Chapter I, the Biodiesel market study is done, in order to estimate the supply and demand for the product, as well as justify the possibility of installing a chemical plant for this purpose. This study was based on statistical data related to the consumption of Biodiesel, taking basically into account the Regulation of the Law for the Promotion of Biofuels Market, as being a relatively new product on the market has little data historical reference to consumption. Chapter II, the design selection process is discussed, and aims to choose a type of manufacturing process among existing, which is the most convenient and adaptable to our reality. For this purpose different processes are analyzed highlighting its main features for each of these. These processes will be subjected to an analysis of the technical and economic type to select the most appropriate Chapter III, aims to determine the c...