Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Design improvements for a recirculating reactor: Enhanced temperature measurement and sample-isolated reactivity in steady-state kinetic studies.

The Review of scientific instruments·2026
Same author

Effect of Hydrophobic Surface Modification on the Water Vapor Sorption Properties of Cellulose Paper.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Size and Cross-Linking Dependent Gold Nanoparticle Interactions with Dynamic Pectin Model Plant Cell Walls.

ACS nano·2026
Same author

Controlling Exsolution Dynamics in High-Entropy Oxides for Highly Active and Selective Acetylene Semi-Hydrogenation.

Angewandte Chemie (International ed. in English)·2026
Same author

First-Principles Molecular Dynamics Simulations of Ammonia Adsorption onto MFI Zeolite Nanosheets.

ACS nanoscience Au·2026
Same author

Tandem bulk oxygen diffusion and surface reactions in reducible metal oxides control redox cycle dynamics.

Nature communications·2026

相关实验视频

Updated: Jun 9, 2025

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes
07:45

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Published on: August 16, 2018

9.9K

修改ZIF-8膜以使用X射线辐射进行气体分离.

Dennis T Lee1,2, Mueed Ahmad2,3, Peter Corkery1

  • 1Department of Chemical and Biomolecular Engineering & Institute for NanoBioTechnology, Johns Hopkins University 3400 N. Charles Street, Baltimore, MD 21218, USA.

Angewandte Chemie (International ed. in English)
|October 31, 2024
PubMed
概括

X射线辐射改变ZIF-8膜,显著增强二氧化碳与和甲的分离. 这一过程提高了二氧化碳气体净化应用的选择性.

关键词:
气体分离器 气体分离器膜修改变化 膜修改变化金属有机的框架.在X射线辐射照射过程中,在ZIF-8膜中使用.

更多相关视频

Author Spotlight: Advances in Evaluating Human Lung Epithelial Cells' Response to Metal-Organic Frameworks
04:53

Author Spotlight: Advances in Evaluating Human Lung Epithelial Cells' Response to Metal-Organic Frameworks

Published on: May 26, 2023

853
Preparation of Light-responsive Membranes by a Combined Surface Grafting and Postmodification Process
12:00

Preparation of Light-responsive Membranes by a Combined Surface Grafting and Postmodification Process

Published on: March 21, 2014

11.8K

相关实验视频

Last Updated: Jun 9, 2025

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes
07:45

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Published on: August 16, 2018

9.9K
Author Spotlight: Advances in Evaluating Human Lung Epithelial Cells' Response to Metal-Organic Frameworks
04:53

Author Spotlight: Advances in Evaluating Human Lung Epithelial Cells' Response to Metal-Organic Frameworks

Published on: May 26, 2023

853
Preparation of Light-responsive Membranes by a Combined Surface Grafting and Postmodification Process
12:00

Preparation of Light-responsive Membranes by a Combined Surface Grafting and Postmodification Process

Published on: March 21, 2014

11.8K

科学领域:

  • 材料科学 材料科学 材料科学
  • 化学工程是化学工程的重要组成部分.
  • 膜技术 膜技术 膜技术

背景情况:

  • 泽奥利特式伊米达酸框架 (ZIF) 是气体分离的有前途的膜材料.
  • 控制膜结构和特性对于高效的气体分离至关重要.
  • 辐射诱导的修饰提供了一个潜在的途径来调整膜性能.

研究的目的:

  • 研究X射线辐射对ZIF-8膜结构和气体透性质的影响.
  • 评估X射线辐射在ZIF-8膜中增强气体选择性的潜力.
  • 确定最佳的辐射条件,以提高气体分离性能.

主要方法:

  • 制造ZIF-8膜. 这是一个很好的方法.
  • 暴露ZIF-8膜在特定时间 (300分钟) 的X射线辐射中.
  • 在辐射前后测量气体透率 (CO2,N2,CH4) 和理想选择性.

主要成果:

  • 在ZIF-8膜中,X射线辐射诱导了结构变化.
  • 经过300分钟的辐射,二氧化碳透率略有下降,降低了9%.
  • 2和CH4的透率显著降低,分别降低了75%和65%.
  • 对CO2/N2的理想选择性增加了3.7倍,对于CO2/CH4增加了2.6倍.

结论:

  • X射线辐射是修改ZIF-8膜结构和气体透行为的有效方法.
  • 增强的选择性使得X射线辐射ZIF-8膜非常适合用于二氧化碳的捕获和净化.
  • 这项研究展示了一种新的方法,用于为特定的气体分离挑战量身定制膜性能.