Methods for removing fats, oil and grease and recovering...

Details Methods for removing fats, oil and grease and recovering... Methods for removing fats, oil and grease and recovering...

B - Operations, Transporting

01

D

B01D 21/01 (2006.01) C02F 1/56 (2006.01)

Patent

CA 2732253

A method for recovering tallow from food or animal processing wastewater includes adding a flocculant to the wastewater to agglomerate suspended fats, oil and grease particles in the wastewater, separating solid waste materials from the wastewater and processing the solid waste materials to recover tallow. The flocculant includes polyacrylamide or an acrylamide copolymer. A process for separating fats, oil and grease from food or animal processing wastewater is also provided.

L'invention porte sur un procédé pour la récupération de suif à partir d'eau résiduaire de transformation d'aliments ou d'animaux, comprenant l'ajout d'un floculant à l'eau résiduaire afin dobtenir lagglomération des particules de matières grasses, d'huile et de graisse en suspension dans l'eau résiduaire, séparer les matières résiduelles solides de l'eau résiduaire et traiter les matières résiduelles solides pour récupérer le suif. Le floculant comprend du polyacrylamide ou un copolymère d'acrylamide. L'invention porte également sur un procédé permettant la séparation des matières grasses, de l'huile et de la graisse à partir d'eau résiduaire de transformation d'aliments ou d'animaux.

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