Attrition Grinding Mill Design
WEBJun 9, 2017 · Grinding of Kaolin. The primary objective of every research activity carried on by the Bureau of Mines is wise and efficient use of our Nation's mineral wealth. In 1959, Bureau analysts noted a 75fold increase in the production of papercoatinggrade clay from 1925 to 1959, whereas production of paperfiller grade clay increased only ...