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US 2017/0320970 A1Published application
Process for the decomposition of biomass-material
AssigneeClariant International Ltd.
InventorsRalf HORTSCH, Thomas HOPPE, Bjoern HUEHNLEIN
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Abstract
The present application pertains to a process for the decomposition of biomass-material.
Claims11
A process for the decomposition of lignocellulose-containing biomass-material, comprising the steps
- (a) providing lignocellulose-containing biomass-material;
- (b) subjecting the lignocellulose-containing biomass-material to comminution;
- (c) subjecting the comminuted lignocellulose-containing biomass-material to a sifting to separate a particle-fraction consisting of particles with an average particle diameter of less than 2500 μm;
- (d) subjecting the remaining comminuted lignocellulose-containing biomass-material to a pretreatment;
- wherein before, during or after pretreatment particles are added to the lignocellulose-containing biomass-material wherein at least 70 wt.-% of the particles added have an average particle diameter of less than 1.6 mm.
2 more elements
A process for the decomposition of lignocellulose-containing biomass-material, comprising the steps
- (a) providing lignocellulose-containing biomass-material;
- (b) subjecting the lignocellulose-containing biomass-material to comminution;
- (c) subjecting the comminuted lignocellulose-containing biomass-material to a sifting to separate a particle-fraction consisting of particles with an average particle diameter of less than 2500 μm;
- (d) subjecting the remaining comminuted lignocellulose-containing biomass-material to a pretreatment;
- wherein before, during or after pretreatment particles are added to the lignocellulose-containing biomass-material wherein at least 70 wt.-% of the particles added have an average particle diameter of less than 1.6 mm;
- wherein the particles added are added in a continuous fashion during the pretreatment;
- wherein from 1 to 15 weight-% of particles are added to the lignocellulose-containing biomass-material;
- wherein the particles added are selected from the group consisting of graphite, charcoal, activated coal, silicate and clay mineral particles;
- wherein the pretreatment is selected from mechanical pretreatment, biological pretreatment, chemical pretreatment, physical pretreatment and combinations thereof;
- wherein the particles added are selected from the particle-fraction separated according to step c);
- wherein a particle-fraction consisting of particles with an average particle diameter of less than 1600 μm is separated according to step (c);
- wherein at least 85 wt.-% of the particles added have an average diameter of less than 1.6 mm;
- and
- wherein the particles added show a volumetric particle size distribution with a D(0.10) value of from 20 to 175 μm and a D(0.50) value from 250 to 450 μm.
11 more elements
Dependencies are inferred from the claim text.