A study on the removal of chromium(VI) from waste solutions by adsorption on to sawdust in stirred vessels
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In this paper, the ability of sawdust to adsorb chromium(VI) from waste solutions has been studied in a batch reactor under forced convection conditions, where the rotational speed of the sawdust was investigated.Abstract:
The ability of sawdust to adsorb chromium(VI) from waste solutions has been studied in a batch reactor under forced convection conditions. Variables investigated were the rotational speed of the im...read more
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A review of potentially low-cost sorbents for heavy metals
TL;DR: The use of low-cost sorbents has been investigated as a replacement for current costly methods of removing heavy metals from solution as mentioned in this paper, where natural materials or waste products from certain industries with a high capacity for heavy metals can be obtained, employed and disposed of with little cost.
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Heavy metal adsorption onto agro-based waste materials: A review
TL;DR: Biosorption is becoming a potential alternative to the existing technologies for the removal and/or recovery of toxic metals from wastewater and its effectiveness in reducing the concentration of heavy metal ions to very low levels is effective.
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Low-Cost Adsorbents: Growing Approach to Wastewater Treatment—a Review
TL;DR: In this paper, an effort has been made to give a brief idea of an approach to wastewater treatment, particularly discussing and highlighting in brief the low-cost alternative adsorbents with a view to utilizing these waste/low-cost materials.
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The Quest for Active Carbon Adsorbent Substitutes: Inexpensive Adsorbents for Toxic Metal Ions Removal from Wastewater
TL;DR: In this article, the quest to find an economically viable substitute to active carbon adsorbent to remove toxic metal ions was described, and a brief discussion of design of batch and column adsorption experiments, development of inexpensive adsorbents, and experimental conditions of metal ions removal by batch or column procedures is included.
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Agricultural products and by-products as a low cost adsorbent for heavy metal removal from water and wastewater: a review
TL;DR: In this paper, an extensive list of literature has been compiled to provide a summary of available information on a wide range of low-cost agricultural product and by-product sorbent and their modification for removing heavy metals from water and wastewater.
References
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Batch metal removal by peat : kinetics and thermodynamics
TL;DR: In this article, the kinetics and thermodynamics of batch metal removal reactions by 50 g/l (dry wt) eutrophic or oligotrophic peat particles using Cu 2+, Cd 2÷, Zn 2 ÷ and Ni 2 ǫ concentrations ranging from 0.01 to 100 mM were presented.
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Use of straw for removal of heavy metals from waste water
TL;DR: In this article, the efficiency of barley straw (Hordeum vulgare L) in removing heavy metals from solutions was investigated in capacity and in column experiments, and it was found that 1 g of straw was able to adsorb amounts of Zn, Cu, Pb, Ni, and Cd ranging from 4.3 to 15.2 mg.