The LASAPE synthesizes methyl biodiesel by heterogeneous catalysis, using abundant raw materials in Brazil, such as crude soybean oils recovered (frying) and soya bean lecithins.
Rudolf Diesel developed and patented the engine powered by vegetable oil in the late nineteenth century. A major problem of the invention was to obtain seeds with a high production cost. The abundance of petroleum in the early twentieth century and the low cost of its oil refining made vegetable oils be replaced by petroleum refined oil, which was called "diesel oil".
However fossil fuels have a number of disadvantages, and thus creating the possibility to develope renewable energy sources.
- Major polluters of the environment;
- It is not a renewable source of energy;
- The growing consumption, the geographic concentration of deposits and the price volatility.
Advantages of biodiesel compared with fossil fuel:
- It is derived from renewable raw materials naturally occurring;
- It is biodegradable;
- Reduction in emissions of exhaust gases;
- It has a high flash point.
Quality Biodiesel: ANP Resolution No. 14 of 11/05/2012
- Contaminants from the raw material: phosphorus, sulfur, calcium, magnesium;
- Evaluation of the production process: free and total glycerin; carbon residue; ester content; flash point; methanol and ethanol;
- Inherent properties to Molecular structures: density, kinematic at 40 ° C, iodine number, cetane number and viscosity pour point.
- Inherent properties in the process of storage: Oxidation stability at 110 ° C, acid number, water and sediments.
Soybean oil as raw materials for methyl biodiesel synthesis
Characteristics of vegetable oils: use "in natura" as fuel
- Triglycerides liquid at room temperature;
- High viscosity and low volatility;
- Incomplete combustion;
- Plugging in the injection systems and clogging of oil filters;
- Formation of carbon deposits in the injection systems;
- The thermal decomposition of glycerol leads to the formation of acrolein. (Highly poisonous; causes irritation to membranes; Highly flammable liquid and vapor).