自然曝气生物滤床对二级污水处理厂尾水中抗生素的去除效果及影响因素研究

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Abstract

Through the use of a natural biological aerated filter for treatment of antibiotics from sewage plant effluent,the removal and influencing factors were analyzed.The results showed that the natural biological aerated filter could effectively remove tetracyclines(58±2)%,quinolones(48±20)% and macrolides(18±11)%,respectively.Microbial degradation and adsorption processes appeared to be the most important pathways for antibiotics in the natural biological aerated filter,whose synergistic effect also could extend the cycle of operation.The results also showed that the treatment of antibiotics was greatly affected by the hydraulic loading rate,and the optimal hydraulic loading rate for the removal of antibiotics in the natural biological aerated filter was 4.8-6.4 m/d.In addition,the elimination of some antibiotics was also influenced by the water quality parameters,such as temperature,pH,COD and nitrification.

Key words： antibiotics natural biological aerated filter sewage plant effluent removal efficiency hydraulic loading rate

Received: 25 June 2012

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	Articles by authors
	A Dan
	Yang Yang
	DAI Yu-nü
	Chen Chun-xing
	WANG Su-yu

Cite this article:

A Dan,Yang Yang,DAI Yu-nü, et al. Removal of antibiotics from sewage plant effluent by a natural biological aerated filter and the influencing factors[J]. , 2012, 31(3): 289-294.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2012/V31/I3/289

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