Method of dewatering thin stillage processing streams

Details Method of dewatering thin stillage processing streams Method of dewatering thin stillage processing streams

B - Operations, Transporting

01

D

B01D 21/01 (2006.01)

Patent

CA 2670537

A method dewatering thin stillage process streams generated in the processing of grain to ethanol comprising adding to the process streams an effective flocculating amount of an anionic copolymer comprising acrylic acid sodium salt, methacrylic acid sodium salt or 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt to form a mixture of water and flocculated solids; and separating the water from the flocculated solids using a dewatering device.

La présente invention concerne un procédé de déshydratation de flux de traitement de résidus solubles de distillation générés dans la transformation de grain en éthanol, comprenant l'addition aux flux de traitement d'une quantité floculante efficace d'un copolymère anionique comprenant du sel de sodium d'acide acrylique, du sel de sodium d'acide méthacrylique ou du sel de sodium d'acide 2-acrylamido-2-méthyl-1-propanesulfonique afin de former un mélange d'eau et de solides floculés ; et la séparation de l'eau des solides floculés en utilisant un dispositif de déshydratation.

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