Journal
FUEL PROCESSING TECHNOLOGY
Volume 99, Issue -, Pages 56-63Publisher
ELSEVIER
DOI: 10.1016/j.fuproc.2012.01.032
Keywords
Pongamia oil; Biodiesel; Oxidation stability; Storage stability; Antioxidant
Funding
- Department of Science and Technology, New Delhi, India [DST/TSG/AF/2006/22]
- Karunya University
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This study investigates the impact of various synthetic phenolic antioxidants on the oxidation stability and storage stability of Pongamia (karanja) biodiesel (PBD). The results of Rancimat experiments show that the induction point (IP) increased substantially on adding certain antioxidants to the Pongamia biodiesel. The study reveals pyrogallol (PY) to be the best antioxidant to show the best improvement in the oxidative stability of PBD, the induction time being enhanced to 34.35 h at a PY concentration of 3000 ppm at 110 degrees C. The storage stability studies were carried out according to the ASTM standard procedures 1) ASTM D4625 at 30 degrees C/50 weeks and 2) ASTM D4625 at 43 degrees C/12 weeks by adding different antioxidants like BHT, BHA, PY, GA and TBHQ. The effectiveness of these five antioxidants on PBD was examined at varying loading levels during the storage period. (c) 2012 Elsevier B.V. All rights reserved.
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