Collaborative Research- SusChEM: Graded Interpenetrating Polymer Membranes Based on Sustainable Materials for Selective Removal of Organics from Water
合作研究 - SusChEM:基于可持续材料的分级互穿聚合物膜,用于选择性去除水中的有机物
基本信息
- 批准号:1510475
- 负责人:
- 金额:$ 14.8万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-07-01 至 2019-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1512225/1510475Alcantar/Cardena-ValenciaU of S. Florida/SRIThe collaborative team proposes to develop and investigate the performance of membranes based on natural, sustainable materials to remove organic contaminants from water. The ultimate goal of this project is to create novel membranes based on materials that have the ability to attract water pollutants and are renewable, biodegradable, and can be obtained via sustainable agriculture. A high percentage of the network forming these novel membranes will come from natural sugars and waxes. These compounds will be extracted from cactus mucilage, the gooey part of cacti. The separation process will invoke a similar function that cactus plants use to transport water to survive in arid environments to mimic the separation process of pollutants from water. The proposed work focuses on the application of fundamental research of sustainable and natural materials capable of removing harmful organic chemicals from water. Although poly dimethyl siloxane (PDMS) membranes are readily-used in organic separations due to their hydrophobic nature and permeability to gases and organics, separation of higher molecular weight organics-semi-VOCs and polycyclic aromatic hydrocarbons (PAHs)-remains challenging due to slow time-constants and selectivity. This project will invoke biomimicry to comparatively evaluate the use of polysaccharides from mucilage to emulate nutrient pathways in cacti. The polysaccharides will be cross-linked in PDMS networks and also in cutin waxes (materials that form the cactus skin). Since cutin waxes are extremely hydrophobic, this work potentially could establish that PDMS membranes will be replaced for more sustainable materials, which will be of high impact in the field. Students working on this project will be trained to apply creative engineering perspectives to solving chemical and industrial challenges in problems intrinsically related to environmental assessments and water quality. The inclusion of undergraduate students will be achieved via an undergraduate research exchange internship between USF and SRI. In addition, high school students will be exposed to this project; the PIs will develop a new chemical laboratory lesson plan for a local high school in St. Petersburg, Florida.
1512225/1510475阿尔坎塔/Cardena-ValenciaU的S.佛罗里达/SRI合作团队建议开发和研究基于天然可持续材料的膜的性能,以去除水中的有机污染物。该项目的最终目标是创造基于能够吸引水污染物的材料的新型膜,这些材料是可再生的,可生物降解的,并且可以通过可持续农业获得。形成这些新型膜的网络的高百分比将来自天然糖和蜡。这些化合物将从仙人掌粘液中提取,仙人掌的粘性部分。分离过程将调用类似的功能,仙人掌植物用于运输水在干旱环境中生存,以模拟污染物从水中分离的过程。拟议的工作重点是能够从水中去除有害有机化学品的可持续和天然材料的基础研究的应用。尽管聚二甲基硅氧烷(PDMS)膜由于其疏水性和对气体和有机物的渗透性而易于用于有机分离,但由于缓慢的时间常数和选择性,较高分子量有机物(半挥发性有机物和多环芳烃(PAH))的分离仍然具有挑战性。本计画将借由仿生学来比较评估黏液多糖在仙人掌营养路径中的应用。多糖将在PDMS网络和角质蜡(形成仙人掌皮肤的材料)中交联。由于角质蜡具有极强的疏水性,这项工作可能会确定PDMS膜将被更可持续的材料所取代,这将在该领域产生重大影响。从事该项目的学生将接受培训,以应用创造性的工程观点来解决与环境评估和水质内在相关的问题中的化学和工业挑战。本科生的纳入将通过USF和SRI之间的本科生研究交流实习来实现。此外,高中生将接触到这个项目; PI将为佛罗里达的彼得堡当地高中制定一个新的化学实验室课程计划。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Andres Cardenas-Valencia其他文献
Andres Cardenas-Valencia的其他文献
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{{ truncateString('Andres Cardenas-Valencia', 18)}}的其他基金
IDBR: TYPE A: Development of an Animal Tracking Tag for Biological Research: Refractive Index for Rapid Georeferenced Salinity Measurements over a Wide Dynamic Range
IDBR:A 型:开发用于生物研究的动物跟踪标签:在宽动态范围内快速地理参考盐度测量的折射率
- 批准号:
1556385 - 财政年份:2016
- 资助金额:
$ 14.8万 - 项目类别:
Standard Grant
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