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Influence of Reduction and Thermal Shock on Nonmagnetic Taconite Grindability.

Authors
Daellenbach-CB; Vik-RA; Mahan-WM
Source
Trans Soc Min Eng AIME 1971 Sep; 250:212-217
Link
NIOSHTIC No.
10010214
Abstract
The influence of reduction roasting and thermal shock on the grindability of a refractory low-grade Michigan iron ore was examined in bench-scale tests. The quantitative effects of the various treatments were evaluated at three sieve levels, 48, 100, and 400 mesh, with ball-mill-grindability and work-index parameters as response indicators. Data from the testing program were statistically analyzed to isolate the effects of cooling rate, roasting temperature, mesh level, and ore chemical condition. All four variables were found to have an important influence on the grindability of the treated ore. Ore chemical condition and roasting temperature had the most pronounced effects.
Publication Date
19710901
Document Type
OP;
Fiscal Year
1971
NTIS Accession No.
NTIS Price
Identifying No.
OP 153-71
NIOSH Division
TCRC;
Source Name
Trans. Soc. Min. Eng., AIME, V. 250, September 1971, PP. 212-217
State
MI;
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