Catalytic Pyrolysis of Palm Oil Decanter Cake using CaO and γ-Al2O3 in Vacuum Fixed Bed Reactor to Produce Bio-oil

Nugroho, Dewayanto and Ruzinah, Isha and Mohd Ridzuan, Nordin (2013) Catalytic Pyrolysis of Palm Oil Decanter Cake using CaO and γ-Al2O3 in Vacuum Fixed Bed Reactor to Produce Bio-oil. In: International Conference of Chemical Engineering and Industrial Biotechnology (ICCEIB 2013) , 28-29 August 2013 , Kuantan, Pahang. pp. 1-8..

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Abstract

The objective of this paper is to present the influence of catalyst towards the properties of bio-oil produced from Palm oil decanter cake (PDC), a semi-solid waste from palm oil milling plant. The PDC was first dried in oven at 105 °C for 24 hours to remove moisture and then ground to particle size of 0.85 – 2 mm. The dried PDC was then pyrolysed under dynamic vacuum at 500 °C, with temperature increased at 15 °C/min and maintained at the final temperature until no more product were formed. Two catalysts, the basic CaO and acidic γ-Al2O3 were used. The catalyst was mixed with decanter cake at various sample to catalyst weight ratio to investigate the effect of catalyst amount towards bio-oil production. In-terms of bio-oil yield and its HHV value, CaO performed better than γ-Al2O3. It is also found that 5 wt% of calcium oxide to sample produced the highest yield on bio-oil production. The oil was also characterized using 1H-NMR, FTIR, CHNS analyzer and GC-MS. The analyses show that bio-oil obtained through catalytic pyrolysis of PDC is slightly different from that produced via non-catalytic process. GC/MS data indicates that the addition of calcium oxide reduced the content of carboxylic acid in bio-oil significantly. In addition, the bio oil produced from PDC has near neutral acidity , with pH value of 6.38, 6 and 8 for non catalytic, γ-Al2O3 and CaO catalytic pyrolysis, respectively. It can be deduced from this study that CaO can be used to enhance the production of bio-oil from decanter cake.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: Catalytic pyrolysis, bio-oil, biomass, palm oil decanter cake, calcium oxide
Subjects: Q Science > Q Science (General)
T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Faculty of Industrial Sciences And Technology
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 03 Apr 2015 03:55
Last Modified: 21 May 2018 07:28
URI: http://umpir.ump.edu.my/id/eprint/8859
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