首页 馆藏资源 舆情信息 标准服务 科研活动 关于我们
现行 AWWA WQTC64159
到馆提醒
收藏跟踪
购买正版
Distribution System Modeling of Disinfection Byproduct (DBP) Formation: Coupling Hydraulic and Chemical Models 消毒副产物(DBP)形成的分配系统建模:水力和化学耦合模型
发布日期: 2006-11-01
这张幻灯片概述了一项研究,旨在建立消毒副产物(DBP)与氯衰变之间的外部联系 模型和EPANET 2水力模型。 具体目标包括: 预测网络中DBP的形成和氯的衰变 在稳态和非稳态条件下; 评估水质和处理条件如何影响 DBP的形成;和 定义DBP等值线并估计节点处的化学风险。美国环境保护局(USEPA)氯衰变和DBP的经验模型 本研究选择了预测作为水质模型 因为它们是从广泛的自然资源和 包含一个大型数据库 考虑水质和处理条件 这会影响DBP的形成。结论是: 可以将DBP模型与EPANET 2连接起来 直接模拟DBP的外部模型 配电网的形成和估算 化学品风险; 通过以下方法可以最小化网络中的DBP: 建模方法;和 该模型可用于选择助推器的位置 加氯点,以保持所需的最低温度 网络中的氯残留。建议包括: 真实且校准良好的水力模型 需要优化和准确预测DBP 分销网络中的编队;和 由于EPANET 2在预测THM方面存在局限性 形成,将美国环保局DBP模型与 EPANET 2内部将使EPANET 2成为 预测DBP的稳健模型。包括表格、数字。
This slide presentation outlines a study to create an external link between disinfection byproduct (DBP) and chlorine decay models and an EPANET 2 hydraulic model. Specific objectives included: to predict DBP formation and chlorine decay in a network under steady and unsteady state conditions; to assess how water quality and treatment conditions affect the formation of DBPs; and, to define DBP isopleths and estimate chemical risks at nodes. U.S. Environmental Protection Agency USEPA) empirical models for chlorine decay and DBPs prediction were selected as water quality models for this study because they were developed from a wide range of natural sources and embody a large database, and they consider water quality and treatment conditions that affect the formation of DBPs. Conclusions were that: it is possible to link DBP models and EPANET 2 model externally for direct simulation of DBP formation in distribution networks and for estimating chemical risks; it is possible to minimize DBPs in a network by the modeling approach; and, the model is useful in selecting the location of booster chlorination points to maintain the minimum required chlorine residual in the network. Recommendations included: realistic and well calibrated hydraulic models are needed for optimizing and accurately predicting DBP formations in a distribution network; and, since EPANET 2 has limitations in predicting THM formation, integrating USEPA DBP models with EPANET 2 internally will make EPANET 2 a very robust model for predicting DBPs. Includes tables, figures.
分类信息
发布单位或类别: 美国-美国给水工程协会
关联关系
研制信息
相似标准/计划/法规