Development of water treatment devices using UV light emitting diodes (UV-LEDs)

开发使用紫外线发光二极管（UV-LED）的水处理装置

• 批准号: 24760427
• 负责人: OGUMA Kumiko
• 金额: $ 2.91万
• 依托单位: The University of Tokyo
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2012
• 资助国家: 日本
• 起止时间: 2012-04-01 至 2014-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24760427/
• 关键词: 浄水処理; 消毒; 紫外線; 発光ダイオード; UV-LED

Light Emitting Diodes (LEDs) are getting more common as an innovative mercury-free light source, and LEDs emitting germicidal ultraviolet light (UV-LEDs) have become commercially available recently. To apply the new technology to water treatment systems, studies on the design of UV-LED reactors are particularly important. The challenges of this study were to develop a prototype of batch and flow-through water disinfection systems containing UV-LEDs and to examine the disinfection efficiencies for Escherichia coli and coliphage Qbeta. This study indicated that UV-LEDs with peak emissions at 265 nm and 280 nm are effective to disinfect water, and how to manage waste heat is an important factor at designing the device. Moreover, it was shown that the hydrodynamic conditions of target water is particularly important for flow-through water disinfection devices. This study provided key implications for the future application of UV-LEDs to water treatment.

发光二极管(LED)作为一种创新的无汞光源正变得越来越普遍，而发射杀菌紫外线(UV-LED)的LED最近已经商业化。要将这项新技术应用于水处理系统，UV-LED反应器的设计研究就显得尤为重要。这项研究的挑战是开发一个包含UV-LED的间歇和流过水消毒系统的原型，并测试对大肠杆菌和大肠杆菌Qbeta的消毒效率。研究表明，峰值发射波长为265 nm和280 nm的UV-LED对水的消毒是有效的，如何管理废热是设计该装置的一个重要因素。此外，研究还表明，目标水的水动力条件对通流水消毒装置尤为重要。本研究为未来紫外光LED在水处理中的应用提供了重要的启示。

项目成果

紫外発光ダイオードを利用した水の消毒 : 研究動向と将来展望

紫外发光二极管水消毒：研究趋势和未来前景

• 发表时间: 2013
• 作者: 小熊久美子;喜多諒;酒井宏治;滝沢智
• 通讯作者: 滝沢智

Evaluation of Water Disinfection Systems using UV-Light Emitting Diodes

使用紫外发光二极管的水消毒系统的评估

• 发表时间: 2013
• 作者: Kumiko Oguma;Ryo Kita;Hiroshi Sakai;Michio Murakami and Satoshi Takizawa
• 通讯作者: Michio Murakami and Satoshi Takizawa

紫外発光ダイオードを利用した水の消 毒：研究動向と将来展望

紫外发光二极管水消毒：研究趋势和未来前景

• 作者: 小熊久美子;喜多諒;酒井宏治;滝沢智
• 通讯作者: 滝沢智

紫外発光ダイオード(UV-LED)を用いた外照式水処理装置の開発と性能評価

使用紫外发光二极管（UV-LED）的外照射水处理设备的开发和性能评估

• 发表时间: 2014
• 作者: 喜多諒;小熊久美子;酒井宏治;滝沢智
• 通讯作者: 滝沢智

A mathematical model to determine the fluence rate distribution in a UV reactor containing ultraviolet Light Emitting Diodes

确定包含紫外发光二极管的紫外反应器中注量率分布的数学模型

• 发表时间: 2013
• 作者: Kumiko Oguma;Ryo Kita;Hiroshi Sakai;Michio Murakami;Satoshi Takizawa;James R. Bolton and Kumiko Oguma
• 通讯作者: James R. Bolton and Kumiko Oguma