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- Title
Four-in-one multifunctional air filter using copper coordination polymer particle decorated fibre for efficient pathogen removal and indoor air treatment.
- Authors
Thi Le, Van Cam; Sheraz, Mahshab; Kang, Eunsil; Ly, Huyen Ngoc; Mai, Hien Duy; Lee, Woo Ram; Kim, Choong-Gon; Kim, Seungdo
- Abstract
This paper introduces a multifunctional air filter with a strong ability to trap and disinfect pathogens and absorb particulate matter (PM), the volatile organic compound (VOC), and CO 2. This study demonstrates a facile and eco-friendly synthesis of copper coordination polymer particle (Cu-CPP)-decorated non-woven fibre filters (Cu-CPP/NWF) via an in situ growth dip-coating method. Their multifunction potentials in air pollution treatment are also assessed. The Cu-CPP/NWF filter media showed a remarkable performance for air treatment, with 100% disinfection efficiency against airborne E. coli bacteria (2 × 106 CFU mL−1) in 45 min, superior PM removal efficiency (quality factor 0.299 Pa−1), excellent p-xylene adsorption capacities (1.19 mmol/g) and high potential CO 2 uptake capacities (19.81 cm3/g). A Cu-CPP can work as an antibacterial agent and an adsorbent component, thus offering many applications. The rational integration of Cu-CPP can substantially enhance the filtration efficiency via electrostatic interaction, while most commercial air purifiers rely on dense fibrous filters. This study provides valuable insight into developing a multifunctional and reusable air filter proven to be a life-saving product for public health protection. [Display omitted]
- Subjects
AIR filters; AIR pollution potential; COORDINATION polymers; ESCHERICHIA coli; COORDINATION polymers synthesis; CARBON sequestration; MICROBIOLOGICAL aerosols
- Publication
Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B, 2022, Vol 166, p177
- ISSN
0957-5820
- Publication type
Article
- DOI
10.1016/j.psep.2022.08.007