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Bacteria Elimination and SO 2 Filtration Using Spacer Fabric Loaded With Natural Zeolite‐Nanosilver Composites
Author(s) -
ShirmohammadiBahadoran Mohammad Mehdi,
Montazer Majid,
Kamali Dolatabadi Mehdi,
Bahador Abbas
Publication year - 2018
Publication title -
clean – soil, air, water
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 66
eISSN - 1863-0669
pISSN - 1863-0650
DOI - 10.1002/clen.201700240
Subject(s) - polyethylene terephthalate , adsorption , scanning electron microscope , silver nitrate , materials science , sodium borohydride , silver nanoparticle , composite material , polyester , nuclear chemistry , field emission microscopy , air permeability specific surface , air filter , transmission electron microscopy , filter paper , filtration (mathematics) , nanoparticle , chemistry , nanotechnology , chromatography , organic chemistry , diffraction , mechanical engineering , physics , engineering , layer (electronics) , optics , inlet , catalysis , statistics , mathematics
A spacer polyethylene terephthalate (PET) fabric is produced for SO 2 elimination along with antibacterial properties as textile filter. The silver nanoparticles (AgNPs) are first in‐situ synthesized on natural zeolite (Z) by wet chemical reduction using silver nitrate and sodium borohydride at room temperature. The prepared composite powder is characterized by energy dispersive X‐ray diffraction, field emission scanning electron microscopy, and transmission electron microscopy. Z/AgNPs powder is uniformly fabricated on the spacer polyester fabric through a new electro‐deposition method. It is then cured at 160 °C for 3 min and named PET‐Z/AgNPs. SO 2 adsorption of PET‐Z/AgNPs is confirmed using a gas analyzer. The ability of the treated fabric to eliminate airborne Pseudomonas aeruginosa , a Gram‐negative bacterium, and Staphylococcus aureus , a Gram‐positive bacterium, is also evaluated using the modified shake flask method (AATCC‐100). No bacterial growth is observed on PET‐Z/AgNPs after 2 h. Furthermore, the breakthrough time of the treated fabric for SO 2 with 5 ppm concentration was 12 min at room temperature. In addition, the treated 3D filter fabric shows suitable air permeability for application in air filtration systems.