Assessment of shelf life of Bulgarian industrial FAME by the use of modified ASTM D2274 as accelerated oxidation method

Fuel Processing Technology, Volume 130, February 2015, Pages 245–251.

Rosen K. Dinkov1, Dicho S. Stratiev1, Ivelina K. Shishkova1, Slavi K. Ivanov2, Tanya T. Tsaneva2,M. Mitkova2, M. Skumov2

 

  1. LUKOIL Neftohim Burgas JSC, Bulgaria and
  2. University Assen Zlatarov, Burgas, Bulgaria

Abstract

Kinetic data for hydroperoxide formation in a commercial biodiesel, produced from 50% sunflower oil and 50% rapeseed oil were obtained by using rapid, higher than standard temperature procedure with sufficient oxygen solubility in the samples. Three different mathematical methods for processing the data and shelf life determination of the studied biodiesel are compared. The applicable methodologies are hydroperoxide concentration abrupt increase graphical determination and Q rule. The calculation shows that shelf life of the studied stabilized Bulgarian biodiesel amounts between 1.17 and 1.27 years. It was also found that peroxide value for induction period at 15°C is 71.8 meq O2/kg biodiesel.

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Assessment of shelf life of Bulgarian industrial FAME by the use of modified ASTM D2274 as accelerated oxidation method

 

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