Cited by 225Adsorption and biosorption for pollutant removalChemical Synthesis and CharacterizationExtraction and Separation Processes

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Use of clinoptilolite for the removal of nickel ions from water: Kinetics and thermodynamics

Argun, Mehmet Emin·2008·Journal of Hazardous Materials

Abstract

This paper describes the removal of Ni(II) ions from aqueous solutions using clinoptilolite. The effect of clinoptilolite level, contact time, and pH were determined. Different isotherms were also obtained using concentrations of Ni(II) ions ranging from 0.1 to 100 mg L(-1). The ion-exchange process follows second-order reaction kinetics and follows the Langmuir isotherm. The paper discusses thermodynamic parameters, including changes in Gibbs free energy, entropy, and enthalpy, for the ion-exchange of Ni(II) on clinoptilolite, and revealed that the ion-exchange process was spontaneous and exothermic under natural conditions. The maximum removal efficiency obtained was 93.6% at pH 7 and with a 45 min contact time (for 25 mg L(-1) initial concentration and a 15 g L(-1) solid-to-liquid ratio).

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Registry

Crossref · 10.1016/j.jhazmat.2007.05.008

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37 of 37 references verified0 citation errors · 0 not checkable

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  • Turkish clinoptilolite reached 93.6% adsorption of Ni(II) at pH 7 after 45 min for a 25 mg/L initial concentration and a 15 g/L solid-to-liquid ratio.

    “Argun (2008) employed a Turkish Clinoptilolite for the removal of Ni(II) ions, reaching 93.6% of adsorption at pH 7 after 45 min of contact time for 25 mg/L initial concentration and a 15 g/L solid-to-liquid ratio.”

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  1. Duong, 1998, vol. 2

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Metadata

Authors
Argun, M. E.
Affiliations
Selçuk University (TR)
Corresponding author
Argun, Mehmet Emin
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2008-02
Volume
150
Issue
3
Pages
587-595
ISSN
0304-3894 (ISSN-L)
OpenAlex
W2088107882
Cited by
224
References
37
Citations by year
2026: 6 · 2025: 10 · 2024: 12 · 2023: 17 · 2022: 12 · 2021: 7 · 2020: 11 · 2019: 14 · 2018: 15 · 2017: 6 · 2016: 19 · 2015: 15 · 2014: 12 · 2013: 17 · 2012: 16
FWCI
7.58
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
Funders
Selçuk Üniversitesi
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Chemical Synthesis and Characterization
  • Physical Sciences › Materials Science › Metals and Alloys › Extraction and Separation Processes
Keywords
clinoptilolite, nickel removal, heavy metal adsorption, ion exchange kinetics, second-order kinetics, Langmuir isotherm, adsorption thermodynamics, Gibbs free energy, pH effect, contact time, zeolite adsorbents
MeSH terms
Adsorption, Ion Exchange, Kinetics, Nickel, Thermodynamics, Waste Disposal, Fluid, Water Pollutants, Chemical, Zeolites, Water Purification

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