The twin screw extruder enables full chemical permeation of the lignocellulosic material by the solvent, leading to a dissolution of organic and/or mineral matters into the liquid phase.
Solid /liquid separation is achieved continuously in the twin screw extruder for efficient washing or for the removal of molecules of interest (hemicellulose, polysaccharides, polyphenols, etc. …).
Pretreatment of biomass aims to alter the structural characteristics of the matrix to increase the accessibility of the biomass components.
Combining mechanical effect, chemical reaction, and temperature control with possible internal high pressure zones and solid-liquid separation, the twin-screw extruder is a complete reactor that achieves highly intensified biomass pre-treatment.
In twin screw extrusion processing, fiber crushing/separation is achieved by the compression and shearing forces generated when the raw material flows through screw sections with specially-designed reverse screw elements.
Wood fibers for peatfree soil mixes are a leading product obtained with this innovative extrusion technology.
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Extrusion Service Program (ESP) is our personalized contract, complete and cost-effective solution to ensure the maintenance of your production lines.