Process development for the removal of lead and chromium from aqueous solutions using red mud--an aluminium industry waste.

By Vinod Kumar Gupta, M. Gupta, Saurabh Sharma. Water Research, 2001

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A state-of-the-art review on wastewater treatment techniques: the effectiveness of adsorption method (2021, neutral): “…et al. 2019) 2 Wheat straw Cu 7.05 99.8% (Wu et al. 2009) Cd 14.56 Pb 599.1 (He et al. 2014) (Chakraborty et al. 2020) 3 Red mud Cr 35.66 – (Gupta et al. 2001) Pb 64.79 4 Coal fly ash Cd 18.98 100% (Chakraborty et al. 2020) Zn 6.5–13.3 – 5 Coffee residue Pb 9.7 96% (Wu et al. 2015) Zn…”
Removal of Heavy Metals Using Nanostructured Graphite Oxide, Silica Nanoparticles and Silica/ Graphite Oxide Composite (2014, background): “in the environment is of major concern due to their toxicity to many life forms [20].”
Fabrication of hyperbranched polyamine functionalized graphene for high-efficiency removal of Pb(II) and methylene blue (2016, background): “Pb(II) occurs, resulting in the formation of Pb(OH)2[38].”
Effect of Mechanical Properties on Rice Husk Ash Reinforced Aluminum Alloy (AlSi10Mg) Matrix Composites (2013, background): “The recent research studies reported that RHA in turn contains around 85 % - 90 % amorphous silica[7].”
Adsorption of Pb(II) by iron oxide nanoparticles immobilized Phanerochaete chrysosporium: Equilibrium, kinetic, thermodynamic and mechanisms analysis (2012, background): “Increasingly stringent necessity on the wastewater treatment has created a growing interest in the progress of conventional treatment processes [10,11].”