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Open AccessFeature PaperReview

Removal of Agrochemicals from Waters by Adsorption: A Critical Comparison among Humic-Like Substances, Zeolites, Porous Oxides, and Magnetic Nanocomposites

1
Department of Civil and Mechanical Engineering and INSTM Research Unit, Università degli Studi di Cassino e del Lazio Meridionale, Via G. Di Biasio 43, 03043 Cassino, FR, Italy
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Department of Agricultural Sciences, Università di Napoli “Federico II”, Via Università 100, 80055 Portici, NA, Italy
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Department of Applied Science and Technology and INSTM Unit of Torino-Politecnico, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
4
INRIM, Nanoscience and Materials Division, Strada delle Cacce 91, 10135 Torino, Italy
*
Author to whom correspondence should be addressed.
Processes 2020, 8(2), 141; https://doi.org/10.3390/pr8020141
Received: 16 December 2019 / Revised: 16 January 2020 / Accepted: 16 January 2020 / Published: 21 January 2020
(This article belongs to the Special Issue Advances of Nanocomposites in Bioremediation Processes)
The use of humic-like substances, zeolites, various porous oxides (i.e., Al, Fe, or Si oxides), and magnetic nanocomposites in the adsorption of agrochemicals from water was critically reviewed. Firstly, the adsorbents were characterized from the structural, textural, and physico-chemical points of view. Secondly, the fundamental aspects of the adsorption of various agrochemicals on the solids (dependence on pH, kinetics, and isotherm of adsorption) were studied and interpreted on the basis of the adsorbent features. Thirdly, iterative processes of agrochemical removal from water by adsorption on the reported solids were described. In particular, in some cases the residual concentration of agrochemicals in water was lower than the maximum concentration of agrochemicals that the Italian regulations allow to be released in wastewater, surface waters, or sink water. View Full-Text
Keywords: adsorption; agrochemicals; humic-like substances; zeolites; porous oxides; magnetic nanocomposites adsorption; agrochemicals; humic-like substances; zeolites; porous oxides; magnetic nanocomposites
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MDPI and ACS Style

Marocco, A.; Dell’Agli, G.; Sannino, F.; Esposito, S.; Bonelli, B.; Allia, P.; Tiberto, P.; Barrera, G.; Pansini, M. Removal of Agrochemicals from Waters by Adsorption: A Critical Comparison among Humic-Like Substances, Zeolites, Porous Oxides, and Magnetic Nanocomposites. Processes 2020, 8, 141.

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