NDLI: Green zero-valent iron nanoparticles for the degradation of amoxicillin

Content Provider	Springer Nature Link
Author	Machado, S. Nouws, H. P. A. Albergaria, J. T. Delerue Matos, C. Pacheco, J. G.
Copyright Year	2016
Abstract	In the last years, it has been proven that zero-valent iron nanoparticles, including those produced using green methods, are efficient remediation agents for a wide range of target contaminants. However, apart from the known advantages of these green nanomaterials, the knowledge of how they act on distinct contaminants is not yet fully understood and requires further investigation. The objectives of this work were to study the degradation of a common antibiotic, amoxicillin, in water and in a sandy soil using green zero-valent iron nanoparticles (gnZVIs) as reductants and as catalysts for the Fenton reaction. It represents the first study of the use of gnZVI, as alternative for the zero-valent iron nanoparticles produced with sodium borohydride, for the degradation of amoxicillin. The results of the performed tests indicate that gnZVIs have the potential to be used in remediation processes. In both chemical tests, the gnZVI was able to degrade up to 100% of amoxicillin in aqueous solutions, using an amoxicillin/gnZVI molar ratio of 1:15 when applied as a reductant, and an amoxicillin/H$_{2}$O$_{2}$/gnZVI molar ratio of 1:13:1 when applied as a catalyst for the Fenton reaction. The soil tests showed that the required molar ratios for near complete degradation were higher in the reduction test (1:150) than in the gnZVI-catalyzed Fenton reaction (1:1290:73). This is possibly due to parallel reactions with the soil matrix and/or limitations of the reagents to reach the entire soil sample. The degradation efficiencies obtained in these tests were 55 and 97% for the reduction and catalyzed Fenton processes, respectively.
Starting Page	1109
Ending Page	1118
Page Count	10
File Format	PDF
ISSN	17351472
Journal	International Journal of Environmental Science & Technology
Volume Number	14
Issue Number	5
e-ISSN	17352630
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-11-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Water Ecotoxicology Water Management Waste Water Technology Fenton Aquatic Pollution Amoxicillin Soil Environmental remediation Environment Water Pollution Control Catalyst Environmental Chemistry Green zero-valent iron nanoparticles Environmental Science and Engineering Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Environmental Engineering Agricultural and Biological Sciences

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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