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Title: Effect of flotation reagents on the wet grinding of celestite concantrate
Authors: Cebeci, Yakup
Bayat, Oktay
Keywords: Flotation;celestite;aero-801;sodium silicate;sodium oleate;grinding aid
Issue Date: May-2004
Publisher: CSIR
IPC Code: B22F 9/00, B03D 1/001
Abstract: In this study, the grinding of celestite concentrate in presence of grinding aids, used for celestite ore, flotation has been investigated in a laboratory wet-ball mill as a function of time and concentration of grinding aids. In the experiments, Aero-801, sodium oleate and sodium silicate have been used as grinding aids at the concentrations of 10, 100 and 1000 g/t. While sodium oleate and sodium silicate have beneficial effect in longer grinding times at concentrations of 100 and 1000 g/t, they have adverse effect on grinding at all grinding times at concentration of 10 g/t as evident from particle size. d80 values of ground products are coarser than that without grinding aid. Aero-801 is the best among the grinding aids tested for the concentrations studied. Considering the fineness of the ground products desired, 100 g/t concentration of Aero-801 appears to be proper for grinding of celestite concentrate.
Page(s): 382-387
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.11(3) [May 2004]

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