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Cu and Zn removal by adsorption using ash from palm oil factory

Al-Madhoun, W.A. and Isa, M.H. and Ramli, N.A. and Adlan, M.N. and Hameed, B.H. and Farooqi, I.H. (2005) Cu and Zn removal by adsorption using ash from palm oil factory. In: International Conference – Water : Values & Rights, Palestine Academy for Science and Technology and Palestinian Water Authority, Palestine, May, 2005, Palestine.

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Abstract

The presence of heavy metals, such as Cu and Zn, in wastewater can be hazardous to the environment. From the view point of environmental protection, it is important that their concentrations be limited to permissible levels. Technologies for heavy metals removal include ion exchange, chemical precipitation, reverse osmosis, etc. which are often ineffective or expensive. Adsorption is commonly used for the removal of heavy metals from aqueous solutions. The process would be economical if the adsorbent is easily and cheaply available in abundance and that it requires minimal or no pre-treatment; for expensive pre-treatment procedures would add to the overall treatment cost. The present study focuses on Cu and Zn removal by adsorption using ash from a palm oil factory. The effect of agitation time, pH and adsorbent mass on the removal of Cu and Zn was studied and isotherms were generated to describe the removal of the metals. The results show that the ash was an effective adsorbent for the removal of Cu and Zn.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:adsorption, copper (Cu), zinc (Zn), oil palm ash
Subjects:T Technology > TD Environmental technology. Sanitary engineering
Departments / MOR / COE:Departments > Civil Engineering
ID Code:1898
Deposited By: Assoc Prof Dr Mohamed Hasnain Isa
Deposited On:29 Apr 2010 03:46
Last Modified:19 Jan 2017 08:27

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