Industrial air pollutants have serious harmful effects
on human
health, as industry exhaust is among the main sources of air pollutants,
particularly in developing countries. Thus, in this work, a novel
material, oxidized poly(arylene sulfide sulfone)/UiO-66-NH2 (OPASS/UiO-66-NH2) nanofibrous membrane, was developed
for the removal of both volatile organic compounds (VOCs) and PM2.5 via electrospinning, post-oxidation treatment, and in situ
vertical growth. The result of scanning electron microscopy, Fourier
transform infrared, X-ray diffraction, and X-ray photoelectron spectroscopy
demonstrated that the OPASS/UiO-66-NH2 nanofibrous membrane
was successfully prepared. In addition, four kinds of OPASS/UiO-66-NH2 nanofibrous membranes were systematically investigated to
obtain the optimum one, which was treated for 15 min for UiO-66-NH2 growth. It is found OPASS/UiO-66-NH2 nanofibrous
membrane has outstanding comprehensive performance, high filtration
efficiency (99.98%), low pressure drop (120 Pa) for PM2.5 removal, and high sorption capacity (30.3, 28.7, and 20.3 mg/g)
to dichloromethane, toluene, and benzene. More importantly, the OPASS/UiO-66-NH2 nanofibrous membrane could endure high temperatures (250
°C) and harsh environments (N-methylpyrrolidone)
and still retain a stable morphology and excellent removal performance
for PM2.5 and VOCs. The outstanding performance of OPASS/UiO-66-NH2 nanofibrous membrane shows potential for the application
in high-temperature flue gas treatment.
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