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Cited by 644Adsorption and biosorption for pollutant removalChromium effects and bioremediationEnvironmental remediation with nanomaterials

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Adsorption studies on the removal of hexavalent chromium from aqueous solution using a low cost fertilizer industry waste material

Gupta, Vinod K., Rastogi, Arshi, Nayak, Arunima·2010·Journal of Colloid and Interface Science
DOI 10.1016/j.jcis.2009.09.065
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Abstract

Low cost fertilizer industry waste material called carbon slurry, produced in generators of fuel oil-based industrial generators, was converted into an effective and efficient adsorbent for the removal of hexavalent chromium(VI) from aqueous solutions. The waste was chemically treated, activated, characterized, and used for the adsorption of chromium. The work involves batch experiments to investigate the effect of contact time, pH, temperature, concentration, and adsorbent dose on the extent of adsorption by carbon slurry. The maximum adsorption was found at 70min, 2.0 pH, 4.0g/L dose, and 303K temperature. Maximum adsorption capacity (15.24mg/g) of Cr(VI) on carbon slurry was observed at 100mg/L initial Cr(VI) concentration. Langmuir and Freundlich adsorption isotherm models were applied to analyze adsorption data, and both were found to be applicable to this adsorption system, in terms of relatively high regression values. Thermodynamic parameters showed that the adsorption of Cr(VI) onto carbon slurry was feasible, spontaneous, and exothermic under the studied conditions. Kinetics of adsorption was found to follow the pseudo-second-order rate equation. Column studies have been carried out to compare these with the batch capacities. The recovery of Cr(VI) and chemical regeneration of the spent column have also been tried. In all, the results indicated that the adsorbent used in this work proved to be effective material for the treatment of chromium-bearing aqueous solutions.

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  1. World Health Organization (WHO), Guidelines for Drinking-Water Quality, Recommendations, vol. 1, third ed., Geneva, 2004, p. 334.

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Metadata

Authors
Gupta, V. K., Rastogi, A., & Nayak, A.
Affiliations
  • King Fahd University of Petroleum and Minerals (SA)
  • Indian Institute of Technology Roorkee (IN)
Corresponding author
Gupta, Vinod K.
ORCID
Venue
Journal of Colloid and Interface Science
Publisher
Elsevier BV
Published
2010-02
Volume
342
Issue
1
Pages
135-141
ISSN
0021-9797 (ISSN-L)
DOI
10.1016/j.jcis.2009.09.065
OpenAlex
W2139984739
Cited by
644
References
39
Citations by year
2026: 13 · 2025: 18 · 2024: 28 · 2023: 36 · 2022: 34 · 2021: 21 · 2020: 40 · 2019: 39 · 2018: 36 · 2017: 36 · 2016: 38 · 2015: 48 · 2014: 54 · 2013: 54 · 2012: 109
FWCI
51.19
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Journal of Colloid and Interface Science (publishedVersion)
  • PubMed (publishedVersion)
  • Research Publication Repository of King Fahd University of Petroleum and Minerals (King Fahd University of Petroleum and Minerals) (acceptedVersion)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Chromium effects and bioremediation
  • Physical Sciences › Environmental Science › Environmental Engineering › Environmental remediation with nanomaterials
Keywords
hexavalent chromium removal, adsorption, fertilizer industry waste, low-cost adsorbent, adsorption isotherms, Langmuir isotherm, Freundlich isotherm, adsorption thermodynamics, pseudo-second-order kinetics, column adsorption, adsorbent regeneration, heavy metal wastewater treatment

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