Elimination of two hormones by ultrasonic and ozone combined processes

Mingcan Cui; Younggyu Son; Myunghee Lim; Seungmin Na; Jeehyeong Khim

doi:10.1143/JJAP.49.07HE09

Elimination of two hormones by ultrasonic and ozone combined processes

Mingcan Cui, Younggyu Son, Myunghee Lim, Seungmin Na, Jeehyeong Khim

School of Civil, Environmental and Architectural Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A direct ultrasonic (US) and ozone (O₃) combination (US/O ₃) process for the removal of two hormones, estrone (E1) and estriol (E3), in aqueous solutions was investigated. These two hormones were detected in a wastewater treatment plant effluent in Korea. It was found that the ultrasonic/ ozone process showed a higher removal performance than the US and O₃ process even though the O₃ process also showed approximately the same removal efficiency after 60 min. Chemical oxygen demand/total organic carbon (CODcr/TOC) ratios for E1 and E3 decreased, indicating that biodegradability could be increased significantly in the US/O₃ process. The optimal pH condition was determined above the neutral pH condition.

Original language	English
Article number	07HE09
Journal	Japanese journal of applied physics
Volume	49
Issue number	7 PART 2
DOIs	https://doi.org/10.1143/JJAP.49.07HE09
Publication status	Published - 2010 Jul

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "A direct ultrasonic (US) and ozone (O3) combination (US/O 3) process for the removal of two hormones, estrone (E1) and estriol (E3), in aqueous solutions was investigated. These two hormones were detected in a wastewater treatment plant effluent in Korea. It was found that the ultrasonic/ ozone process showed a higher removal performance than the US and O3 process even though the O3 process also showed approximately the same removal efficiency after 60 min. Chemical oxygen demand/total organic carbon (CODcr/TOC) ratios for E1 and E3 decreased, indicating that biodegradability could be increased significantly in the US/O3 process. The optimal pH condition was determined above the neutral pH condition.",

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AU - Lim, Myunghee

AU - Na, Seungmin

AU - Khim, Jeehyeong

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AB - A direct ultrasonic (US) and ozone (O3) combination (US/O 3) process for the removal of two hormones, estrone (E1) and estriol (E3), in aqueous solutions was investigated. These two hormones were detected in a wastewater treatment plant effluent in Korea. It was found that the ultrasonic/ ozone process showed a higher removal performance than the US and O3 process even though the O3 process also showed approximately the same removal efficiency after 60 min. Chemical oxygen demand/total organic carbon (CODcr/TOC) ratios for E1 and E3 decreased, indicating that biodegradability could be increased significantly in the US/O3 process. The optimal pH condition was determined above the neutral pH condition.

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Elimination of two hormones by ultrasonic and ozone combined processes

Abstract

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