Chromium (VI) and lead (II) adsorption using <i>Mangifera kemanga</i> leaves-Reference-Cited by-同舟云学术

Chromium (VI) and lead (II) adsorption using Mangifera kemanga leaves

Published:2023-10-28 Issue:11 Volume:18 Page:2785-2796
ISSN:1751-231X
Container-title:Water Practice & Technology
language:en
Short-container-title:

Author:

Arrisujaya Dian¹^ORCID,Utami Niti Sae¹,Mulyawati Tia¹,Rahmalisa Dea¹,Wati Siska¹,Hidayat Hidayat²

Affiliation:

1. a Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Nusa Bangsa, Bogor 16166, Indonesia

2. b Research Unit for Clean Technology, National Research and Innovation Agency, Bandung 40135, Indonesia

Abstract

Abstract This work reports the use of Mangifera kemanga leaves (MKL) treated with ethanol and nitric acid as an adsorbent to remove Cr(VI) and Pb(II) ions at different pHs, adsorbent dosages, times, initial metal ion concentrations, and temperatures. The MKL's maximum adsorption capacity was 213 mg/g for Cr(VI) at pH 2 and 89 mg/g for Pb(II) at pH 6. Batch experiments showed that MKL follows the Langmuir isotherm model in absorbing Cr(VI) and Pb(II). The Cr(VI) and Pb(II) adsorption kinetics are best suited by the pseudo-second-order kinetics model. Thermodynamic data studies indicated that surface complexation coexisted with ion exchange as the preliminary removal means. The results implied that MKL could potentially remove Cr(VI) and Pb(II).

Funder

Research and Community Service Institution (LP2M), Universitas Nusa Bangsa, Indonesia

Publisher

IWA Publishing

Subject

Water Science and Technology

Link

https://iwaponline.com/wpt/article-pdf/18/11/2785/1331522/wpt0182785.pdf

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