Liquid biofuel compositions

Abstract

Disclosed is a liquid biofuel comprising carbonaceous material particles having a D50 ranging from 0.1 μm to 200 μm suspended in a liquid biodiesel composition.

1 . A liquid biofuel comprising carbonaceous material particles having a D 50  ranging from 0.1 μm to 200 μm suspended in a liquid biodiesel composition. 
     
     
         2 . The liquid biofuel according to  claim 1 , wherein the carbonaceous material particles content is of at least 10% w/w of the said biofuel. 
     
     
         3 . The liquid biofuel according to  claim 1 , wherein the carbonaceous material particles have a size distribution defined by a D 50  ranging from 1 μm to 50 μm. 
     
     
         4 . The liquid biofuel 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.   
     
     
         5 . The liquid biofuel according to  claim 1 , wherein the 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 combination thereof. 
     
     
         6 . The liquid biofuel according to  claim 1 , wherein the carbonaceous material particles consist of a torrefied biomass. 
     
     
         7 . The liquid biofuel according to  claim 1 , wherein the liquid biodiesel is based on esterified fat and/or oil originating from animal, plant, fungi or algae. 
     
     
         8 . The liquid biofuel according to  claim 1 , wherein the liquid biodiesel comprises esterified palm oil. 
     
     
         9 . The liquid biofuel according to  claim 1 , further comprising water in an amount ranging from 0.5% w/w to 25% w/w. 
     
     
         10 . The liquid biofuel according to  claim 1 , which does not comprise any added emulsifying agent or any surfactant compound. 
     
     
         11 . A method for preparing a biodiesel-based liquid biofuel, the method comprising using carbonaceous material particles having a D 50  ranging from 0.1 μm to 200 μm. 
     
     
         12 . The liquid biofuel according to  claim 2 , wherein the carbonaceous material particles content is of at least 20% w/w of the said biofuel. 
     
     
         13 . The liquid biofuel according to  claim 12 , wherein the carbonaceous material particles content is of at least 30% w/w of the said biofuel. 
     
     
         14 . The liquid biofuel according to  claim 3 , wherein the carbonaceous material particles have a size distribution defined by a D 50  ranging from 8 μm to 25 μM. 
     
     
         15 . The liquid biofuel according to  claim 6 , wherein the carbonaceous material particles consist of torrefied wood particles. 
     
     
         16 . The liquid biofuel according to  claim 5 , wherein the carbonaceous material particles are biocoal. 
     
     
         17 . The liquid biofuel according to  claim 5 , wherein the carbonaceous material particles are coal. 
     
     
         18 . The liquid biofuel according to  claim 17 , wherein the coal is selected from a group consisting of anthracite, semi-anthracite, medium and high-volatile bituminous, sub-bituminous and lignite coals.