Humic and Fulvic Acids as Specific Sorbents of Herbicides in Water

The ability of humic and fulvic acids (isolated from lignite with a simple, quick, and inexpensive method) to bind the active ingredients of herbicides contaminating drinking water is evaluated. During this study drinking water samples are contaminated with formulated herbicides (imazamox or a mixtu...

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Bibliographic Details
Published in:Clean : soil, air, water air, water, 2021-11, Vol.49 (11), p.n/a
Main Authors: Vrantsi, Eleni, Lakka, Achillia, Bozinou, Eleni, Athanasiadis, Vassilis, Papadaki, Eirini S., Dourtoglou, Vassilis G., Lalas, Stavros I.
Format: Article
Language:English
Subjects:
Acids
binding ability
Chemical bonds
Drinking water
Fulvic acids
Herbicides
Humic acids
Ions
Lignite
Reducing agents
Sorbents
Water analysis
Water pollution
Water sampling
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Summary:The ability of humic and fulvic acids (isolated from lignite with a simple, quick, and inexpensive method) to bind the active ingredients of herbicides contaminating drinking water is evaluated. During this study drinking water samples are contaminated with formulated herbicides (imazamox or a mixture of thifensulfuron methyl and tribenuron methyl), while humic and fulvic acids are used as reducing agents. The maximum reducing ability presented by humic and fulvic acids is 72.72% for thifensulfuron methyl and tribenuron methyl and 37.52% for imazamox. Humic acids’ binding ability is superior to that of fulvic acids. An abundant and inexpensive brown coal, lignite, is a good source of humic and fulvic acids, which can be separated using a simple, quick, and low‐cost process. These acids have the ability to bind the active constituents of herbicides that can contaminate drinking water.
ISSN:1863-0650
1863-0669
DOI:10.1002/clen.202000467