LAPSE:2023.3076
Published Article
LAPSE:2023.3076
Research and Modelling the Ability of Waste from Water and Wastewater Treatment to Remove Phosphates from Water
February 21, 2023
This research investigated the ability of two materials, which are waste generated during water treatment and wastewater treatment, to remove phosphates from water. The selected materials were quartz sand used in drinking water treatment plants (OQS) and incinerated (600 °C) sewage sludge (ISS). The materials were chosen for their composition: both contain aluminium, iron, and calcium. The experiments were carried out in the laboratory (in batch and in columns stand). Modelling of the sorption processes was performed on the basis of results from experiments in batches. The maximum adsorption capacity of the OQS was 1.14 mg/g obtained using the linearized Langmuir model and the maximum adsorption capacity of the ISS was 0.86 mg/g for the linearized Langmuir model (in batch). A pseudo-first-order model obtained using a nonlinear fit can accurately explain phosphate adsorption kinetics using both adsorbents: OQS and ISS. During the column filtration experiment, a higher sorption capacity of the ISS filter media was achieved −2.1 mg of phosphate phosphorus per gram of filter media. The determined adsorption capacity of the investigated materials was average, but the reuse of this waste would help to solve the issues of the circular economy.
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Suggested Citation
Šarko J, Leonavičienė T, Mažeikienė A. Research and Modelling the Ability of Waste from Water and Wastewater Treatment to Remove Phosphates from Water. (2023). LAPSE:2023.3076
Author Affiliations
Šarko J: Department of Environmental Protection and Water Engineering, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania [ORCID]
Leonavičienė T: Department of Mathematical Modelling, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
Mažeikienė A: Department of Environmental Protection and Water Engineering, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
Leonavičienė T: Department of Mathematical Modelling, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
Mažeikienė A: Department of Environmental Protection and Water Engineering, Faculty of Environmental Engineering, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
Journal Name
Processes
Volume
10
Issue
2
First Page
412
Year
2022
Publication Date
2022-02-20
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr10020412, Publication Type: Journal Article
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LAPSE:2023.3076
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doi:10.3390/pr10020412
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[v1] (Original Submission)
Feb 21, 2023
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Feb 21, 2023
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