Biofuel production from rubber by pyrolysis method

Abstract

The production of biofuel from rubber by pyrolysis method and study the properties of bio-oil test by engine The experiment includes the starts from study of the basic physical of lump rubber study the bio-oils properties and study the engine test. The investigated factor was pyrolysis temperature (include 400, 500 and 600°C). The characteristic of lump rubber studied include, moisture content, heating value, decomposition temperature. The moisture content of the lump rubber is 7.64%wb, the heat value is 40682 kJ/kg, and the thermal degradation of the rubber began rapidly at 300°C The flash point, viscosity, specific gravity, cetane index of bio-oil were determined. The result shows that the specific gravity of biodiesel was 0.85. The effective pyrolysis temperature was 500°C due to the got the highest percent of bio-oil. In the preliminary engine testing of biodiesel, it was found that gasoline can run both low rpm (at 3800 rpm) and high rpm at 5,600 rpm. For, low cycle got the better than high rpm. For biodiesel, run low rpm (1,200 rpm) and high rpm (2,000 rpm). Biodiesel run at low rpm can get the better performance than that of high rpm. The experiment of biodiesel blended with diesel oil and biodiesel from rubber found that the proportion of blended biodiesel of less than 40%, the engine can run smoothly.