Topic
Transesterification
About: Transesterification is a research topic. Over the lifetime, 14765 publications have been published within this topic receiving 411978 citations.
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TL;DR: The direct transesterification method appears to be particularly advantageous for the recovery of the highly volatile medium chain triglycerides and there is no need to add an antioxidant to protect unsaturated lipids.
968 citations
TL;DR: In this paper, the authors have discussed the development of biodiesel and its latest aspects of development, including biodegradability, kinetics involved in the process, and its stability have been critically reviewed.
941 citations
TL;DR: In this article, the characteristics and performance of three commonly used catalysts used for alkaline-catalyzed transesterification i.e. sodium hydroxide, potassium hydroxides and sodium methoxide, were evaluated using edible Canola oil and used frying oil.
933 citations
TL;DR: In this article, the authors present a review of the production and characterization of biodiesel (BD or B) as well as the experimental work carried out by many researchers in this field.
871 citations
TL;DR: In this article, a response surface methodology (RSM) based on central composite rotatable design (CCRD) was used to optimize the three important reaction variables (methanol quantity, acid concentration, and reaction time) for reduction of free fatty acid (FFA) content of the oil to around 1% as compared to methanol quantity (M′) and reaction times (T′), and for carrying out transesterification of the pretreated oil.
Abstract: Response surface methodology (RSM) based on central composite rotatable design (CCRD) was used to optimize the three important reaction variables—methanol quantity (M), acid concentration (C) and reaction time (T) for reduction of free fatty acid (FFA) content of the oil to around 1% as compared to methanol quantity (M′) and reaction time (T′) and for carrying out transesterification of the pretreated oil. Using RSM, quadratic polynomial equations were obtained for predicting acid value and transesterification. Verification experiments confirmed the validity of both the predicted models. The optimum combination for reducing the FFA of Jatropha curcas oil from 14% to less than 1% was found to be 1.43% v/v H2SO4 acid catalyst, 0.28 v/v methanol-to-oil ratio and 88-min reaction time at a reaction temperature of 60 °C as compared to 0.16 v/v methanol-to-pretreated oil ratio and 24 min of reaction time at a reaction temperature of 60 °C for producing biodiesel. This process gave an average yield of biodiesel more than 99%. The fuel properties of jatropha biodiesel so obtained were found to be comparable to those of diesel and confirming to the American and European standards.
843 citations