Journal ArticleDOI
Transesterification of neat and used frying oil : Optimization for biodiesel production
Dennis Y.C. Leung,Y. Guo +1 more
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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.About:
This article is published in Fuel Processing Technology.The article was published on 2006-10-01. It has received 933 citations till now. The article focuses on the topics: Biodiesel production & Transesterification.read more
Citations
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A review on biodiesel production using catalyzed transesterification
TL;DR: In this article, the main factors affecting the yield of biodiesel, i.e. alcohol quantity, reaction time, reaction temperature and catalyst concentration, are discussed, as well as new new processes for biodiesel production.
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Progress and recent trends in biodiesel fuels
TL;DR: The most important variables affecting methyl ester yield during the transesterification reaction are the molar ratio of alcohol to vegetable oil and the reaction temperature as discussed by the authors, which is the commonly used alcohol in this process, due to its low cost.
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Review of biodiesel composition, properties, and specifications
TL;DR: In this paper, the fatty acid (FA) profiles of 12 common biodiesel feedstocks were summarized, and it was shown that several fuel properties, including viscosity, specific gravity, cetane number, iodine value, and low temperature performance metrics are highly correlated with the average unsaturation of the FA profiles.
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Biodiesel production through the use of different sources and characterization of oils and their esters as the substitute of diesel: A review
S. P. Singh,Dipti Singh +1 more
TL;DR: In this paper, the authors reviewed the source of production and characterization of vegetable oils and their methyl ester as the substitute of the petroleum fuel and future possibilities of Biodiesel production.
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Homogeneous, heterogeneous and enzymatic catalysis for transesterification of high free fatty acid oil (waste cooking oil) to biodiesel: a review.
TL;DR: It was found that using heterogeneous acid catalyst and enzyme are the best option to produce biodiesel from oil with high FFA as compared to the current commercial homogeneous base-catalyzed process, which still suffers from serious mass transfer limitation problems and therefore is not favorable for industrial application.
References
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Journal ArticleDOI
Biodiesel production : a review
Fangrui Ma,Milford A. Hanna +1 more
TL;DR: In this article, the transesterification reaction is aected by molar ratio of glycerides to alcohol, catalysts, reaction temperature, reaction time and free fatty acids and water content of oils or fats.
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Variables affecting the yields of fatty esters from transesterified vegetable oils
TL;DR: In this paper, the authors showed that the conversion to methyl, ethyl and butyl esters from cottonseed, peanut, soybean and sunflower oils can be done in 1 hr with an alkaline catalyst.
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Biodiesel production from waste cooking oil: 2. Economic assessment and sensitivity analysis.
TL;DR: Plant capacity and prices of feedstock oils and biodiesel were found to be the most significant factors affecting the economic viability of biodiesel manufacture.
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Experimental evaluation of the transesterification of waste palm oil into biodiesel.
TL;DR: Waste palm oil was transesterified under various conditions and a 100% excess alcohol effected significant reductions in reaction time and lower gamma relative to lower excess levels, producing biodiesel with lower specific gravity, gamma, in a much shorter reaction time than lower concentrations.
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Fast one-phase oil-rich processes for the preparation of vegetable oil methyl esters
TL;DR: In this paper, a re-evaluation of kinetic data showed that methoxide base-catalyzed methanolysis of soybean oil at 40°C (6:1 methanol:oil molar ratio) to form methyl esters proceeds approximately 15 times more slowly than butanolysis at 30°C.