Scholarly PublicationOmar, F.R.M. and Isa, M.H. and Kutty, S.R.M. and Malakahmad, A. and Adlan, M.N. (2008) Solidification-stabilization of waste activated sludge from petroleum refinery. In: International Conference on Environment 2008 (ICENV 2008), School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang, Malaysia, December, 2008, Penang, Malaysia.
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Abstract
The present study focuses on the solidification and stabilisation of waste activated sludge from petroleum refinery (Petrronas Penapisan Melaka Sdh. Bhd., Malaysia). Two cementitious materials, Pulverised Fly Ash (PFA) and Lime, were used along with ordinary Portland cement (OPC) to
investigate the feasibility of solidifying and stabilising the sludge. The research studied the strength development and heavy metal (zinc) leaching of the final product (concrete). Unconfined compressive strength was tested and leaching was determined using the Toxicity Characteristic Leaching Procedure (TCLP). Over 92% immobilisation of zinc was obtained in all cases. Higher concrete strength was
obtained with PFA than with Lime.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Solidification; Stabilization; Petroleum Refinery, Waste Activated Sludge; Concrete |
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering |
| Departments / MOR / COE: | Departments > Civil Engineering |
| Depositing User: | Assoc Prof Dr Mohamed Hasnain Isa |
| Date Deposited: | 26 Apr 2010 07:21 |
| Last Modified: | 20 Mar 2017 01:57 |
| URI: | http://scholars.utp.edu.my/id/eprint/1614 |
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