Slurry suspension comprising torrefied wood particles

Abstract

A slurry suspension is provided, which comprises (a) carbonaceous material particles having an average diameter D 50 comprised between 0.1 μm and 200 μm; (b) an organic compound comprising at least one amine group; and (c) an organic phase.

1 . A slurry suspension comprising:
 (a) carbonaceous material particles having an average diameter D 50  from 0.1 μm to 200 μm;   (b) an organic compound comprising at least one amine group selected from the group consisting of:   primary monoamines represented by an amine of formula (I):
   R1—NH 2    (I)
 
   wherein R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 ;   secondary monoamines represented by an amine of formula (II):   
       
         
           
           
               
               
           
         
         wherein R1 and R2 represent independently to one another a methyl group or a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 , with the proviso that at least R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic or aromatic hydrocarbon chain of C 8 -C 22 ; 
         tertiary monoamines represented by an amine of formula (III): 
       
       
         
           
           
               
               
           
         
         wherein R1, R2 and R3 represent independently to one another a methyl group or a saturated or unsaturated, linear, branched or cyclic, aliphatic or aromatic hydrocarbon chain of C 8 -C 22 , with the proviso that at least R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 ; and 
         diethylenetriamine; and 
         (c) an organic phase, and optionally 
         (d) a viscosity controlling agent. 
       
     
     
         2 . (canceled) 
     
     
         3 . The suspension according to  claim 1  wherein said carbonaceous material particles are selected from a group consisting of a vegetal biomass, a coal, a coke, a graphite, a char, a biocoal and a mix thereof. 
     
     
         4 . The suspension according to  claim 3  wherein the vegetal biomass is a torrefied vegetal biomass. 
     
     
         5 . The suspension according to  claim 1  wherein the carbonaceous material particles provide the size distribution as follows:
 D 10  from 1 to 50 μm, and 
 D 90  from 50 to 500 μm. 
 
     
     
         6 . The suspension according to  claim 1  wherein the carbonaceous material particles represent from 25% to 50% by weight of the total weight of the suspension. 
     
     
         7 . (canceled) 
     
     
         8 . (canceled) 
     
     
         9 . The suspension according to  claim 1  wherein the organic compound comprising at least one amine group represents from 0.1% to 5% by weight of the total weight of the suspension. 
     
     
         10 . The suspension according to  claim 1  wherein the organic phase is selected from a group consisting of a fossil-based liquid and a derivative thereof, a biomass-based liquid and a derivative thereof, and a mix thereof. 
     
     
         11 . The suspension according to  claim 10  wherein the fossil-based liquid is a petroleum-based liquid or a derivative thereof. 
     
     
         12 . The suspension according to  claim 1  wherein the organic phase represents from 50% to 75% by weight of the total weight of the suspension. 
     
     
         13 . The suspension according to  claim 1  wherein the viscosity controlling agent is selected from a group consisting of clay powder, clay gel, a hydrogenated castor oil, carbon black and a mix thereof. 
     
     
         14 . A method for the preparation of a slurry suspension according to  claim 1 , the method comprising at least the mixing of:
 (a) carbonaceous material particles having an average diameter D 50  from 0.1 μm to 200 μm;   (b) an organic compound comprising at least one amine group selected from the group consisting of:   primary monoamines represented by an amine of formula (I):
   R1—NH 2    (I)
 
   wherein R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 ;   secondary monoamines represented by an amine of formula (II):   
       
         
           
           
               
               
           
         
         wherein R1 and R2 represent independently to one another a methyl group or a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 , with the proviso that at least R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic or aromatic hydrocarbon chain of C 8 -C 22 ; 
         tertiary monoamines represented by an amine of formula (III): 
       
       
         
           
           
               
               
           
         
         wherein R1, R2 and R3 represent independently to one another a methyl group or a saturated or unsaturated, linear, branched or cyclic, aliphatic or aromatic hydrocarbon chain of C 8 -C 22 , with the proviso that at least R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 ; and 
         diethylenetriamine; and 
         (c) an organic phase, and optionally 
         (d) a viscosity controlling agent. 
       
     
     
         15 . A method for generating power, the method comprising combustion of the slurry suspension according to  claim 1 . 
     
     
         16 . A method for providing a stable and redispersible slurry suspension comprising carbonaceous material particles having an average diameter D 50  from 0.1 μm to 200 μm, the method comprising using an organic compound comprising at least one amine group selected from the group consisting of:
 primary monoamines represented by an amine of formula (I):
   R1—NH 2    (I)
 
 
 wherein R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 ; 
 secondary monoamines represented by an amine of formula (II): 
 
       
         
           
           
               
               
           
         
         wherein R1 and R2 represent independently to one another a methyl group or a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 , with the proviso that at least R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic or aromatic hydrocarbon chain of C 8 -C 22 ; 
         tertiary monoamines represented by an amine of formula (III): 
       
       
         
           
           
               
               
           
         
         wherein R1, R2 and R3 represent independently to one another a methyl group or a saturated or unsaturated, linear, branched or cyclic, aliphatic or aromatic hydrocarbon chain of C 8 -C 22 , with the proviso that at least R1 represents a saturated or unsaturated, linear, branched or cyclic, aliphatic hydrocarbon chain of C 8 -C 22 , and 
         diethylenetriamine 
         and optionally a viscosity controlling agent. 
       
     
     
         17 . The suspension according to  claim 3  wherein the vegetal biomass is torrefied wood particles. 
     
     
         18 . The suspension according to  claim 3 , wherein said carbonaceous material particles are coal or biocoal. 
     
     
         19 . The suspension according to  claim 18 , wherein the coal is selected from a group consisting of anthracite, semi-anthracite, charcoal, solvent refined coal, medium and high-volatile bituminous, sub-bituminous and lignite coals. 
     
     
         20 . The suspension according to  claim 1 , wherein the organic compound comprising at least one amine group is a saturated or unsaturated, linear, branched or cyclic, aliphatic substituted primary monoamine. 
     
     
         21 . The suspension according to  claim 20 , wherein the organic compound comprising at least one amine group is an alkyl substituted primary monoamine. 
     
     
         22 . The suspension according to  claim 21 , wherein the alkyl substituted primary monoamine is laurylamine or C18 amine. 
     
     
         23 . The suspension according to  claim 20 , wherein the organic compound comprising at least one amine group is coco amine.