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Synthesis and characterization of vegetable oil derived esters: evaluation for their diesel additive properties [An article from: Bioresource Technology] | ![Synthesis and characterization of vegetable oil derived esters: evaluation for their diesel additive properties [An article from: Bioresource Technology]](http://ecx.images-amazon.com/images/I/512SA5QAAFL._SL160_.jpg)
 enlarge | Authors: S. Dmytryshyn, A. Dalai, S. Chaudhari, H. Mishra
Publisher: Elsevier
Category: Book
Buy New: $8.95
Format: Html
Media: Digital
ASIN: B000RQZSOA
Publication Date: March 1, 2004
Availability: Available for download now
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Product Description
This digital document is a journal article from Bioresource Technology, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Trans-esterification of four vegetable oils; canola oil, greenseed canola oil from heat-damaged seeds, processed waste fryer grease and unprocessed waste fryer grease, was carried out using methanol, and KOH as catalyst. The methyl esters of the corresponding oils were separated from the crude glycerol, purified, and characterized by various methods to evaluate their densities, viscosities, iodine values, acid numbers, cloud points, pour points and gross heat of combustion, fatty acid and lipid compositions, lubricity properties, and thermal properties. The fatty acid composition suggests that 80-85% of the ester was from unsaturated acids. Substantial decrease in density and viscosity of the methyl esters compared to their corresponding oils suggested that the oils were in their mono or di glyceride form. The lubricity of the methyl esters, when blended at 1 vol% treat rate with ISOPAR^(R) M reference fuel, showed that the canola methyl ester enhanced the fuel's lubricity number. From the analyses performed, it was determined that the ester with the most potential for being an additive or a substitute for diesel fuel is the canola methyl ester, whose physical and chemical characteristics are similar to diesel fuel.
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