Glycerin systems

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 5/20 (2006.01) C07C 29/00 (2006.01) C10G 3/00 (2006.01)

Patent

CA 2697004

A method for manufacturing antifreeze comprising manufacturing biodiesel; collecting the byproduct glycerin of such biodiesel manufacture; adding water to such glycerin to generate at least one mixture of glycerin and water; adding at least one anticorrosive additive to such at least one mixture of glycerin and water to generate at least one antifreeze; and placing such at least one antifreeze into at least one automotive cooling system. The antifreeze viscosity is adapted to be within the viscosity range between propylene-glycol-based antifreeze and ethylene-glycol-based antifreeze. Also disclosed are "blended" biodiesel-derived glycerin/ethylene glycol coolant/antifreeze products and biodiesel-derived glycerin/propylene glycol coolant/antifreeze products. Marketing methods are also disclosed, along with material compositions.

L'invention concerne un procédé de fabrication d'antigel qui consiste à fabriquer du biodiesel; à collecter la glycérine comme sous-produit de la fabrication de biodiesel; à ajouter de l'eau à cette glycérine afin de produire au moins un mélange de glycérine et d'eau; à ajouter au moins un additif anticorrosion audit mélange de glycérine et d'eau afin de produire au moins un antigel; et à placer cet antigel dans au moins un système de refroidissement d'automobile. La viscosité de l'antigel se situe dans la plage de viscosité entre l'antigel à base de propylène glycol et l'antigel à base d'éthylène glycol. L'invention concerne également des produits de refroidissement/antigel de biodiesel "mélangés" à base de glycérine/éthylène glycol et des produits de refroidissement/antigel de biodiesel "mélangés" à base de glycérine/propylène glycol. L'invention concerne également des méthodes de marketing, ainsi que des compositions de matériaux.

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