Simultaneous removal and degradation characteristics of sulfonamide, tetracycline, and quinolone antibiotics by laccase-mediated oxidation coupled with soil adsorption

Journal of Hazardous Materials
Huijun DingGuofei Dai

Abstract

The uses of laccase in the degradation and removal of antibiotics have recently been reported because of the high efficiency and environmental friendliness of laccase. However, these removal studies mostly refer to a limited number of antibiotics. In this study, soil adsorption was introduced into the laccase-oxidation system to assist the simultaneous removal of 14 kinds of sulfonamide, tetracycline, and quinolone antibiotics, which differed in structures and chemical properties. The complementary effects of laccase-mediated oxidation and soil adsorption enabled the simultaneous removal. Removal characteristics were determined by a comprehensive consideration of the separate optimum conditions for laccase oxidation and soil adsorption removal experiments. With concentrations of laccase, syringaldehyde (SA), and soil of 0.5mg/mL, 0.5mmol/L, and 50g/L, respectively, and at pH 6 and 25°C, the removal rates of each antibiotic exceeded 70% in 15min and were close to 100% in 180min. Sulfonamide antibiotics (SAs) were removed mainly by laccase oxidation and quinolone antibiotics (QUs) mainly by soil adsorption. Tetracycline antibiotics (TCs) were removed by both treatments in the coupled system, but laccase oxidation dominated. Elect...Continue Reading

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Citations

Oct 26, 2016·Journal of Hazardous Materials·Jie YangJuan Lin
May 4, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Shenping ZhangHonglai Liu
Oct 19, 2017·Biotechnology Letters·Timothy D LeathersAmber M Anderson
Feb 16, 2017·Environmental Science and Pollution Research International·Bin YangWeihao Zhang
Sep 10, 2018·Environmental Science and Pollution Research International·Zhong Wan, Jianlong Wang
Sep 15, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Jehun KwakChang-Gyun Kim
Dec 22, 2019·Journal of Hazardous Materials·Agnieszka CuprysRao Y Surampalli
May 6, 2021·Environmental Science and Pollution Research International·Sikandar I MullaDummi Mahadevan Gurumurthy
Nov 14, 2021·Environmental Science and Pollution Research International·Mansi AprejaPrince Sharma

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