Heavy metal interactions with phosphatic clay: Kinetic and equilibrium studies

Anirudhan, T.S.; Bringle, C. D.; Radhakrishnan, P.G.

doi:10.1016/j.cej.2012.06.024

Cited by 52 publications

(22 citation statements)

References 40 publications

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“…Various approaches, including sequential extractions, kinetic extractions, adsorption/desorption studies, equilibrium partitioning models and in vitro digestive fluid extractions, have been used to understand the quality of sediments with respect to metals (Yu et al, 2000;Dahlin et al, 2002;Korfali and Davies, 2004;Zakir and Shikazono, 2008;Anirudhan et al, 2012;Chakraborty, 2012;Chakraborty et al, 2012aChakraborty et al, , 2012bHong et al, 2012). These techniques are useful for studying the fate, bioavailability, and toxicity of sediments.…”

Section: Introductionmentioning

confidence: 98%

Distribution, Sources, and Possible Adverse Biological Effects of Trace Metals in Surface Sediments of a Tropical Estuary

Kouassi

Yao

Trokourey

et al. 2015

Environmental Forensics

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Metal (Cu, Zn, Pb, Cd, Ni, Co, and Fe) contamination in sediments from a tropical estuary ( Ebri e Lagoon, Ivory Coast) was assessed using pollution indices, multivariate analyses and sediment quality guidelines (SQGs). The results demonstrate that increased input of the studied metals occurred over the past 6 years compared to that from 20 years ago, due to rapid population growth, along with the increase of industrial and agricultural activities in the vicinity of the estuary.Ebri e Lagoon was also found to be one of the most contaminated tropical coastal estuaries. Very high average total organic carbon (TOC) content was found (1.9-3.70%) with significant spatial variation as a result of the influence of anthropogenic activities. This study also found that TOC plays an important role in the distribution of Cu, Zn, Co, and Cd in the Ebri e Lagoon sediments. Moderate to high sediment contamination was observed for Cd and Cu, moderate contamination was observed for Zn and Pb, while low contamination was observed for Ni, Co, and Fe. Cluster analysis (CA) and principal component analysis (PCA) investigation revealed that Cu, Zn, Cd, and Co result mainly from anthropogenic sources while Pb, Ni, and Fe may be of natural origin. The pollution-loading index (PLI) indicated that all of the sites close to wastewater discharges were highly polluted. The sediments are likely to be an occasional threat to aquatic organisms due to Cu, Zn, Pb, Cd, and Ni contents, based on the SQGs approach.

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Section: Introductionmentioning

confidence: 98%

Distribution, Sources, and Possible Adverse Biological Effects of Trace Metals in Surface Sediments of a Tropical Estuary

Kouassi

Yao

Trokourey

et al. 2015

Environmental Forensics

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show abstract

“…The utility of the adsorbent has been tested in the laboratory to remove Hg(II) from simulated chlor-alkali industry wastewater having the composition Table 4 [37]. Increase in adsorption with adsorbent dose was observed, which can be attributed to the availability of more adsorption sites.…”

Section: Test With Chlor-alkali Industry Wastewatermentioning

confidence: 94%

Effective removal of mercury(II) ions from chlor-alkali industrial wastewater using 2-mercaptobenzamide modified itaconic acid-grafted-magnetite nanocellulose composite

Anirudhan

Shainy

2015

Journal of Colloid and Interface Science

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111

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“…Although the capacity decreases with repetition, it remains within 80% after six cycles. This means P-ZMt is a long-life-cycle adsorbent for Cr 3+ removal, compared to other adsorbents [9,21].…”

Section: P-zmt Regenerationmentioning

confidence: 98%

“…Phosphate-immobilized zirconium pillared clay was proved to remove Hg(II), Cd(II) and Co(II) effectively [9]. Hence, Zr-Mt is feasible to remove metal cations.…”

Section: Introductionmentioning

confidence: 98%

Fabrication of zirconium-pillared montmorillonite porous ceramic as adsorbents for Cr 3+ removal and recycling

Hei

et al. 2016

Ceramics International

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Heavy metal interactions with phosphatic clay: Kinetic and equilibrium studies

Cited by 52 publications

References 40 publications

Distribution, Sources, and Possible Adverse Biological Effects of Trace Metals in Surface Sediments of a Tropical Estuary

Distribution, Sources, and Possible Adverse Biological Effects of Trace Metals in Surface Sediments of a Tropical Estuary

Effective removal of mercury(II) ions from chlor-alkali industrial wastewater using 2-mercaptobenzamide modified itaconic acid-grafted-magnetite nanocellulose composite

Fabrication of zirconium-pillared montmorillonite porous ceramic as adsorbents for Cr 3+ removal and recycling

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