EP 4347080 A1 20240410 - METHOD AND DEVICE FOR PRESSING A LIQUID EXTRACT OUT OF A MATERIAL TO BE PRESSED
Title (en)
METHOD AND DEVICE FOR PRESSING A LIQUID EXTRACT OUT OF A MATERIAL TO BE PRESSED
Title (de)
VERFAHREN UND VORRICHTUNG ZUM PRESSEN EINES FLÜSSIGEN EXTRAKTS AUS EINEM PRESSGUT
Title (fr)
PROCÉDÉ ET DISPOSITIF DE PRESSAGE D'UN EXTRAIT LIQUIDE HORS D'UN MATÉRIAU À PRESSER
Publication
Application
Priority
- DE 102021002823 A 20210601
- EP 2022064594 W 20220530
Abstract (en)
[origin: CA3220864A1] The invention relates to a method for pressing a liquid extract out of a material to be pressed. The material to be pressed is supplied to a screw press and is transported along a pressing path in the screw press, and a pressing pressure is applied to the material to be pressed. The screw press is supplied with an extraction agent which is discharged from the material to be pressed together with the extract, wherein carbon dioxide is used as the extraction agent. The invention is characterized in that the carbon dioxide is supplied to the screw press in the form of dry ice pellets. The dry ice is mixed with the material to be pressed and is transported together with the material to be pressed through the screw press along the pressing path. In the process, the dry ice is converted into liquid or supercritical carbon dioxide, which dissolves in the extract and reduces the viscosity thereof and which effectively cools the material to be pressed in the screw press.
IPC 8 full level
B01D 11/02 (2006.01); B30B 9/02 (2006.01); B30B 9/12 (2006.01); B30B 9/14 (2006.01); C11B 1/00 (2006.01); C11B 1/10 (2006.01)
CPC (source: EP)
B30B 9/122 (2013.01); B30B 9/125 (2013.01); B30B 9/127 (2013.01); B30B 9/14 (2013.01); C11B 1/06 (2013.01); C11B 1/10 (2013.01); C11B 1/104 (2013.01); B01D 11/0203 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102021002823 A1 20221201; BR 112023025130 A2 20240227; CA 3220864 A1 20221208; CN 117545537 A 20240209; EP 4347080 A1 20240410; WO 2022253749 A1 20221208
DOCDB simple family (application)
DE 102021002823 A 20210601; BR 112023025130 A 20220530; CA 3220864 A 20220530; CN 202280043985 A 20220530; EP 2022064594 W 20220530; EP 22730893 A 20220530