Effectiveness and Kinetics of Ferrate as a Disinfectant for Ballast Water
Effectiveness and Kinetics of Ferrate as a Disinfectant for Ballast Water
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DOI：
10.2175/193864708x267423
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发表时间：
2008-06-01
影响因子：
3.1
通讯作者：
Daly, Luke
中科院分区：
文献类型：
--
作者：
Jessen, Andrea;Randall, Andrew;Daly, Luke
本研究检查了高铁酸盐是否能够满足成功处理压载水的国际标准，包括肠球菌的最终浓度小于1 CFU/mL，大肠杆菌的最终浓度小于2.5 CFU/mL，以及霍乱弧菌的最终浓度小于1 CFU/100 mL。纯培养E.大肠杆菌、肺炎克雷伯菌和霍乱弧菌以及屎肠球菌和E.粪菌在模拟压载水的盐水溶液中生长，并用0.25 - 5.0mg/L的高铁酸盐处理。5 mg/L的高铁酸盐剂量导致所有测试生物体的完全消毒，较小的剂量也非常有效。拖尾现象一直被观察到，Hom的模型（1972年）似乎最准确地代表了高铁酸盐对这些生物体的作用。盐度和pH值对结果没有不利影响，再生也不是问题。高铁酸盐作为一种有效的压载水消毒剂具有良好的应用前景。水环境结果：80，561（2008）。
This study examined whether ferrate could meet the international standards for successful ballast water treatment, including final concentrations of less than 1 CFU/mL of Enterococci, less than 2.5 CFU/mL of Escherichia coli, and less than 1 CFU/100 mL of Vibrio cholerae. Pure cultures of E. coli, Klebsiella pneumoniae, and V. cholerae, and a mixed culture of Enterococcus faecium and E. faecilis were grown in saline solution to simulate ballast water and were treated with dosages of ferrate ranging from 0.25 to 5.0 mg/L. A ferrate dose of 5 mg/L resulted in complete disinfection of all organisms tested, and smaller dosages were also very effective. Tailing was consistently observed, and the Hom's model (1972) appeared to most accurately represent the action of ferrate on these organisms. Salinity and pH did not adversely affect results, and regrowth was not a problem. Ferrate shows good potential as an effective disinfectant in the treatment of ballast water. Water Environ. Res., 80, 561 (2008).