Article (Scientific journals)
Removal of phosphate from wastewater using coal slag
Nguyen, Lam; Hoa, Thai Ma; Bashir, Mohammed et al.
2021In International Journal of Environmental Analytical Chemistry, 101 (15), p. 2668-2678
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Keywords :
adsorption capacity; chemical composition; coal slag; phosphate ions; isothermal
Abstract :
[en] Adsorption is an efficient, cost-effective, and eco-friendly method for the treatment of phosphorus from wastewater. This work presents the adsorptive removal of phosphate ions in aqueous solution using coal slag (CS) from a thermal power plan. The surface morphological analysis showed that the CS particles were around 50 µm with a surface area of 9.20 m2 g−1 and adsorption average pore width of 6.42 nm, offering the high capability for phosphate ions adsorption. The optimising phosphate ions adsorption conditions were investigated based on various parameters, including contact time, pH, and amount of absorbent. The experimental results showed that the maximum loading adsorption capacity was 21.63 mg g−1 in the concentration range of 0–30 mg L−1 under optimising conditions (i.e. pH of 6, adsorbent dosage (0.1 g vol−1 used) and contact time of 45 min). Furthermore, the use of CS offers several benefits like reducing the sample pre-treatment steps for costly, less time-consuming and reliable methods.
Research center :
MSLab
MolSys - Molecular Systems - ULiège
Disciplines :
Chemistry
Author, co-author :
Nguyen, Lam
Hoa, Thai Ma
Bashir, Mohammed
Eppe, Gauthier  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique inorganique
Avti, Pramod
Nguyen, Tan Tai
Language :
English
Title :
Removal of phosphate from wastewater using coal slag
Publication date :
2021
Journal title :
International Journal of Environmental Analytical Chemistry
ISSN :
0306-7319
eISSN :
1029-0397
Publisher :
Gordon and Breach Science Publishers, Switzerland
Volume :
101
Issue :
15
Pages :
2668-2678
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 February 2020

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