| abstract |
The invention provides a Hetian jade superfine powder and a preparation method thereof, which realizes full utilization of Hetian jade leftovers and avoids waste. Firstly, the Hetian jade scraps are mechanically crushed into Hetian jade coarse powder, then added to the treatment agent, vacuum freeze-dried and air-flow crushed to make Hetian jade fine powder with a particle size of micron, and finally Under the action of charged nano-zinc oxide, wet grinding can obtain Hetian jade ultrafine powder with a particle size below 10nm. it is good. |