Kinetic Studies of Heavy Metal Removal from Industrial Wastewater by Using Natural Zeolite

  • Ali Mohammed Salih Department of Environmental Science, College of Natural Sciences, University of Sulaimani, Sulaymaniyah, Iraq http://orcid.org/0000-0003-0968-3250
  • Craig Williams Department of Chemistry and Forensic Science, School of Biology, Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton, UK http://orcid.org/0000-0002-3834-7398
  • Polla Khanaqa Department of Geology, Kurdistan Institution for Strategic Studies and Scientific Research, Sulaymaniyah, Iraq http://orcid.org/0000-0003-1045-8720
Keywords: Kinetic studies, Heavy metals, Wastewater, Natural zeolite, Adsorption.

Abstract

The present work involves the study of the removal of Cu2+, Fe3+, Pb2+ and Zn2+ from synthetic metal solutions using natural zeolite. Laboratory experiments were used to investigate the efficiency of adsorbents in the uptake of heavy metals from industrial wastewater. The kinetic study was used to identify the effect of parameters that affect the rate of adsorption and evaluated their impact on the efficiency of the zeolite in the removal of heavy metals from industrial wastewater. Natural zeolite (clinoptilolite) as adsorbent contacted with multi-component synthetic solutions containing Cu2+, Fe3+, Pb2+ and Zn2+ ions without any pre-modifications and every hour 15 ml of the samples were filtered and taken for metal ion concentration analysis using the ICP-OES. The pH values were monitored and adjusted regularly. The results showed that the capacity of the adsorbents for the removal of heavy metals increased with a greater mass of absorbent, increased initial solution pH, increased agitation speed and higher solution concentration.

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Author Biographies

Ali Mohammed Salih, Department of Environmental Science, College of Natural Sciences, University of Sulaimani, Sulaymaniyah, Iraq

He is Head of Geology Department at Kurdistan Institution for Strategic Studies and Scientific Research (K.I.S.S.R.). He teaches environmental sciences and EHS courses and is working and leading the team in environmental health and safety department and research center. He has PhD and MSc at university of Wolverhampton in UK. His researches focus on the application of technological solutions to environmental problems. 

Craig Williams, Department of Chemistry and Forensic Science, School of Biology, Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton, UK

He has over 25 years of experience within the zeolite community. After his PhD studies, Craig worked as a research fellow at Edinburgh and Liverpool Universities. In 1990 he joined the staff at Wolverhampton and in 1993 established the meso and microporous research group to study the problems involved in zeolite synthesis and isomorphous substitution. This group now has 27 successfully completed PhD studies. He is an internationally leading figure in the synthesis of metal substituted zeolite frameworks. To date five patents and over 80 publications on various aspects of zeolite science in refereed journals have been produced. In 1999 he was elected a Fellow of the Royal Society of Chemistry (RSC) and has served as Secretary and Chair of the Analytical Division of the Midlands Region of the RSC and Secretary of the Industrial Inorganic Chemicals Sector of the RSC. He is also immediate past Secretary of the British Zeolite Association (BZA).

Polla Khanaqa, Department of Geology, Kurdistan Institution for Strategic Studies and Scientific Research, Sulaymaniyah, Iraq

He is Founder and President of Kurdistan Institution for Strategic Studies and Scientific Research (K.I.S.S.R.). He is Professor and has management experiences and competences in the field of higher education and scientific research. He pursued his education in Germany and obtained PhD in the field of Geology at Georg-August University of Göttingen in in 1997. Five years after completing his PhD, he obtained his post doctorate from the same university.

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Published
2021-06-30
How to Cite
Salih, A., Williams, C., & Khanaqa, P. (2021, June 30). Kinetic Studies of Heavy Metal Removal from Industrial Wastewater by Using Natural Zeolite. UKH Journal of Science and Engineering, 5(1), 18-25. https://doi.org/https://doi.org/10.25079/ukhjse.v5n1y2021.pp18-25
Section
Research Articles
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