Apparatus and method for separating mixed liquids

Details Apparatus and method for separating mixed liquids Apparatus and method for separating mixed liquids

B - Operations, Transporting

01

D

B01D 1/22 (2006.01) B01D 1/16 (2006.01) B01D 3/06 (2006.01) B01D 3/08 (2006.01)

Patent

CA 2383605

In a biomass extraction circuit there is a need for an improved evaporator. An evaporator (12) includes an inlet for a liquid solvent/biomass mixture, the inlet including a spray nozzle (27). The evaporator (12) includes a heated vessel wall (20a, 20b). When the solvent/biomass mixture flows through the nozzle (27), the pressure drop vaporises some of the solvent. The heated walls (20a, 20b) vaporise the remainder of the solvent. The solvent vapour vents from the evaporator (12) for recycling. Liquid biomass extract collects in the base of the vessel for draining and subsequent use.

Dans les circuits d'extraction de biomasse, un évaporateur amélioré est nécessaire. L'invention concerne un évaporateur (12) comprenant une entrée pour un mélange solvant/biomasse, cette entrée comprenant une buse (27) de vaporisation. L'évaporateur (12) comprend une cuve à paroi (20a, 20b) chauffée. Lorsque le mélange solvant/biomasse s'écoule à travers la buse (27), la chute de pression provoque la vaporisation d'une partie du solvant, le reste étant vaporisé par les parois (20a, 20b) chauffées. La vapeur de solvant est évacuée de l'évaporateur (12) pour être recyclée. L'extrait de biomasse liquide s'accumule dans le fond de la cuve afin d'être vidangée puis utilisée.

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