Patent ID: 9480964
Filing Date: 2016-11-01
CPC Classification: B01J

Claim Text:
1. A device for producing a suspension or a wet paste of particles of nanometric or submicronic size, comprising: a chamber having a first and a second compartment arranged on top of each other; filtering means arranged in the chamber between the first and second compartments, said means being suitable for preventing passage of particles of nanometric or submicronic size, while enabling passage of a fluid, from one compartment to the other; means for introducing a flow of particles of nanometric or submicronic size having a bulk density between 15 and 100 g/L, situated in the first compartment; means for discharging gas, situated in the second compartment; means for injecting at least one fluid, situated in the second compartment, suitable for creating a flow from the filtering means, said flow being inverted with respect to the flow created by the means for introducing a flow of particles of nanometric or submicronic size; means for outputting suspension or wet paste of particles; wherein the device further comprises means for forming, in the first compartment, a spray formed from droplets of sizes between 1 and 10 microns, the means for forming a spray and the filtering means being a single element comprising a high-efficiency filter, as per the European standard EN 1822.