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Combining Life Cycle Analyses and Groundwater Transport Modeling to Select an MTBE Treatment Technology 结合生命周期分析和地下水运移建模 选择MTBE处理技术
发布日期: 2008-11-01
本powerpoint演示文稿首先介绍以下研究目标:分析MTBE(甲基叔丁基醚)的潜在来源 基于公开信息的污染; 进行地下水流动和污染物迁移建模 评估MTBE浓度的短期和长期趋势; 制定MTBE原水和成品水设计标准; 进行气提和颗粒活化的对比分析 碳排放(GAC),如成本估算和 生命周期成本分析;和 选择一种处理技术用于6号站。项目背景包括: 纽约市环境保护局 保护(DEP)正在重新激活一系列 布鲁克林和 皇后区;这些井的深度从80到150不等 脚;和 水质问题包括铁, 锰, 硬度,以及 MTBE和四氯乙烯(PCE)。6号站示范工厂是一个 新的10 mgd处理 种植 处理6口井的水和 为病人提供治疗 以下内容: 铁/锰; 挥发性有机化合物 (VOC)去除;和 软化。演示结论表明,建议使用GAC去除站内的VOC 6.由于以下原因: 降低初始资本成本和生命周期成本; 更容易适应技术变化/升级; 整体占地面积较小; 简化建筑设计;和 处理各种污染物的能力 (浓度和类型)。包括表格、数字。
This powerpoint presentation begins by presenting the following study objectives: analyze potential sources of MTBE (methyl tertiary-butyl ether) contamination based on publicly available information; conduct groundwater flow and contaminant transport modeling to evaluate short and long-term trends in MTBE concentrations; develop MTBE raw water and finished water design criteria; conduct comparative analysis of air stripping and granular activated carbon (GAC) such as cost estimates and life cycle cost analysis; and, select a treatment technology for application at Station 6. Project background includes the following: New York City (NYC) Department of Environmental Protection (DEP) is reactivating a series of groundwater wells in Brooklyn and Queens; the wells range in depth from 80 to 150 feet; and, water quality concerns include iron, manganese, hardness, and MTBE and tetrachloroethylene (PCE). Station 6 Demonstration Plant is a new 10-mgd treatment plant that treats water from 6 wells and provides treatment for the following: iron / manganese; volatile organic compounds (VOC's) removal; and, softening. Presentation conclusions indicate that GAC is recommended for VOC removal at the Station 6 Plant for the following reasons: lower initial capital cost and life cycle cost; more amenable to technology changes/upgrades; smaller overall footprint; simpler building design; and, ability to treat range of contaminants (concentrations and types). Includes tables, figures.
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发布单位或类别: 美国-美国给水工程协会
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