GOALI: Developing a Filtration System for Purification of Contaminated Water

目标：开发净化污水的过滤系统

• 批准号: 0735208
• 负责人: Vishal Shah
• 金额: --
• 依托单位: Dowling College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-09-01 至 2010-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0735208&HistoricalAwards=false
• 关键词: GOALI; Developing; Filtration; System; Purification

Vishal ShahDowling CollegeProposal Number: 0735208GOALI: Developing a Filtration System for Purification of Contaminated Water.This proposal deals with the development of a drinking water purification system that can simultaneously remove different categories of contaminants including organics, inorganics, and pathogens. Possible applications of the system are remote areas where a central water treatment system is not available and developed areas during disaster events. The system relies on Fenton's reaction as a treatment technology.Copper and other transition metals will be examined as a catalyst in the reaction instead of iron as in traditional Fenton's reagent which is effective only at pH 2-4.Copper based Fenton's reagent can work at pH 3-9 which is the key advantage of the proposed system. The metal catalyst will be bound to an ion exchange resin to prevent its presence in the product water. The binding of the catalyst onto the resin will be devised in a way that the resin has the exchange capacity left for removing metal contaminants. Organic contaminants and pathogens will be oxidized by hydroxyl radicals generated from Fenton's reaction. The proposed work is divided into three phases. First, potential catalysts will be tested for intrinsic reaction kinetics, mass transfer limitations, stability, and leaching. Then, based on the most suitable catalyst identified in the previous phase, a prototype system will be designed, constructed, and operated. In the meantime, a mathematical model to predict the performance of the system will be developed. Results provided by the prototype and the mathematical model will be compared. Finally, risk analysis and economic evaluation will be conducted.

Vishal Shahdowling College Propopals编号：0735208Goali：开发一种污染水纯化的过滤系统。该提案涉及饮用水净化系统的开发，该系统可以同时删除包括有机物，无机和病原体在内的不同类别的污染物。该系统的可能应用是偏远地区，在灾难事件中，没有中央水处理系统和开发区域。该系统依赖于Fenton作为一种治疗技术的反应。将检查Copper和其他过渡金属作为反应中的催化剂，而不是铁，而不是在传统Fenton的试剂中，该试剂仅在pH 2-4.COPPER基于Fenton的试剂中有效，可以在Fenton的试剂中起作用。 pH 3-9，这是拟议系统的关键优势。金属催化剂将与离子交换树脂结合，以防止其在产品水中的存在。催化剂在树脂上的结合将以树脂具有去除金属污染物的交换能力的方式设计。有机污染物和病原体将被芬顿反应产生的羟基自由基氧化。提议的工作分为三个阶段。首先，将测试潜在催化剂的内在反应动力学，传质限制，稳定性和浸出。然后，基于上一阶段确定的最合适的催化剂，将设计，构造和操作一个原型系统。同时，将开发一个数学模型来预测系统性能。原型提供的结果和数学模型将被比较。最后，将进行风险分析和经济评估。