| Title | Research and Modelling the Ability of Waste from Water and Wastewater Treatment to Remove Phosphates from Water |
|---|---|
| ID_Doc | 9397 |
| Authors | Sarko, J; Leonaviciene, T; Mazeikiene, A |
| Title | Research and Modelling the Ability of Waste from Water and Wastewater Treatment to Remove Phosphates from Water |
| Year | 2022 |
| Published | Processes, 10.0, 2 |
| Abstract | 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 degrees 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. |
| https://www.mdpi.com/2227-9717/10/2/412/pdf?version=1645352801 |
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