One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 4897-84-1, Name is Methyl 4-bromobutanoate, formurla is C5H9BrO2. In a document, author is Machado, Y. L., introducing its new discovery. Computed Properties of C5H9BrO2.
Study of pressure and temperature influence on rapeseed biodiesel oxidation kinetics using PetroOXY method
In this manuscript, the kinetics of oxidation of canola oil-based biodiesel were investigated using the PetroOXY method (ASTM D7545) at different pressures (350, 700, and 715 kPa). The examined temperature range was 130-145 degrees C, with Ionol BF200 antioxidant concentration varying from 0 to 4000 ppm. An apparent activation enthalpy was calculated from the Arrhenius equation, yielding apparent enthalpies that were independent of oxygen pressure, of around 100 kJ/mol. Critical antioxidant concentrations for biodiesel destabilization were independent of temperature and increased as pressure was decreased. When compared to the Rancimat method for analysis of biodiesel oxidation, the PetroOXY method was considered a better alternative, requiring analysis times as low as 1/20 of the time spent using the Rancimat method.
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