In this experimental investigation, the effectiveness of five different antioxidants: 2-tert butyl hydroquinone (TBHQ), 2,6-di-tert butyl-4-methyl phenol (Butylated Hydroxy Toluene or BHT), 1,2,3 tri-hydroxy benzene (Pyrogallol or PY) and 3,4,5-tri hydroxy benzoic acid (Propyl Gallate or PG), 2-tert butyl -4-methoxy phenol (Butylated Hydroxy Anisole or BHA) on oxidation stability of biodiesel produced from the Prunus armeniaca oil (apricot oil) on the bases of weight of sludge and neutralization value has been studied. The quantities of antioxidants 100, 1000, 4000 ppm were added in the sample and the oxidation stability was measured using Rancimat apparatus. Among all aforementioed antioxidant, PG and BHA gives best result at room temperature as well as 110 °C.In this study, engine emissions and performance were tested on a Kirloskar TV1, single cylinder engine to analyze the effect of BHA and PG antioxidants. Engine emissions and performance were experimentally found for, 20% biodiesel blend in 80% diesel (B20), B20 with 4000 ppm concentration of antioxidant PG (B20/PG4000), B20 with 4000 ppm concentration of antioxidant BHA (B20/BHA4000) and diesel are plotted against load.It was found from experiments that CO emissions from B20/BHA4000 fuel are lower than diesel at full load while that of B20/PG4000 blend, CO emission was similar as diesel at full load. HC emission was found minimum for B20/BHA4000 among all four blends at full load. At low load NOx emission in B20 was lower and it increases with increase in engine load. NOx emission with B20/BHA4000 and B20/PG/4000 blend at full load was found to be minimum as compared to diesel.
Fuel – Elsevier
Published: Mar 15, 2018
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