Catalytic disinfection: Quasi-dynamically monitoring bacteria ...
2023年11月15日 · The Cu/ZIS-driven catalytic disinfection under indoor lighting (Vis, 420 < λ < 630 nm) exhibited excellent bactericidal efficiencies of 100% both for P. aeruginosa (≥ 6 logs) and mixed bacteria in natural water (i.e., Dongtiaoxi River), while it also functions as hindering bacteria regrowth and suppressing Cu loss.
Photocatalytic disinfection of different airborne microorganisms …
2022年6月1日 · In the original UV disinfection system, the addition of photocatalysis materials can improve the disinfection efficiency in different degrees, indicating it’s a economical and practical technology. The inactivation efficiencies of four kinds of microorganisms at different UV wavelength is showed in Fig. 2 .
Piezotronic effect enhanced catalytic sterilization: Mechanisms …
1 天前 · Piezo-catalysis, piezo-photocatalysis, and piezo-nanozymes boost catalytic activity, driving sterilization advances. Wound care, antibacterial fabrics, and implants highlight the effectiveness of piezotronics in pathogen elimination.
Are photocatalytic processes effective for removal of ... - Springer
2021年6月14日 · In air disinfection, air velocity is an important parameter that affects the performance of biological aerosol removal. The airflow in terms of velocity and air distribution should provide effective contact between microbial agents such as viruses with optical photons and radicals responsible for the destruction of these agents in air stream.
Disinfection of Microbial Aerosols - SpringerLink
2017年9月1日 · There are four general methods to reduce airborne concentrations of microbes: the use of ultraviolet lamps for germicidal irradiation (UVGI), air filtration through high-efficiency particulate filters (HEPA), photocatalytic oxidation, and application of plasma.
Design and performance evaluation of a photocatalytic reactor …
2020年11月21日 · The performance of a packed-bed photocatalytic reactor for air disinfection has been analysed. The reactor can completely remove vegetative cells and resistant forms of B. subtilis from the air by combining filtration and photocatalytic inactivation.
Indoor airborne disinfection with electrostatic disinfector (ESD ...
2021年5月12日 · Corona discharge in an electrostatic precipitator is capable of removing particulate matter and disinfecting biological aerosols to act as electrostatic disinfector (ESD). The ions generated by ESD can effectively inactivate bacteria/viruses.
Metal-organic frameworks with photocatalytic bactericidal
2019年5月16日 · Air filters fabricated from ZIF-8 show remarkable performance for integrated pollution control, with >99.99% photocatalytic killing efficiency against airborne bacteria in 30 min and 97% PM...
High Efficiency Antibacterial, Moisture Permeable, and Low …
2023年2月3日 · a) Schematic diagram of sterilization function of NF@Ag air filter by releasing Ag + ions; b) antibacterial properties of different air filters against E.coli and S. aureus, respectively. It is well known that heat treatment at 65 °C or higher can inactivate COVID-19 due to heat treatment can alter its protein structure and thus affect virus ...
Advances in Photocatalytic Disinfection: Performances and …
In this article, the latest results in the studies on the use of semiconductor photocatalysts to remove microorganisms and their related genes (DNA and RNA) from the environment, including operating conditions and removal efficiency, are summarized.