Journal
CHEMICAL ENGINEERING RESEARCH & DESIGN
Volume 181, Issue -, Pages 423-457Publisher
ELSEVIER
DOI: 10.1016/j.cherd.2022.04.002
Keywords
Adsorption; Agro-based materials; Heavy Metals; Pretreatment; Water Pollution
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This article investigates the adsorption removal of heavy metals in aquatic systems, with a focus on the effectiveness of using agro-based materials as adsorbents. The study finds that adsorption strategy is the preferred choice, and pretreatment can enhance the adsorption capacity and efficiency.
Water is an extraordinary fundamental hotspot for the esse of life on earth. Heavy metal is a collection of metalloids and metals with atomic density greater than the 4000 kg/m(3). These metals are poisonous in nature and give rise to critical health issues in creatures and wellbeing, even at exceptionally low concentrations. These metals go into the aquatic system by different activities. Different treatment methodologies, their pretreatment strategies, regeneration of adsorbed contaminants exhaustively examined in this survey. Of all the available methodologies adsorption strategy is a preferred choice over different procedures as it can dispense these metals also at low fixation. Pretreatment is fundamentally performed for expanding the sorption limit and efficiency which can be performed utilizing different techniques. The commonly employed sorption models have been reviewed in this survey. The essential goals of this survey is to incorporate an outline of adsorption for the ejection of poisonous contaminations in aquatic systems by utilising different agro-based materials as adsorbents and its correlation in the expulsion of heavy metals. The suggestions for additional extent of exploration which should be possible have been talked about exhaustively. (c) 2022 Institution of Chemical Engineers. Published by Elsevier Ltd. All rights reserved.
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