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ABSTRACT
Demand for fossil fuels is rapidly increasing owing to the ever-growing world population, and the greenhouse gas emissions that result have a damaging effect on the environment and on the wellbeing of people. The biofuels like bioethanol and biodiesel can be used to solve these problems with additional advantages and a cleaner environment. Several oils/fats such as vegetable oil, palm kernel oil etc. are used to produce biodiesel as a substitute for fossil fuel, but due to their unavailability in bulk quantity and poor quality, biodiesel production still is a challenge. To overcome this challenge, the concept of using oil blends can be employed, which helps to cut the reliance on any individual oil. The aim here is to produce an optimal oil blend using waste vegetable oil, neem seed oil and castor oil and this will be done by investigating the ratio at which the oil samples will be mixed. The current study’s finding reveals that the oil properties such as viscosity, acid value and density were reduced, the review also found that the fatty acid composition was modified. Furthermore, from the Optimization Section of DOE (Mixture design), under numerical, the optimal blend was determined at the ratio WVO: 54.825. Neem Oil: 20.224. Castor Oil: 24.951. The ANOVA tool, was also used for analysis and it gave R² values of 0.807 and 0.9894 for the Special Quartic model in Response 1 and 2 respectively. This signifies that the model effectively accounts for a significant portion of the variance in the response variable. This implies that the factors incorporated into the model hold substantial importance in predicting the response.
