Physical–chemical properties of waste cooking oil biodiesel and castor oil biodiesel blends

Abstract

This work presents the physical-chemical properties of fuel blends of waste cooking oil biodiesel or castor oil biodiesel with diesel oil. The properties evaluated were fuel density, kinematic viscosity, cetane index, distillation temperatures, and sulfur content, measured according to standard test methods. The results were analyzed based on present specifications for biodiesel fuel in Brazil, Europe, and USA. Fuel density and viscosity were increased with increasing biodiesel concentration, while fuel sulfur content was reduced. Cetane index is decreased with high biodiesel content in diesel oil. The biodiesel blends distillation temperatures T 10 and T 50 are higher than those of diesel oil, while the distillation temperature T 90 is lower. A brief discussion on the possible effects of fuel property variation with biodiesel concentration on engine performance and exhaust emissions is presented. The maximum biodiesel concentration in diesel oil that meets the required characteristics for internal combustion engine application is evaluated, based on the results obtained.

Multi-Feedstocks Biodiesel Production from Esterification of Calophyllum inophyllum Oil, Castor Oil, Palm Oil and Waste Cooking Oil

“…Meanwhile, the chemical composition of palm oil methyl ester using GC-MS mostly consisted of 40.2% palmitic acid methyl ester and 42.4% oleic acid methyl ester. The production of biodiesel from other feedstocks, such as castor oil, soybean oil, and waste cooking oil, has been conducted by many previous researchers (Valente et al, 2011;Ganjehkaviri, 2018;Aworanti et al, 2012;Doll et al, 2008;Doll et al, 2010). Table 1 shows that biodiesel from soybean oil and palm oil provides good results.…”

Optimization of coconut oil ethyl esters reaction variables and prediction model of its blends with diesel fuel for density and kinematic viscosity

“…The high PP and CP will restrict the usage of CNOEE in cold and arctic regions. Blending biodiesel with either fossil diesel or kerosene has been identified to provide a significant improvement [55,56] to the PP and CP of biodiesel.…”

Biodiesel production using waste cooking oil: a waste to energy conversion strategy

“…The use of waste cooking oil as feedstock can effectively reduce the cost of biodiesel by 60-70%. Biodiesel is used as a mixture constituent of petroleum diesel in proportions for running a diesel engine, since using neat biodiesel has some engine issues (Valente et al 2011). It has been reported that mixing of 5% of biodiesel fuel to the present fuel can save Rs.…”