Comprehensive Review on Properties and Generation of Biodiesel

Abstract

Recently, biodiesel has become more attractive owing to its attractive properties such as positive environmental effects, non-toxic, biodegradable, derived from renewable resources. Hence, this paper aims to provide an overview on biodiesel production and generations of biodiesel produced from distinct feedstocks. Thereafter the comparison of fuel properties, oil yield for different edible and non-edible oil and feedstock cost in distinct countries is given. Finally, the properties of biodiesel developed from distinct feedstock are summarized. The outcome demonstrates that the various sources offered varying yields owing to the process factors. However, the yield of biodiesel varies w.r.t. feedstocks owing to the physical and chemical characteristics of the sources and the process factors. Among waste cooking oil, commercial diesel fuel, and biodiesel from waste cooking oil, waste cooking oil offered higher pour point (284K), density (0.924 kg/L), water content (0.42%), kinematic viscosity (36.4 mm2/s) than commercial diesel fuel and biodiesel from waste cooking oil.