The Effects of Coagulation on Adsorption of Micropollutants in Waste Water Treatment Plants

In this study, the potential positive or negative effects of the coagulation process during the adsorption of micropollutants were investigated in treated waste water. Single‐walled carbon nanotubes (SWCNTs) were employed as adsorbents in batch adsorption processes. Alum was used as a coagulant in b...

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Bibliographic Details
Published in:ChemistrySelect (Weinheim) 2024-11, Vol.9 (44), p.n/a
Main Author: Özdemir, Kadir
Format: Article
Language:English
Subjects:
Adsorption
Coagulation
Micropollutants
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Summary:In this study, the potential positive or negative effects of the coagulation process during the adsorption of micropollutants were investigated in treated waste water. Single‐walled carbon nanotubes (SWCNTs) were employed as adsorbents in batch adsorption processes. Alum was used as a coagulant in batch coagulation experiments carried out in the laboratory to coagulate water samples obtained from effluents at the advanced biological wastewater treatment plant in the center of Zonguldak (ZWWTP), Turkey. The ultrafiltration process (UF) was used to demonstrate the importance of the dissolved organic matter content (DOM) for the removal of micropollutants by coagulation and adsorption. Consequently, coagulation was found to be effective in the removal of hydrophobic organics, that is, DOM fractions with molecular weights of 5 kDa and 1–3 kDa, while adsorption with SWCNT was effective in the removal of hydrophilic organics (
ISSN:2365-6549
2365-6549
DOI:10.1002/slct.202403043