A widely used disinfectant worldwide, chloroxylenol, has been associated with eco-toxicological threats in water environments due to its relatively high chemical stability and massive consumption.
Hong Kong University of Science and Technology Sep 6 2024 Research ers at the School of Engineering of the Hong Kong University of Science and Technology have discovered a promising alternative known as 2,6-dichlorobenzoquinone , which works more effectively in combating certain common bacteria, fungi and viruses, and can be rapidly degraded and detoxified in receiving waters.
Inspired by the structural property and degradability of some halo-phenolic DBPs, the research team managed to select an effective broad-spectrum disinfectant from the DBPs that can be rapidly degraded and detoxified in receiving waters. The research team tested the efficacy of 10 different DBPs in inactivating various pathogens, including E. coli , Staphylococcus aureus , Candida albicans , and bacteriophage MS2 .
We discovered that the selected DBP exhibited substantially stronger antimicrobial efficacy than chloroxylenol and that its concentration and associated developmental toxicity in receiving seawater decreased rapidly, even in darkness." He emphasized the pressing need for more effective and eco-friendly disinfectants, particularly in the wake of the COVID-19 pandemic.
Related Stories"This innovative study not only provides a potential solution to better support human biosecurity while prioritizing environmental sustainability, but also carries significant implications for the development of green disinfectants and other green industrial products by exploiting the slightly alkaline nature of seawater.
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