期刊
ATMOSPHERE
卷 13, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/atmos13081260
关键词
air purification filter; nanowire array; electric field; PM2 5; SO2
资金
- National Natural Science Foundation of China [21771001]
- Key projects of quality engineering teaching and research in Anhui Province [2018jyxm0365]
- Program of Anhui Scientific and Technical Leaders Reserve Candidates [2018H168]
- Scholar Program for the Outstanding Innovative Talent of College Discipline (Specialty)
- open fund for Discipline Construction, Institute of Physical Science and Information Technology, Anhui University
In this study, a novel air purification filter was synthesized that can efficiently remove both PM2.5 and SO2, while maintaining durability.
Removal rate and durability are the two most important parameters of an ideal air purification filter to remove inhalable particles and toxic gases. Here, based on the interaction of a local electric field and an external electric field, a novel coaxial core-shell CuO@NH2-MIL-53(Al) nanowire array was synthesized on a rigid copper net, which was used to remove PM2.5 and SO2 simultaneously. The removal rates of PM2.5 by the filter with and without an external electric field can reach 98.72% and 44.41%, respectively, and the adsorption capacity of SO2 can reach 4.87 mol/m(2). After repeated filtration and cleaning for 10 cycles, the air pollution removal efficiency can be kept almost stable.
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