Chromium salt is an important industrial material,but vast waste slag containing chrome(Ⅵ)is brought out in the process of its production.The slag in seriously
The influence of mechanical activation on the leaching kinetics of arsenopyrite was studied using a planetary centrifugal mill.It shows that mechanical activati
Sand casting process ad directional solidification technique combining thermal-rate treatment(TRT) were used.The influence of process parameters on TRT was inve