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Published on: December 24, 2014
Insights of using microbial material in fluoride removal from wastewater: A review
Linlin Cui1, Junjun Wang2, Hao Zhou1
1School of Minerals Processing and Bioengineering, Central South University, Changsha, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China.
Abstract:
Fluoride is an essential trace element for the human body, but excessive fluoride can cause serious environmental and health problems. Therefore, developing efficient fluoride removal technologies is crucial. This review summarizes the progress made in using microbial materials to remove fluoride from wastewater, covering strategies that involve pure cultures of bacteria, fungi, and algae, as well as modified microbial materials and bioreactors. Live microorganisms exhibit high efficiency in adsorbing low concentrations of fluoride, while modified microbial materials are more suitable for treating high concentrations of fluoride. The review discusses the adsorption mechanisms and influencing factors of these technologies, and evaluates their practical application potential through techno-economic analysis. Finally, future research directions are proposed, including the optimization of modification technologies and the selection of effective microbial species, providing theoretical guidance and a basis for future microbial defluoridation technologies.
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