Simulation of attrition bead mill and jet mill grinding ...
In the attrition bead mill. CMC (sodium carboxy methyl cellulose) was used as grinding additive in FGD gypsum grinding. and TEA (triethanolamine) in calcium carbonate grinding both with the amounts of I g / 100 g of the dry material to be ground. For jet mill grinding the FGD gypsum was firstly dried in an oven to avoid clogging of the mill.