Multifunctional metal organic framework and carbon nanotube-modified filter for combined ultrafine dust capture and SO2 dynamic adsorption

Feng, Shasha, Li, Xingya, Zhao, Shuaifei, Hu, Yaoxin, Zhong, Zhaoxiang, Xing, Weihong and Wang, Huanting 2018, Multifunctional metal organic framework and carbon nanotube-modified filter for combined ultrafine dust capture and SO2 dynamic adsorption, Environmental Science: Nano, vol. 5, no. 12, pp. 3023-3031, doi: 10.1039/c8en01084f.

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Title Multifunctional metal organic framework and carbon nanotube-modified filter for combined ultrafine dust capture and SO2 dynamic adsorption
Formatted title Multifunctional metal organic framework and carbon nanotube-modified filter for combined ultrafine dust capture and SO₂ dynamic adsorption
Author(s) Feng, Shasha
Li, Xingya
Zhao, ShuaifeiORCID iD for Zhao, Shuaifei orcid.org/0000-0002-7727-6676
Hu, Yaoxin
Zhong, Zhaoxiang
Xing, Weihong
Wang, Huanting
Journal name Environmental Science: Nano
Volume number 5
Issue number 12
Start page 3023
End page 3031
Total pages 9
Publisher Royal Society of Chemistry
Place of publication London, Eng.
Publication date 2018
ISSN 2051-8153
2051-8161
Keyword(s) Science & Technology
Physical Sciences
Life Sciences & Biomedicine
Chemistry, Multidisciplinary
Environmental Sciences
Nanoscience & Nanotechnology
Chemistry
Environmental Sciences & Ecology
Science & Technology - Other Topics
AIR FILTRATION
AEROSOL
RESISTANCE
EFFICIENCY
REDUCTION
MEMBRANES
REMOVAL
PM2.5
Summary © The Royal Society of Chemistry. Ultrafine dust and acid polar gas species (SO2, NOx, H2S, etc.) in the atmosphere have severe effects on human health. They are the most important indices for air quality evaluation. In this work, we developed a multifunctional, metal organic framework (MOF: UiO-66-NH2) and carbon nanotube (CNT)-modified filter for efficient ultrafine dust removal and acid gas adsorption. A thin layer of amine-functionalized CNTs was used to construct network skeletons on a polytetrafluoroethylene (PTFE) substrate and acted as an intermediate between the porous MOF nanoparticles and the PTFE substrate. The pore size of the filter was successfully regulated from 5.1 to 2.1 μm while the modified filter still had a high gas permeability of up to 402 m3 m−2 h−1 kPa−1. This well-designed multifunctional filter showed an extremely high capture efficiency (99.997%) for ultrafine dust (diameter ∼0.3 μm) and SO2 adsorption capacity in dynamic filtration. Our filter with hierarchical structures is very promising for indoor air purification.
Language eng
DOI 10.1039/c8en01084f
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30129287

Document type: Journal Article
Collections: Institute for Frontier Materials
GTP Research
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