Open Access
Agricultural waste material as potential adsorbent for sequestering heavy metal ions from aqueous solutions
D Sud,G Mahajan,M P Kaur +2 more
- 01 Jan 2008
- Vol. 99, Iss: 14, pp 6017-6027
1.2K
TL;DR: Biosorption is emerging as a potential alternative to the existing conventional technologies for the removal and/or recovery of metal ions from aqueous solutions for heavy metal remediation.
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Abstract: Heavy metal remediation of aqueous streams is of special concern due to recalcitrant and persistency of heavy metals in environment. Conventional treatment technologies for the removal of these toxic heavy metals are not economical and further generate huge quantity of toxic chemical sludge. Biosorption is emerging as a potential alternative to the existing conventional technologies for the removal and/or recovery of metal ions from aqueous solutions. The major advantages of biosorption over conventional treatment methods include: low cost, high efficiency, minimization of chemical or biological sludge, regeneration of biosorbents and possibility of metal recovery. Cellulosic agricultural waste materials are an abundant source for significant metal biosorption. The functional groups present in agricultural waste biomass viz. acetamido, alcoholic, carbonyl, phenolic, amido, amino, sulphydryl groups etc. have affinity for heavy metal ions to form metal complexes or chelates. The mechanism of biosorption process includes chemisorption, complexation, adsorption on surface, diffusion through pores and ion exchange etc. The purpose of this review article is to provide the scattered available information on various aspects of utilization of the agricultural waste materials for heavy metal removal. Agricultural waste material being highly efficient, low cost and renewable source of biomass can be exploited for heavy metal remediation. Further these biosorbents can be modified for better efficiency and multiple reuses to enhance their applicability at industrial scale.
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Citations
Microcrystalline cellulose (MCC) based materials as emerging adsorbents for the removal of dyes and heavy metals - A review.
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160
Removal of Heavy Metals from Industrial Waste Water by Biomass-Based Materials: A Review
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TL;DR: In this paper, the authors focused on the sorbents based on biomass and their efficiency in removal of heavy metals from waste water, such as lead, mercury and chromium.
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References
•Book
Biosorption of Heavy Metals
Bohumil Volesky,Z. R. Holan +1 more
- 15 Aug 1990
TL;DR: The state of the art in the field of biosorption is reviewed, with many references to recent reviews and key individual contributions, and the composition of marine algae polysaccharide structures, which seem instrumental in metal uptake and binding are discussed.
4K
Arsenic removal from water/wastewater using adsorbents—A critical review
Dinesh Mohan,Charles U. Pittman +1 more
TL;DR: Strong acids and bases seem to be the best desorbing agents to produce arsenic concentrates, and some commercial adsorbents which include resins, gels, silica, treated silica tested for arsenic removal come out to be superior.
3.5K
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.
3.2K
Microbial and plant derived biomass for removal of heavy metals from wastewater.
TL;DR: The purpose of this paper is to review the available information on various attributes of utilization of microbial and plant derived biomass and explores the possibility of exploiting them for heavy metal remediation.
1.6K
Single- and multi-component adsorption of cadmium and zinc using activated carbon derived from bagasse--an agricultural waste.
Dinesh Mohan,Kunwar P. Singh +1 more
TL;DR: Activated carbon derived from bagasse, an agricultural waste material, has been investigated as a replacement for the current expensive methods of removing heavy metals from wastewater and it was concluded that the adsorption occurs through a film diffusion mechanism at low as well as at higher concentrations.
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