水质参数复合变动下基于氧化还原电位的管网铁释放风险研究

项目名称： 水质参数复合变动下基于氧化还原电位的管网铁释放风险研究

项目编号： No.51508452

项目类型： 青年科学基金项目

立项/批准年度： 2016

项目学科： 其他

项目作者： 张卉

作者单位： 西安建筑科技大学

项目金额： 20万元

中文摘要： 针对目前我国给水管网二次污染严重、铁含量超标及“黄水”现象频发等问题，从水化学条件复合变化的角度出发，以管网水的氧化还原电位为切入点，开展铁释放规律、风险预测与评价、控制措施等方面的研究工作。主要包括：建立管网水质参数的复合变动模型，研究相应模式下的铁释放发生条件；分析复合变化的水质对氧化还原电位与铁释放过程所造成的影响及其相关性；建立基于氧化还原电位的铁释放预测模型；构建管道的铁释放风险综合评价体系；以削减管道铁释放风险为目标，提出合理的控制方法与措施。该研究能够为管网的二次污染控制、供水水质改善提供直接、科学的理论依据，并为管网系统高效、高质、安全运行的实现奠定基础。

中文关键词： 给水管网；铁释放；铁稳定性；氧化还原电位；风险评价

英文摘要： At present the problems of secondary pollution, iron release and red water in water distribution networks become more and more serious. The research is carried out to solve the problems. It is from the perspective of composite changes of water chemical conditions and takes oxidation reduction potential as the starting point. It covers the law of iron release, risk prediction and assessment and control methods. The main contents are including composite changing models of water quality parameters and iron release conditions of the corresponding model, the influences on oxidation reduction potential and iron release and the relativity between the two, the prediction model of iron release based on oxidation reduction potential, the comprehensive assessment system of iron release risk and reasonable control methods for risk reduction. Therefore, the research can provide direct and scientific basis for secondary pollution control and water quality improvement. And it may help lay a foundation for the running of water distribution networks with higher efficiency, better quality and more safety.

英文关键词： water distribution network;iron release;iron stability;oxidation reduction potential ;risk assessment