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European Journal of Environmental Ecology

Volume 10, Issue 1, 2023
Mcmed International
European Journal of Environmental Ecology
Issn
XXX-XXXX (Print), 2393 - 9672 (Online)
Frequency
bi-annual
Email
editorejee@mcmed.us
Journal Home page
http://mcmed.us/about/ejee
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Abstract
Title
REMOVAL OF HEXAVALENT CHROMIUM FROM SYNTHETIC WASTEWATER BY USING BIOCARBON
Author
Malairajan Singanan* and Sathianesan Starlin Shyla
Email
swethasinganan1966@gmail.com
keyword
Lantana camara, biocarbon, hexavalent chromium, tannery wastewaters.
Abstract
Presence of toxic heavy metals in industrial effluents becomes a major human and environmental health problem. Particularly, hexavalent chromium is highly toxic in nature and is a major pollutant in the tannery wastewaters. For the removal of such heavy metals, number of cheap adsorbents has been developed from agricultural waste materials by different processes. In present investigation, “Lantana camara plant leaves,” which is a medicinal plant material, was selected for the production of biocarbon as adsorbent for the removal of heavy metals in aqueous solutions. This adsorbent was used for the removal of chromium (VI) in batch mode in initial concentration and temperature of 100 mg/L and 28 ± 2°C, respectively. The influence of contact time, initial metal ion concentration, biocarbon dose and pH was studied. To know the properties of adsorbent different analysis such as FT IR, EDAX and SEM were studied. Evaluation of FTIR spectroscopy revealed the involvement of –OH, C=O, C–O groups on the biocarbon surfaces in chromium binding. The optimum biocarbon dose in this experimental study was 2.5g/100mL and the pH solution was 4.8. The analytical results suggest that, the adsorption capacity of the biocarbon as adsorbent was 95.80% for 100 mg/L solution at the contact time of 180 min. This study indicated that, the biocarbon generated from Lantana camara plant leaves can be used as an effective and environmentally friendly biosorbent for the treatment of Cr (VI) ions in aqueous solutions.
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