2 replies to this topic

[boss429jc]

Does anyone have any information of the solubility of CO2 in ethanol at various temperatures, or where I might find such information?

[kevinlewis]

The supercritical method for biodiesel production is critically examined. Operating conditions such as alcohol type, stoichiometry, temperature, pressure, and the presence of a catalyst and/or co-solvent are examined. The supercritical method is tolerant towards feedstocks containing large amounts of moisture and free fatty acids. High yields of methyl esters are obtained by using high alcohol ratios with high temperatures and pressures. The supercritical method is catalyst free and simplifies the recovery of glycerin as a co-product for biodiesel production. Some questions are posed, as this method is relatively new in the area of biodiesel fuel production.

[Ramsey]

You also forgot to mention that gasoline can be shipped via pipelines from where it is drilled to a central distribution center whereas ethanol cannot be piped and must be carried by truck from the farmland to the distillery and from the distillery to the gasoline mixing station.














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