2 was determined to be the dominant reactive species. The influence of seawater parameters, such as salinity, pH, and dissolved oxygen, on the inactivation efficiency was revealed. In addition, the bacterial inactivation mechanisms in terms of cell membrane rupture, intracellular enzyme activity, and total protein change were clarified. The organic matter release profile during bacterial lysis was probed by fluorescence excitation–emission matrix technology, which revealed minimal acute toxicity and impacts on the marine environment. This work not only advances an external oxidant-free system for on-board ballast water sterilization using sustainable solar energy but also creates an avenue for exploring bacterial inactivation mechanisms in seawater.

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“…Therefore, the International Maritime Organization (IMO) prescribes that all cargo ships must have a system for treating ballast water aimed at preventing or reducing these problems [3]. In those studies, some works indicate that the hydroxyl radical (•OH) with high oxidation potential has an excellent bactericidal effect, which is a sound way to treat ballast water [4][5].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of ZnWO4 Electrode with tailored facets: Deactivating the Microorganisms through Photoelectrocatalytic methods

Zhan

Zhou

Huang

et al. 2017

Applied Surface Science

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The exotic invasive species from the ballast water in the ship will bring about serious damages to ecosystem. Photocatalyst films have been widely studied for sterilization. In this study, ZnWO 4 with different exposed facets was synthesized by hydrothermal method, and ZnWO 4 film electrodes have been applied in ballast water treatment through the electro-assisted photocatalytic system. Then the samples were investigated by X-ray diffraction (XRD), X-ray photo-electron spectroscopy (XPS), Field emission on scanning electron microcopy (FE-SEM), Transmission electron microscopy (TEM), UV-vis diffuse reflectance spectroscopy (DRS), BET specific surface area analysis, Fourier transform infrared (FT-IR) and Electrochemical impedance spectra (EIS). ZnWO 4 with an appropriate exposure of (0 1 1) facets ratio exhibited the best photocatalytic and photoelectrocatalytic activities. The microorganisms deactivated completely in 10 min by ZnWO 4 films with 3 V bias. The mechanisms of (0 1 1) facets enhanced the photocatalytic and photoelectrocatalytic activities which were deduced based on the calculated result from the first principles. Simultaneously, appropriate exposed facets and applied bias could reduce the recombination of the photogenerated electron-hole pairs, and improve the photocatalytic activities of ZnWO 4 .

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Inactivation of invasive marine species in the process of conveying ballast water using OH based on a strong ionization discharge

Cited by 46 publications

References 23 publications

Formation of halogenated disinfection by-products during ballast water chlorination

Formation of halogenated disinfection by-products during ballast water chlorination

Visible Light-Induced Marine Bacterial Inactivation in Seawater by an In Situ Photo-Fenton System without Additional Oxidants: Implications for Ballast Water Sterilization

Synthesis of ZnWO4 Electrode with tailored facets: Deactivating the Microorganisms through Photoelectrocatalytic methods

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