热门搜索:
污水再生利用 污水回用 再生水
  • 网站首页
  • 再生水动态
    • 再生水国内动态
    • 再生水国际动态
  • 再生水知识
    • 再生水基本知识
    • 再生水安全知识
    • 水资源与水安全
    • 再生水杂谈
  • 城镇水回用
    • 农、林、牧、渔业利用
    • 市政利用
    • 环境利用
    • 水源补给
    • 黑臭水体治理与再生水利用
    • 工业利用
    • 工程案例
  • 工业水回用
    • 造纸废水回用
    • 印染废水回用
    • 冷却与锅炉废水回用
    • 其他工业废水回用
    • 工程案例
  • 技术资料
    • 技术论文
    • 图书推荐
    • 病原微生物及其评价方法
    • 化学污染物及其评价方法
    • 再生水深度处理工艺
    • 再生水消毒工艺
    • 再生水输送与存储系统
    • 再生水利用及其风险评价
  • 政策法规
    • 技术标准和水质标准
    • 国内政策法规
    • 国际标准政策法规
  • 学术交流
    • 新观点
    • 学术会议
    • 新书抢先看
    • 第四届环境安全高端论坛
    • 2011再生水安全利用会议
    • 2010再生水安全利用会议
    • 2009再生水安全利用会议
  • English
再生水动态 > 再生水国际动态
栏目热门文章
  • SIWW 2012年新加坡水处理展
  • New solar system will recycle water at Desert Water Agency
  • Wastewater to be Used to Creat Snow for Ski Resort
  • Arizona wants DPR/seawater desalination plan to start now
  • 加州精简再生水灌溉许可证申请手续:State to streamline recycled water permits
  • 圣迭戈批准了再生水直接回用为饮用水计划 San Diego gives green light to potable re
技术资料
  • 1水质研究方法介绍
  • 2水质研究方法第14章
  • 3水质研究方法第13章
  • 4水质研究方法第12章
您的位置:首页>>再生水动态 > 再生水国际动态
日本三菱电机发展气液界面放电技术 降低工业水回用成本 Mitsubishi Electric Develops Novel Water Treatment Technology Using Gas/Liquid Interfacial Discharge
发表时间:2015-02-04 16:54:29  编辑:管理员  来源:utilities-me.com  访问量统计:23

tilities-me.com

Mitsubishi Electric Corporation announced that it has developed a novel water treatment technology that enables industrial wastewater and sewage to be recycled on a low-cost basis. The technology efficiently removes persistent organic substances in wastewater by using hydroxyl (OH) radicals generated through an electric discharge created at a gas/liquid interface. Mitsubishi Electric, aiming to contribute to sustainable water recycling, will apply the technology in an industrial wastewater reuse system that it hopes to commercialize by the fiscal year ending in March 2019.

The system’s reactor uses several inclined plate electrodes in humid oxygen over which the wastewater flows. A pulsed corona discharge generated at the interface of the humid oxygen gas and wastewater produces OH radicals, a strong oxidant with an oxidation potential of 2.85 eV, compared to 2.07 eV for ozone. Due to the OH radical’s high reactivity, persistent substances such as surfactants or dioxane decompose into carbon dioxide, water molecules and other inorganic compounds.

The effective generation of OH radicals makes the treatment twice as efficient as conventional advanced oxidation processes, such as the combined use of ozone and ultraviolet irradiation (O3/UV). Oxygen gas consumption is reduced significantly by up to 90% due to gas recycling. The modularized structure of the discharge units makes the equipment more simple and cost effective than the O3/UV method.

Population growth and improving living standards are expected to increase the global need for wastewater reuse. In the western United States, Singapore and other water-deficient regions, the installation of water reuse systems is already under way. Since water, like electricity, is an essential part of every society, there is a compelling need for low-cost water reuse systems.

Persistent organic substances dissolved in industrial wastewater discharged from various types of production facilities must be treated before reuse, but conventional water treatment methods, such as chlorination or ozonation, are usually ineffective. Special processes have been developed to remove these substances, such as adsorption with active carbon or decomposition using the O3/UV advanced oxidation process, but they are costly.

Mitsubishi Electric is now working to apply its technology in practical industrial wastewater and sewage reuse systems that are expected to help realize societies capable of sustainable water recycling.

This technology is currently under joint development with Yasushi Minamitani, an associate professor at Graduate School of Science and Engineering, Yamagata University.

原文链接:http://www.utilities-me.com/article-3318-mitsubishi-develops-low-cost-wastewater-recycling/

关键词:日本三菱电机,污水处理,污水再生利用,再生水,水回用,工业回用,气液界面放电,持久性有机污染物


支持单位

清华大学环境学院 中国环境科学学会水处理与回用专业委员会

友情链接

中国环境科学学会 中国环境保护产业协会 搜狐-绿色频道 环境商会 水环境信息公开和公众参与网 水环境联合会 美国再生水协会 澳大利亚循环水 新加坡公共事业局 美国水道协会 天津中水有限公司 谷腾环保网 中华人民共和国住房和城乡建设部 中华人民共和国环境保护部 中华人民共和国水利部 Water Reuse Europe 京ICP备12006143号-1 京公网安备11010802017536号
诚征稿件| 版权声明| 主办单位| 网站宗旨| 联系我们

版权所有:中国再生水网 技术支持:北京古兰科技有限公司

京ICP备12006143号-1 京公网安备11010802017536号