CAREER: Fundamentals of Nanoparticle Behavior in Water Treatment
职业:水处理中纳米粒子行为的基础
基本信息
- 批准号:0954130
- 负责人:
- 金额:$ 40.25万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-07-15 至 2016-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Sharon WalkerUniversity of California-RiversideCAREER: Fundamentals of Nanoparticle Behavior in Water TreatmentCBET - 0954130The fate, transport, and toxicity of human engineered nanomaterials released into in the environment, especially into wastewater treatment and surface and groundwater systems is a topic of great societal and scientific importance. The funded project is a systematic investigation of the physicochemical interactions between nanomaterials and the environment. Its goal is to assess the effectiveness of conventional wastewater treatment processes in trapping and/or removing common human-engineered nanoparticles from domestic water supplies. The work involves extensive nanoparticle characterization and transport experiments under environmentally relevant conditions. The behavior and interaction of three categories of nanoparticles will be examined: metal oxides (hematite, titanium oxide, cerium oxide, zinc oxide), metal (gold), and carbon-based (carbon nanotubes). The impact of various coating/capping agents such as Dextran, DMSA, and Polyamiline that are commonly used on these particles will also be examined. Both bare and coated/capped nanoparticles will be tested. Their stability, reactivity, and the effectiveness of removal will be evaluated at each of the four stages of water treatment: coagulation, flocculation, sedimentation, and filtration. Nanomaterial behavior over a wide range of water quality parameters, from simplified electrolytes to complex solution chemistries will be examined. Filtration mechanisms will also be investigated in microscopic and macroscopic flow systems. The impacts of nanoparticle characteristics such as electrophoretic mobility, hydrophobicity, crystalline structure, concentration, and size and shape on the efficiency and effectiveness of wastewater treatment processes will be examined using transmission electron microscopy, UV/Vis, time-resolved dynamic light scattering, fluorescent labeling, magnetic saturation, and other methods. Experiments will take place in packed bed columns and micromodel systems. Broader impacts of the research include improving our knowledge of nanoparticle transport and their trapping and removal from drinking water. The work supports an early career PI whose gender is underrepresented in the sciences and engineering, will engage Hispanic undergraduates from a local community college, and will be incorporated into undergraduate courses. The work will also partner K12 teachers and students at the Riverside Unified School District with university students through the preparation of materials on how to develop science faire projects on water quality.
Sharon Walker加州大学河滨分校CAREER:水处理中纳米颗粒行为的基础CBET-0954130人类工程纳米材料释放到环境中的命运,运输和毒性,特别是进入废水处理和地表水和地下水系统是一个具有重大社会和科学意义的话题。 该资助项目是对纳米材料与环境之间物理化学相互作用的系统研究。 其目标是评估传统废水处理工艺在捕获和/或去除家庭供水中常见的人类工程纳米颗粒方面的有效性。 这项工作涉及广泛的纳米颗粒表征和环境相关条件下的传输实验。 将研究三类纳米颗粒的行为和相互作用:金属氧化物(赤铁矿,氧化钛,氧化铈,氧化锌),金属(金)和碳基(碳纳米管)。 还将检查常用的各种包衣/封端剂(如右旋糖酐、DMSA和聚苯胺)对这些微粒的影响。 将测试裸纳米颗粒和涂覆/封端的纳米颗粒。 它们的稳定性,反应性和去除效果将在水处理的四个阶段中的每一个阶段进行评估:混凝,絮凝,沉淀和过滤。 纳米材料的行为在广泛的水质参数,从简化的电解质复杂的溶液化学将被检查。过滤机制也将在微观和宏观流动系统中进行研究。 纳米粒子的特性,如电泳迁移率,疏水性,晶体结构,浓度和大小和形状对废水处理过程的效率和效果的影响将使用透射电子显微镜,紫外/维斯,时间分辨动态光散射,荧光标记,磁饱和,和其他方法进行检查。 实验将在填充床柱和微型模型系统中进行。 该研究的更广泛影响包括提高我们对纳米颗粒运输及其从饮用水中捕获和去除的知识。 这项工作支持早期职业PI,其性别在科学和工程领域代表性不足,将吸引当地社区学院的西班牙裔本科生,并将纳入本科课程。 这项工作还将通过编写关于如何开发水质科学项目的材料,与滨江联合学区的K12教师和学生以及大学生合作。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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Sharon Walker其他文献
