Characterization of retorted shale for use in heavy metal removal
Source abstract
Abstract
Abstract There has been a growing interest in the use of cost-effective materials to remove heavy metals from wastewater. In this study, retorted shale, a solid residue of the thermal transformation of oil shale, was characterized with the objective of preparing heavy metal adsorbents. The fine residue was characterized using different techniques including thermogravimetric analyses, BET, FTIR, XRD, SEM, and TEM. Batch adsorption studies in wastewater were performed. The SRTXRF technique was used to determine element concentration. Removal was approximately 50–70% for Cr, Fe, Co, Ni, Cu, and Zn and > 90% for Hg and Pb. Thus, retorted shale can be used as an efficient adsorbent for heavy metal removal from wastewater.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Adsorption and biosorption for pollutant removal · Geochemistry and Geologic Mapping · Heavy metals in environment
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (19)
Show source-provided references
1. Remoção de metais pesados de efluentes industriais por aluminossilicatos10.1590/S0100-40422002000700015 ↗
2. A review of potentially low-cost sorbents for heavy metals10.1016/S0043-1354(98)00475-8 ↗
3. The role of Salvinia rotundifolia in scavenging aquatic Pb(II) pollution: a case study10.1007/PL00008966 ↗
4. The role of Salvinia rotundifolia in scavenging aquatic Pb(II) pollution: a case study
5. Adsorption of heavy metal ions on soils and soils constituents10.1016/j.jcis.2004.04.005 ↗
6. Lead adsorption from aqueous solution onto siderite10.1016/j.seppur.2004.08.004 ↗
7. Preconcentration methods for the analysis of water by X-ray spectrometric techniques10.1016/S0003-2670(01)95486-8 ↗
8. Comparison of the composition of forest soil litter derived from three different sites at various decompositional stages using FTIR spectroscopy10.1016/S0016-7061(98)00008-1 ↗
9. Adsorption of hydrolysable metal ions at the oxide-water interface10.1016/0021-9797(72)90172-5 ↗
10. Remoção de metais pesados de efluentes aquosos pela zeólita natural escolecita — influência da temperatura e do pH na adsorção em sistemas monoelementares10.1590/S0100-40422004000500011 ↗
11. Adsorption of Co, Ni, Cu and Zn on hydrous manganese dioxide from complex electrolyte solutions resembling sea water in major ion content10.1016/S0021-9797(03)00464-8 ↗
12. Kinetic modeling of liquid-phase adsorption of phosphate on dolomite10.1016/j.jcis.2004.04.042 ↗
13. Remediation of wastewater containing heavy metals using raw and modified diatomite10.1016/j.cej.2003.11.029 ↗
14. Multi-elemental analysis of produced water by synchrotron radiation total reflection X-ray fluorescence10.1016/j.talanta.2007.08.028 ↗
15. Kinetics and thermodynamics of Cu(II) adsorption on oil shale wastes10.1016/j.fuproc.2007.07.003 ↗
16. Multi-element determination of dissolved heavy metal traces in sea water by total-reflection X-ray fluorescence spectrometry10.1016/S0003-2670(00)82596-9 ↗
17. Determination of trace elements in the river-water using total reflection X-ray fluorescence10.1016/0584-8547(93)80025-P ↗
18. The role of sawdust in the removal of unwanted materials from water10.1016/S0304-3894(02)00089-4 ↗
19. Van Der Marel · 1976