A New Treatment Strategy for Inactivating Algae in Ballast Water Based on Multi-Trial Injections of Chlorine.
A New Treatment Strategy for Inactivating Algae in Ballast Water Based on Multi-Trial Injections of Chlorine.
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基于多次注氯试验的压载水中藻类灭活新处理策略
DOI：
10.3390/ijms160613158
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发表时间：
2015-06-09
影响因子：
5.6
通讯作者：
Yuan H
中科院分区：
文献类型：
--
作者：
Sun J;Wang J;Pan X;Yuan H
船舶的压载水可以携带水生生物进入外国生态系统。在我们以前的研究中，已经证明了使用离子交换膜电解来处理压载水的概念。除了其他实质性的方法，提出了一种新的策略，灭藻的基础上开发的压载水处理系统。新策略采用小剂量电解质产品多次注射的方式灭活藻类。为了证明新策略的性能，进行了新策略和常规工艺之间的对比实验。以普通小球藻、亚心形扁藻、海洋原甲藻和米氏凯伦藻为研究对象。研究了不同的实验参数，包括电解产物的注入时间和剂量。与传统的一次试注法相比，新策略的应用可使死亡率时间（MRT）和有效氯浓度分别节省约84%和40%。所提出的新方法在实际压载水处理中具有很大的潜力。此外，该策略也有助于深入了解藻类的耐受机制。
Ships’ ballast water can carry aquatic organisms into foreign ecosystems. In our previous studies, a concept using ion exchange membrane electrolysis to treat ballast water has been proven. In addition to other substantial approaches, a new strategy for inactivating algae is proposed based on the developed ballast water treatment system. In the new strategy, the means of multi-trial injection with small doses of electrolytic products is applied for inactivating algae. To demonstrate the performance of the new strategy, contrast experiments between new strategies and routine processes were conducted. Four algae species including Chlorella vulgaris, Platymonas subcordiformis, Prorocentrum micans and Karenia mikimotoi were chosen as samples. The different experimental parameters are studied including the injection times and doses of electrolytic products. Compared with the conventional one trial injection method, mortality rate time (MRT) and available chlorine concentration can be saved up to about 84% and 40%, respectively, under the application of the new strategy. The proposed new approach has great potential in practical ballast water treatment. Furthermore, the strategy is also helpful for deep insight of mechanism of algal tolerance.
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影响因子：
10.4
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