COSTS EVALUATION FOR BALLAST WATER TREATMENT APPLYING THE ADVANCED OXIDATION TECHNOLOGY

2009 ◽  
Vol 8 (6) ◽  
pp. 1385-1389
Author(s):  
Liviu Constantin Stan ◽  
Nicolae Buzbuchi ◽  
Feiza Memet
2013 ◽  
Vol 663 ◽  
pp. 946-952
Author(s):  
Hong Huang ◽  
Hua Feng Yu ◽  
Guang Ming Liu

Introducing invasive species through ballast water is a specific pollution problem and has recently identified as one of the main concerns of Maritime Organizations. UV/(H2O2/O3) advanced oxidation process is a technological alternative to prevent this maritime pollution. In this present study, inactivation efficiency of the UV/(H2O2/O3) processes for ballast water treatment using Heterosigma akashiwo, Pyramimimonas sp. and Escherichia coli as indicator microorganisms was investigated. Compared with individual or combined two units processes using UV, H2O2 and O3, the UV/(H2O2+O3) process yield the highest levels of inactivation due to synergistic effects. In order to study the dynamic inactivation efficiency of equipment for stimulated ballast water treatment, the effects tests of the hydraulic residence time were conducted. The results indicated that the shorter hydraulic residence time had better inactivation efficiency. These findings have implications for the ballast water treatment.


2021 ◽  
Vol 267 ◽  
pp. 02065
Author(s):  
lixi Liu ◽  
zhili Chen

Advanced oxidation technology is attracting attention as an effective method of water treatment that can degrade various organic pollutants. The combination of photocatalysis (UV) and ozone (O3) and titanium dioxide (TiO2) is a promising advanced oxidation technology. The combination of ozone, hydrogen peroxide, ultraviolet light and other oxidants for catalytic oxidation is also the current mainstream advanced oxidation technology. They can effectively degrade emerging water pollutants and alleviate water pollution problems. Titanium dioxide, hydrogen peroxide, and ozone are all popular catalysts because of their low cost, non-toxicity, strong oxidizing ability, and easy contact with various surfaces.


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