Learning from the Movement for Black Lives: Horizons of Racial Justice for Comparative and International Education
从黑人生命运动中学习:比较和国际教育的种族正义视野
- DOI:
10.1086/722487 - 发表时间:
2022 - 期刊:
- 影响因子:1.8
- 作者:
Krystal Strong;Sharon Walker;Derron Wallace;Arathi Sriprakash;L. Tikly;C. Soudien - 通讯作者:
C. Soudien
FOUCAULT’S GENEALOGY OF EDUCATION POLICY: UNDERSTANDING OURSELVES AS EDUCATORS
福柯的教育政策谱系:了解我们自己作为教育者
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Sharon Walker - 通讯作者:
Sharon Walker
Efficiency of energy delivery systems: II. Estimating energy costs of capital equipment
- DOI:
10.1007/bf01866319 - 发表时间:
1979-11-01 - 期刊:
- 影响因子:3.000
- 作者:
Charles Hall;Elizabeth Kaufman;Sharon Walker;Doreen Yen - 通讯作者:
Doreen Yen
Enhancing detection of emListeria monocytogenes/em in food products using an enzyme
利用一种酶增强对食品中单核细胞增生李斯特氏菌的检测
- DOI:
10.1016/j.foodcont.2022.109445 - 发表时间:
2023-03-01 - 期刊:
- 影响因子:6.300
- 作者:
Samantha Felton;Cheryl Armstrong;Chin-Yi Chen;Yiping He;Joe Lee;Sue Reed;Nikki Akula;Sharon Walker;Bryan W. Berger;Joseph Capobianco - 通讯作者:
Joseph Capobianco
Rethinking wastewater risks and monitoring in light of the COVID-19 pandemic
鉴于 COVID-19 大流行重新思考废水风险和监测
- DOI:
10.1038/s41893-020-00605-2 - 发表时间:
2020-08-19 - 期刊:
- 影响因子:27.100
- 作者:
Anne Bogler;Aaron Packman;Alex Furman;Amit Gross;Ariel Kushmaro;Avner Ronen;Christophe Dagot;Colin Hill;Dalit Vaizel-Ohayon;Eberhard Morgenroth;Enrico Bertuzzo;George Wells;Hadas Raanan Kiperwas;Harald Horn;Ido Negev;Ines Zucker;Itay Bar-Or;Jacob Moran-Gilad;Jose Luis Balcazar;Kyle Bibby;Menachem Elimelech;Noam Weisbrod;Oded Nir;Oded Sued;Osnat Gillor;Pedro J. Alvarez;Sandra Crameri;Shai Arnon;Sharon Walker;Sima Yaron;Thanh H. Nguyen;Yakir Berchenko;Yunxia Hu;Zeev Ronen;Edo Bar-Zeev - 通讯作者:
Edo Bar-Zeev
Sharon Walker的其他文献
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{{ truncateString('Sharon Walker', 18)}}的其他基金
Catalyzing STEM Gender Equity at Drexel: Building a Foundation for Systemic Transformation
促进德崇的 STEM 性别平等:为系统转型奠定基础
- 批准号:
2114168 - 财政年份:2021
- 资助金额:
$ 40.25万 - 项目类别:
Standard Grant
2017 Environmental Nanotechnology Gordon Research Conference and Seminar: A Platform for Cutting Edge Research in Nanotechnology Applications and Implications
2017年环境纳米技术戈登研究会议暨研讨会:纳米技术应用及影响前沿研究平台
- 批准号:
1719193 - 财政年份:2017
- 资助金额:
$ 40.25万 - 项目类别:
Standard Grant
A Forensic Approach Towards Biofilm Management
生物膜管理的法医方法
- 批准号:
1437860 - 财政年份:2015
- 资助金额:
$ 40.25万 - 项目类别:
Continuing Grant
Support for Student and Invited Speakers to participate in the 87th ACS Colloid and Surface Science Symposium at UCR, June 23-26, 2013
支持学生和受邀演讲者参加 2013 年 6 月 23-26 日在加州大学河滨分校举行的第 87 届 ACS 胶体和表面科学研讨会
- 批准号:
1342029 - 财政年份:2013
- 资助金额:
$ 40.25万 - 项目类别:
Standard Grant
URM: Mentoring Year-round in Biological Engineering, Science and Technology (MY BEST at University of California, Riverside)
URM:生物工程、科学和技术领域的全年指导(我在加州大学河滨分校最好的)
- 批准号:
0731660 - 财政年份:2007
- 资助金额:
$ 40.25万 - 项目类别:
Continuing Grant
Regional Center for Ocean Sciences Educational Excellence [COSEE]--Gulf of Mexico
区域海洋科学教育卓越中心 [COSEE]--墨西哥湾
- 批准号:
0215341 - 财政年份:2002
- 资助金额:
$ 40.25万 - 项目类别:
Continuing Grant
MPWG: Mini-Camps for Female Secondary Students
MPWG:女中学生迷你营
- 批准号:
9450558 - 财政年份:1995
- 资助金额:
$ 40.25万 - 项目类别:
Standard Grant
Interpreting Current Research on Global Environmental Issuesfor Middle-School Teachers and Their Students
为中学师生解读当前全球环境问题研究
- 批准号:
9055398 - 财政年份:1991
- 资助金额:
$ 40.25万 - 项目类别:
Standard Grant
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