NTE: Engineering of Nanospaces: Hybrid Membranes for Environmentally Important Separations (TSE03-P)

NTE：纳米空间工程：用于环境重要分离的混合膜（TSE03-P）

• 批准号: 0329386
• 负责人: Daniel Shantz
• 金额: --
• 依托单位: Texas A&M Engineering Experiment Station
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2003
• 资助国家: 美国
• 起止时间: 2003-08-01 至 2007-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0329386&HistoricalAwards=false
• 关键词: NTE; Engineering; Nanospaces; Hybrid; Membranes

Proposal Title: NTE: Engineering of Nanospaces: Hybrid Membranes for Environmentally Important SeparationsProposal Number: CTS-0329386Principal Investigator: David FordInstitution: Texas A&M UniversityThe objective of this proposal is to design, synthesize, and evaluate organic-inorganic hybrid membranes for applications such as removal of trace volatile organic contaminants from air or water streams. The membrane processes employed for these two applications will be vapor permeation and pervaporation. Membrane materials will be based on mesoporous inorganic frameworks with average pore sizes ranging from 1 to 100 nm. The porous spaces of the framework will be modified by chemically attaching dendrimeric molecules to the pore surfaces. This architecture will afford a degree of simultaneous control over both the chemistry and free volume of the membrane, which is difficult to achieve with polymeric or inorganic materials. Design goals will be accomplished by manipulating the dendrimer chemistry, pore geometry, and dendrimer surface density. Organic dendrimers will be designed to adsorb target contaminants without permanently sequestering them. In terms of the broader impacts, the students will benefit from an interdisciplinary experience that connects materials synthesis and separation processes. The membranes produced have the potential to remove toxic contaminants before they enter the environment.

提案标题：NTE：纳米空间工程：杂化膜用于环境重要的分离建议编号：CTS-0329386主要研究者：大卫福特机构：得克萨斯州A& M大学本建议的目的是设计，合成和评估有机-无机杂化膜的应用，如从空气或水流中去除痕量挥发性有机污染物。 用于这两种应用的膜过程将是蒸汽渗透和渗透蒸发。 膜材料将基于平均孔径为1至100 nm的中孔无机框架。 骨架的多孔空间将通过将树枝状分子化学连接到孔表面来改性。 这种结构将提供一定程度的同时控制膜的化学性质和自由体积，这是用聚合物或无机材料难以实现的。 设计目标将通过操纵树枝状聚合物化学、孔几何形状和树枝状聚合物表面密度来实现。 有机树枝状聚合物将被设计为吸附目标污染物，而不会永久隔离它们。在更广泛的影响方面，学生将受益于连接材料合成和分离过程的跨学科经验。 所生产的膜具有在有毒污染物进入环境之前去除它们的潜力。