Process optimization of microwave irradiation‐aided transesterification of kariya seed oil by Taguchi orthogonal array: pawpaw trunk as a novel biocatalyst

Author(s):  
Olubukola A. Fadara ◽  
Olayomi A. Falowo ◽  
Tunde V. Ojumu ◽  
Eriola Betiku
2013 ◽  
Vol 787 ◽  
pp. 184-189 ◽  
Author(s):  
Khanh Vi Dang ◽  
Suzana Yusup ◽  
Yoshimitsu Uemura ◽  
Mohd Fadhil Nuruddin

The market demand of bio-fuel is 11,8 billion litters based on recent reported data. Hence, with the high demand of bio-fuel, the bio-fuel production utilizing rice husk can be one of the solutions. Beside, bio-oil can be produced by pyrolysis process utilizing rice husk as the feedstock. In this research, the optimization condition in producing bio-oil from rice husk by catalytic pyrolysis process was studied. The effect of catalyst type (H-β, H-Y, HZSM-5), catalyst loading (1wt%, 5wt%, 12wt%), temperature (400-500°C) and flow rate (60-100ml/min) were investigated through repetitive experiments using L9 Taguchi Orthogonal Array. The highest liquid yield of 38wt% was obtained at the optimum conditions with temperature of 500°C with nitrogen flow rate of 60ml/min and 12wt% of H-ZSM-5.


2014 ◽  
Vol 548-549 ◽  
pp. 43-47
Author(s):  
Nik Mizamzul Mehat ◽  
Noor Syuhada Zakarria ◽  
Shahrul Kamaruddin

The recycling of plastic products is gaining widespread attention because of its significance in the reduction of petroleum consumption and in the conservation of limited resources. It is also an effective method of handling plastic waste, as opposed to traditional landfill and incineration waste disposal methods. This study attempts to find a method by which to manage the increasing amount of PA66-GF waste generated by the gear industry through the recycling method. By adopting the L27 Taguchi orthogonal array, S/N ratio and ANOVA are conducted to evaluate the impact of recycled materials on various compositions. The different settings of injection parameters on the gears’ Young’s modulus and elongation at break are also identified and examined.


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