自愈水凝胶
表面改性
微生物
纳米技术
生化工程
水处理
氯
水消毒
环境科学
材料科学
化学
环境工程
细菌
化学工程
工程类
生物
有机化学
遗传学
作者
Estefane Caetano Nazzari,Natália de Camargo Lima Beluci,Grace Anne Vieira Magalhães Ghiotto,Jean Paulo Silva Natal,Rosângela Bergamasco,Raquel Guttierres Gomes
标识
DOI:10.1080/15422119.2022.2048394
摘要
One of the requirements for the treatment of drinking water is the removal of pathogenic microorganisms. Typically, the most used techniques apply inorganic nanoparticles or chlorine release precursors to inactivate bacteria. While these treatments are very effective, they tend to show a decrease in antimicrobial activity over time, releasing potentially toxic ions and contributing to bacterial resistance. In this sense, the development of hydrogel-based materials has become a potential alternative for water disinfection. The synthesis and functionalization of hydrogels have been proven to improve the global performance of microorganism retention. Our work provides an overview of the synthesis and functionalization of hydrogel-based materials, their advantages and limitations, and the latest research on the use of hydrogels for water disinfection. The future panorama of hydrogel-based materials applicability for water treatment is also provided. The main challenge to expand the use of hydrogels in water treatment is the lack of research assessing the feasibility of large-scale applicability of these materials, considering real systems. Most of the studies carried out experiments at laboratory scale with controlled situations, in which interactions between microorganisms and real world contaminants were not considered.
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