A COMPARISON OF THE EFFECTS OF PREPARATION VARIABLES ON ACTIVITY OF COMPOSITE ANTHILL-CHICKEN EGGSHELL CATALYST FOR BIODIESEL PRODUCTION

YUSUFF, ADEYINKA SIKIRU and GBADAMOSI, AFEEZ OLAYINKA and ADENIYI, OLALEKAN DAVID and OLUTOYE, MOSES ADEREMI (2018) A COMPARISON OF THE EFFECTS OF PREPARATION VARIABLES ON ACTIVITY OF COMPOSITE ANTHILL-CHICKEN EGGSHELL CATALYST FOR BIODIESEL PRODUCTION. Journal of Sustainability Science and Management, 13 (1). pp. 133-146. ISSN 1823-8556

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Abstract

This study is initiated to develop a composite catalyst from naturally occurring and waste materials. The catalyst preparation conditions which include activation temperature (600-1000 o C), activation time (2-4 h) and mixing proportion of anthill to eggshell (1:1.5-1:4) were investigated using central composite design (CCD) of response surface methodology (RSM) in design expert software. A model that correlates the three process parameters to the response (biodiesel yield) was established. The model reliability was evaluated using analysis of variance (ANOVA). The catalyst prepared under the optimum conditions was characterized using scanning electron microscopy (SEM), Fourier transform infrared radiation (FTIR) spectroscopy and X-ray Diffraction (XRD) technique. From the ANOVA, both the predicted and experimental biodiesel yields agreed well with each other with correlation coefficient (R 2) of 0.9806. The optimum composite anthill-eggshell catalyst preparation conditions were obtained as follow, activation temperature of 1000 o C, 4 h activation time and anthill/ eggshell mixing ratio of 1:4, which provided biodiesel yield of 70.92%

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