Removal of Trace Plant Antibiotics from Water Systems by Adsorption: A Review

Plant antibiotics in water are considered an emerging issue due to their interference with human health. Antibiotics protect crops from diseases; however, low levels of antibiotics are found in wastewater due to their incomplete removal. Several treatment methods are available, but with limitations...

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Published in:Chemical engineering & technology 2022-10, Vol.45 (10), p.1721-1730
Main Authors: Battak, Normalija, Kamin, Zykamilia, Bahrun, Mohd Hardyianto Vai, Chiam, Chel Ken, Peter, Elysandra, Bono, Awang
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Agriculture
Antibiotics
Equilibrium isotherms
Isotherms
Kinetic models
Maintenance costs
Wastewater
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Summary:Plant antibiotics in water are considered an emerging issue due to their interference with human health. Antibiotics protect crops from diseases; however, low levels of antibiotics are found in wastewater due to their incomplete removal. Several treatment methods are available, but with limitations such as high operation and maintenance costs and the formation of toxic by‐products. Antibiotic removal by adsorption is an alternative method, being a low‐energy process with simple operation, mainly if used with carbonaceous adsorbents. Antibiotic removal was fit to a wide variety of isotherm and kinetic models, with the Freundlich isotherm as the most employed one. This paper aims to review the use of the adsorption process in the removal of plant antibiotics from water systems. Antibiotics used in plants persist in trace amounts, flow underground, and enter wastewater treatment plants. Of the various technologies available to remove trace antibiotics from water systems, adsorption is the most efficient process in removing trace quantities of pollutants, depending on the selection of proper adsorbents such as activated carbons, biochars, carbon nanotubes, and bentonites.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.202200032