Recovery, Regeneration , And Reuse Of Spent Bleaching Clay From Palm Oil Refining Waste Material

Mohd Haizal , Mohd Husin and Mohd Ridzuan, Nordin and Imran Syakir, Mohamad and Liew, Kong Yong (2006) Recovery, Regeneration , And Reuse Of Spent Bleaching Clay From Palm Oil Refining Waste Material. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Spent bleaching clay (SBC) is an industrial waste, mainly generated from the edible oil processing has been thermally regenerated under normal atmosphere by various temperature calcinations (200, 400, 600 and 800°C) for overnight. In thermal regeneration of SBC sample, oil residue removal show that increase with the increasing of temperature with highest of percent oil residue removal 39 % at 800 °C temperature. In characterization of regenerated SBC, the surface area and total pore volume increase with increasing calcinations temperature and it is show that all samples are mesoporous solid. In term of XRD diffraction, most of them a similar crystallize structures, for the regenerated SBC sample their intensity of crystalline increase with increasing of temperature may cause of oil residue removal. For views of reuse regenerated SBC in LPG storage as a preliminary study by gravimetric technique have resulting of capability of LPG adsorption show that bleaching clay and regenerated SBC capable to adsorbed LPG gas. Meanwhile, bleaching clay capable to adsorb LPG gas for 5% adsorption by mass and most of regenerated SBC sample only range 3% adsorption by mass.

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