Removal of Cd(II) Ions from Simulated Wastewater by HCl Modified Cucumis sativus Peel: Equilibrium and Kinetic Study | Zendy

Ruchi Pandey | Zendy; Nasreen Ghazi Ansari | Zendy; Рам Прасад | Zendy; Ramesh Murthy | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Removal of Cd(II) Ions from Simulated Wastewater by HCl Modified Cucumis sativus Peel: Equilibrium and Kinetic Study

Author(s) -

Ruchi Pandey,

Nasreen Ghazi Ansari,

Рам Прасад,

Ramesh Murthy

Publication year - 2014

Publication title -

air soil and water research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.409

H-Index - 12

ISSN - 1178-6221

DOI - 10.4137/aswr.s16488

Subject(s) - adsorption , gibbs free energy , endothermic process , chemistry , enthalpy , langmuir adsorption model , aqueous solution , metal ions in aqueous solution , cucumis , monolayer , langmuir , ion , inorganic chemistry , nuclear chemistry , thermodynamics , chromatography , organic chemistry , ecology , biochemistry , physics , biology

This paper describes the adsorption of Cd(II) ions from aqueous solutions by modified Cucumis sativus peel (CSP) by HCl treatment. The optimum pH, adsorbent mass, contact time, and initial ion concentration were determined. The maximum removal efficiency was 84.85% for 20 mg/L Cd(II) ion at pH 5. The adsorption isotherms were obtained using concentrations of the metal ions ranging from 5 to 150 mg/L. The adsorption process follows Langmuir isotherm and pseudo-second-order reaction kinetics. CSPs exhibit monolayer adsorption capacity of 58.14 mg/g at 298 K. The paper also discusses the thermodynamic parameters of the adsorption (the Gibbs free energy, entropy, and enthalpy). Our results establish that the adsorption process was spontaneous and endothermic under normal conditions.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research