LAPSE:2019.0985
Published Article
LAPSE:2019.0985
Removal of Lead and Cadmium Ions from Aqueous Solution by Adsorption on a Low-Cost Phragmites Biomass
Abdulaziz N. Amro, Mohammad K. Abhary, Muhammad Mansoor Shaikh, Samah Ali
September 5, 2019
In recent years, the interest in waste water treatment increased to preserve the environment. The objective of this study is the removal of lead and cadmium ions from aqueous solution by treated Phragmites biomass (TPB). TPB was characterized by using Fourier transform infrared spectroscopy (FTIR) and energy dispersive X-ray analysis (EDS) which indicates the presence of functional groups that may be responsible of metal adsorption such as hydroxyl, carbonyl, sulfonate and carboxylate. Characterization by scanning electron microscopy (SEM) and surface area analysis using the Brunauer−Emmett−Teller method (BET) illustrated that TPB is nonporous with a small surface area. The influences of various experimental factors were investigated; the proposed method recommended the extraction of Pb+2 and Cd+2 metal ions by TPB at pH 5.0. A contact time of 60 and 45 min was required for the adsorption 50 mL (50 ppm) Pb+2 and Cd+2 respectively to reach equilibrium when 0.10 g TPB was used. The optimum TPB dosage was 0.20 g for adsorption both metal ions when adsorbate solution was 50 mL (50 ppm). Particle sizes of 0.125−0.212 mm showed the best metal ion removal of both metal ions. Thermodynamic study illustrated that both metal ions correlate more with Langmuir isotherm. Furthermore, chemisorption of Pb+2 and Cd+2 on TPB was more likely according to kinetic study data.
Keywords
cadmium, Freundlich isotherm, kinetic study, Langmuir isotherm, lead, treated phragmites biomass
Subject
Suggested Citation
Amro AN, Abhary MK, Shaikh MM, Ali S. Removal of Lead and Cadmium Ions from Aqueous Solution by Adsorption on a Low-Cost Phragmites Biomass. (2019). LAPSE:2019.0985
Author Affiliations
Amro AN: Chemistry Department, Faculty of Science, Taibah University, Al-Madinah Al Munawwarah 30002, Saudi Arabia [ORCID]
Abhary MK: Biology Department, Faculty of Science, Taibah University, Al-Madinah Al Munawwarah 30002, Saudi Arabia
Shaikh MM: Chemistry Department, Faculty of Science, Taibah University, Al-Madinah Al Munawwarah 30002, Saudi Arabia
Ali S: Chemistry Department, Faculty of Science, Taibah University, Al-Madinah Al Munawwarah 30002, Saudi Arabia; The National Organization for Drug Control and Research, Al-Agouzah, Giza 12654, Egypt [ORCID]
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Journal Name
Processes
Volume
7
Issue
7
Article Number
E406
Year
2019
Publication Date
2019-07-01
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr7070406, Publication Type: Journal Article
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LAPSE:2019.0985
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doi:10.3390/pr7070406
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Sep 5, 2019
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CC BY 4.0
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Calvin Tsay
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