Glycerol: Difference between revisions
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[[File: 200px-Glycerin_Skelett.svg.png|right]] | [[File: 200px-Glycerin_Skelett.svg.png|right]] | ||
[http://en.wikipedia.org/wiki/Glycerin Glycerol] (glycerin, glycerine) is the main byproduct of biodiesel production. It is a colourless, odourless, viscous, nontoxic liquid with a sweet taste. Pure glycerine has thousands of uses. However, the biodiesel byproduct is crude (and it's not colourless, and it's not only glycerine). | [http://en.wikipedia.org/wiki/Glycerin Glycerol] (glycerin, glycerine) is the main byproduct of [[biodiesel]] production. It is a colourless, odourless, viscous, nontoxic liquid with a sweet taste. Pure glycerine has thousands of uses. However, the biodiesel byproduct is crude (and it's not colourless, and it's not only glycerine). | ||
==Byproduct in biodiesel production== | ==Byproduct in biodiesel production== | ||
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==Main uses and Product ecology== | ==Main uses and Product ecology== | ||
*as mentioned, glycerol is the main by-product of | *as mentioned, glycerol is the main by-product of [[biodiesel]] production (see our blog post: [http://openfarmtech.org/weblog/2009/07/open-source-biodiesel-tutorial/ Open Source Biodiesel Tutorial]). | ||
* also a byproduct in the soapmaking process | * also a byproduct in the soapmaking process | ||
* use in '''biodigestor''': feed slowly, very slowly. The addition of glycerin can dramatically increase [[biogas]] production (more information [http://www.make-biodiesel.org/Dealing-with-Byproducts/anaerobic-digestion.html here]). Special bacterial strains [http://www.biorefiningmagazine.com/articles/5172/gmo-methanogen-for-glycerin-digestion are being developed] that can efficiently utilize glycerin to make methane | * use in '''biodigestor''': feed slowly, very slowly. The addition of glycerin can dramatically increase [[biogas]] production (more information [http://www.make-biodiesel.org/Dealing-with-Byproducts/anaerobic-digestion.html here]). Special bacterial strains [http://www.biorefiningmagazine.com/articles/5172/gmo-methanogen-for-glycerin-digestion are being developed] that can efficiently utilize glycerin to make methane | ||
Revision as of 00:32, 9 March 2011
Glycerol (glycerin, glycerine) is the main byproduct of biodiesel production. It is a colourless, odourless, viscous, nontoxic liquid with a sweet taste. Pure glycerine has thousands of uses. However, the biodiesel byproduct is crude (and it's not colourless, and it's not only glycerine).
Byproduct in biodiesel production
[insert text here if you can write it !]
Purifying glycerol
[insert text here if you can write it !]
Main uses and Product ecology
- as mentioned, glycerol is the main by-product of biodiesel production (see our blog post: Open Source Biodiesel Tutorial).
- also a byproduct in the soapmaking process
- use in biodigestor: feed slowly, very slowly. The addition of glycerin can dramatically increase biogas production (more information here). Special bacterial strains are being developed that can efficiently utilize glycerin to make methane
- when of low purity, can be burned along with biomass such as sawdust
- crude glycerol from homemade biodiesel makes a powerful degreaser.
- feed additive for cattle [1][2][3] and other ruminants
- nitration, to make nitroglycerin (probably not a good idea, unless you want to end up like Nobel's brother)
- other uses: in skin moisturizers, lotions, deodorants, makeup, toothpaste, sweets and cakes, pharmaceuticals and patent medicines, in paper manufacturing, printing ink, in textiles, plastics, electronic components…
External Links
- Journey To Forever: Glycerin
- Science-Projects.com: Making Glycerol from Biological Fats and Oils
- Wisegeek: What Is Glycerin?
- Permaculture.com Making Glycerin Soap from Biodiesel By-Products