城市污水再生处理反渗透产水的水质特征与超高标准处理技术

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Abstract Because reverse osmosis (RO) can remove most pollutants from the feed water, RO technology has great application potential in treating municipal wastewater and producing reclaimed water for boilers, electronics industry and potable reuse. This study systematically summarized the concentration level, composition characteristics and sources of organic matter in municipal wastewater reclamation reverse osmosis (mWRRO) effluent. The usages of mWRRO effluent and corresponding risks were analyzed. The current ultra-high standard treatment technologies for mWRRO effluent and their developing trends were discussed. Compared with conventional water sources, the concentration of organic matter in the RO effluent produced during municipal wastewater reclamation process was higher (up to 500~1000μg-C/L). More than 100 organic contaminants have been identified in mWRRO effluent. Pharmaceuticals and personal care products, industrial compounds, endocrine disruptors, and oxidative by-products in RO effluent are frequently detected (10^-3~2.5μg/L). Their long-term health risks deserve attention. The composition and characteristics of around 70% of the organic matter (calculated by organic carbon) in RO effluent have not been fully elucidated, which require systematic investigation. The radical synergistic oxidation and dual-wavelength ultraviolet (VUV/UV) technology are important developing trends of ultra-high standard treatment technology for RO effluent.

Key words： reclaimed water reverse osmosis effluent ultra-high standard treatment radical synergistic oxidation VUV/UV

Received: 18 October 2021

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X703

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	Articles by authors
	HUANG Nan
	WANG Wen-Long
	WU Qian-Yuan
	WANG Qi
	WU Yin-Hu
	CHEN Zhuo
	XU Ao
	XIONG Jiang-Lei
	HU Hong-Ying

Cite this article:

HUANG Nan,WANG Wen-Long,WU Qian-Yuan等. Composition characteristics and ultra-high standard treatment of reverse osmosis effluent produced during municipal wastewater reclamation process[J]. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(5): 2088-2094.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2022/V42/I5/2088

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