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Effective removal of heavy metal: mercury concentration using natural adsorbents

Industrial effluent is not always safe to the environment because of the presence of huge amounts of substantial heavy metals like arsenic, cadmium, chromium, nickel, mercury, etc. If the wastewater is disposed of in the environment without any prior treatment, it will result in environmental pollut...

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Published in:Environment, development and sustainability development and sustainability, 2023-06, Vol.25 (6), p.5737-5752
Main Authors: Manoharan, Kalpana, Manimaran, G., Yerra, Sankalp Rao
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description Industrial effluent is not always safe to the environment because of the presence of huge amounts of substantial heavy metals like arsenic, cadmium, chromium, nickel, mercury, etc. If the wastewater is disposed of in the environment without any prior treatment, it will result in environmental pollution that would affect water bodies, soil strata, and all other natural resources. This research focuses on the removal process of identified toxic heavy metals, i.e., mercury from effluent, using natural adsorbents like Ground Gulmohar seeds and Waste Tea powder. The performance of these adsorbents was compared with the removal efficiency of conventionally used material, i.e. Powdered Activated Carbon. Experimental parameters such as pH, contact time, adsorbent dosage, and initial concentration were taken into consideration to calculate the removal efficiency, and the accuracy of the results was interpreted with adsorption isotherm models. The findings of this research demonstrate that the natural adsorbents Waste Tea powder & Ground Gulmohar seeds have high efficiency in the removal of mercury metal concentration from prepared aqueous solution.
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subjects Activated carbon
Adsorbents
Aqueous solutions
Arsenic
Cadmium
Chromium
Concentration
Dosage
Earth and Environmental Science
Ecology
Economic Geology
Economic Growth
Efficiency
Environment
Environmental Economics
Environmental Management
Heavy metals
Industrial effluents
Industrial wastewater
Mercury
Mercury (metal)
Metal concentrations
Metals
Natural resources
Nickel
Pollution
Seeds
Soil layers
Soil pollution
Soil water
Sustainable Development
Wastewater
title Effective removal of heavy metal: mercury concentration using natural adsorbents
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