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Environment-Friendly Removal Methods for Endocrine Disrupting Chemicals

by Xiufang Gao 1,2,†, Shuang Kang 3,†, Rongwei Xiong 1,2 and Ming Chen 3,*
1
College of Resources and Environment, Yangtze University, Wuhan 430100, China
2
Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434025, China
3
College of Environmental Science and Engineering and Key Laboratory of Environmental Biology and Pollution Control (Ministry of Education), Hunan University, Changsha 410082, China
*
Author to whom correspondence should be addressed.
These authors contribute equally to this article.
Sustainability 2020, 12(18), 7615; https://doi.org/10.3390/su12187615
Received: 17 August 2020 / Revised: 3 September 2020 / Accepted: 8 September 2020 / Published: 16 September 2020
In the past few decades, many emerging pollutants have been detected and monitored in different water sources because of their universal consumption and improper disposal. Among these, endocrine-disrupting chemicals (EDCs), a group of organic chemicals, have received global attention due to their estrogen effect, toxicity, persistence and bioaccumulation. For the removal of EDCs, conventional wastewater treatment methods include flocculation, precipitation, adsorption, etc. However, there are some limitations on these common methods. Herein, in order to enhance the public’s understanding of environmental EDCs, the definition of EDCs and the characteristics of several typical EDCs (physical and chemical properties, sources, usage, concentrations in the environment) are reviewed and summarized in this paper. In particular, the methods of EDC removal are reviewed, including the traditional methods of EDC removal, photocatalysis, biodegradation of EDCs and the latest research results of EDC removal. It is proposed that photocatalysis and biodegradation could be used as an environmentally friendly and efficient EDC removal technology. Photocatalytic technology could be one of the water treatment methods with the most potential, with great development prospects due to its high catalytic efficiency and low energy consumption. Biodegradation is expected to replace traditional water treatment methods and is also considered to be a highly promising method for efficient removal of EDCs. Besides, we summarize several photocatalysts with high catalytic activity and some fungi, bacteria and algae with strong biodegradability. View Full-Text
Keywords: endocrine-disrupting chemicals; photocatalytic degradation; biodegradation endocrine-disrupting chemicals; photocatalytic degradation; biodegradation
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Gao, X.; Kang, S.; Xiong, R.; Chen, M. Environment-Friendly Removal Methods for Endocrine Disrupting Chemicals. Sustainability 2020, 12, 7615.

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