Method of processing powder with problematic characteristics using a working gas, where powder is micronized and/or microclassfied

摘要

A process for processing powders of problematic properties, such as reactive, explosive and flammable or moisture sensitive powders, in which solid powders are micronised and / or microclassified with the aid of a gas (9), wherein the process. - the selected working gas (9) is recycled to the circulating silicon, its exhaust is minimized and, if necessary, added, - the remainder of the process is prepared to be recycled by filtering the solid powder phase to its intended degree, - the working gas (9) is selected from: desiccant compressed air, in-process oxygen deflated air, in-process oxygen defrosted air,