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Characterization and Application of Aluminum Dross as Catalyst in Pyrolysis of Waste Cooking Oil

1Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia

2Catalysis Science and Technology Research Center (Putra Cat), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia

Received: 20 Jun 2016; Revised: 28 Oct 2016; Accepted: 12 Nov 2016; Available online: 13 Feb 2017; Published: 30 Apr 2017.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2017 by Authors, Published by BCREC Group under

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Aluminium dross, a waste material produced by dissolution of aluminum scrap, was characterized physically and chemically by various analysis techniques for a potential to be used as catalyst. Using catalyst from waste materials reduced the cost for synthesizing of new catalyst. An efficient catalyst derived from industrial solid waste was modified by acid washing for using in a pyrolysis of waste cooking oil. The modification of aluminum dross resulted in increased surface area (from 0.96 to 68.24 m2/g), acidity (from 315 to 748 µmol/g) and thermal stability. Pyrolysis waste cooking oil was used to test the performance of aluminum dross as catalyst before and after modification. The product analysis showed a better result than the unmodified material based on increased yield of bio-oil and improved selectivity. 

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Keywords: Al dross; Thermal activation; Chemical activation; Pyrolysis waste cooking oil

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