Influence of physical and chemical parameters on the treatment of heavy metals in polluted stormwater using zeolite : A review
Ziyath, Abdul Mohamed, Mahbub, Parvez, Goonetilleke, Ashantha, Adebajo, Moses O., Kokot, Serge, & Oloyede, Adekunle (2011) Influence of physical and chemical parameters on the treatment of heavy metals in polluted stormwater using zeolite : A review. Journal of Water Resource and Protection, 3, pp. 758-767.
Zeolite-based technology can provide a cost effective solution for stormwater treatment for the removal of toxic heavy metals under increasing demand of safe water from alternative sources. This paper reviews the currently available knowledge relating to the effect of properties of zeolites such as pore size, surface area and Si:Al ratio and the physico-chemical conditions of the system such as pH, temperature, initial metal concentration and zeolite concentration on heavy metal removal performance. The primary aims are, to consolidate available knowledge and identify knowledge gaps.
It was established that an in-depth understanding of operational issues such as, diffusion of metal ions into the zeolite pore structure, pore clogging, zeolite surface coverage by particulates in stormwater as well as the effect of pH on stormwater quality in the presence of zeolites is essential for developing a zeolite-based technology for the treatment of polluted stormwater. The optimum zeolite concentration to treat typical volumes of stormwater and initial heavy metal concentrations in stormwater should also be considered as operational issues in this regard. Additionally, leaching of aluminium and sodium ions from the zeolite structure to solution were identified as key issues requiring further research in the effort to develop cost effective solutions for the removal of heavy metals from stormwater.
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|Item Type:||Journal Article|
|Keywords:||Zeolite, heavy metals, stormwater, leaching, stormwater reuse|
|ISSN:||1945-3108 (online) 1945-3094 (print)|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Design (090701)|
|Divisions:||Past > Schools > Chemistry|
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Engineering Systems
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2011 Scientific Research|
|Deposited On:||02 Nov 2011 08:53|
|Last Modified:||03 Nov 2011 09:28|
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