Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid

Imran Ali; Changsheng Peng; Iffat Naz

doi:10.1016/j.cjche.2018.03.018

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Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid

Materials and Product Engineering | Updated：2026-01-06

- Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid
- Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid
- 中国化学工程学报（英文版） 2019年27卷第4期页码：949-964
- Affiliations：
  
  1. College of Environmental Science and Engineering, Ocean University of China,Qingdao,China,266100
  2. The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, Ocean University of China,Qingdao,China,266100
  3. School of Environmental and Chemical Engineering, Zhaoqing University,Zhaoqing,China,526061
  4. Department of Biology, Qassim University, Buraidah 51452, Kingdom of Saudi Arabia(KSA)
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.03.018
  中图分类号：
- 纸质出版：2019
- Accepted：
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Imran Ali, Changsheng Peng, Iffat Naz. Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid[J]. 中国化学工程学报（英文版）, 2019,27(4):949-964.

Imran Ali, Changsheng Peng, Iffat Naz. Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 949-964.
Imran Ali, Changsheng Peng, Iffat Naz. Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid[J]. 中国化学工程学报（英文版）, 2019,27(4):949-964. DOI： 10.1016/j.cjche.2018.03.018.

Imran Ali, Changsheng Peng, Iffat Naz. Removal of lead and cadmium ions by single and binary systems using phytogenic magnetic nanoparticles functionalized by 3-marcaptopropanic acid[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 949-964. DOI： 10.1016/j.cjche.2018.03.018.

摘要

Abstract

The present research study is focused on green fabrication of superparamagnetic Phytogenic Magnetic Nanoparticles (PMNPs)

and then its surface functionalization with 3-Mercaptopropionic acid (3-MPA). The resulting material (i.e. 3-MPA@PMNPs) characterized by FTIR

powder XRD

SEM

TEM

EDX

VSM

BET and TGA techniques and then further employed for the investigation of the adsorptive removal of lead (Pb

) and cadmium (Cd

) ions from aqueous solutions in single and binary systems. The material showed fastest adsorptive rate (98.23%) for Pb

and (96.5%) Cd

within the contact time of 60 min at pH 6.5 in the single system. The experimental data were fitted well to Langmuir isotherm

indicated monolayer adsorption of both metal ions onto 3-MPA@PMNPs and an estimated comparable adsorptive capacity of 68.41 mg·g

-1

(Pb

) and 79.8 mg·g

-1

(Cd

) at pH 6.5. However

kinetic data agreed well with pseudo-second-order model

and indicated that the removal mainly supported chemisorption and/or ion-exchange mechanism. Thermodynamic parameters such as ΔGo°

ΔHo°

and ΔSo°

were -3259.20

119.35 and 20.73 for Pb

and -1491.10

45.441 and 7.87 for Cd

at temperature 298.15 K

confirmed that adsorption was endothermic

spontaneous and favorable. The material demonstrated higher selectivity of Pb

and its removal efficiency was (98.20 ±0.3)% in binary system experiments. The material persisted performance up-to seven (07) consecutive treatment cycles without losing their stability and offered comparable fastest magnetic separation (35 s) from aqueous solutions. Therefore

it is recommended that the prepared material can be employed to remove toxic heavy metal ions from water/wastewaters and this "green" method can easily be implemented at large scale in low economy countries.

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