Seymourville Frac Sand Project - Manitoba, Canada - page 24

Claim Post Resources – CPS -V
Sand Grain Strength vs. Fines & Turbidity
Mining Industry Approach
• Ball Milling – quartz ore
• 1000kw motor
• Sag Milling – quartz ore
• 1000kw motor
• Actual Sag BWI variation
• Use harder sand to grind
midds & sub angular to
angular particles.
Bond Work Index (BWI)
• BWI - 10kwh per ton
• 1,000tpd mill output
• BWI - 10kwh per ton
• 3000 tpd – 300tpd output
• BWI - 3kwh/t – 30kwh/t
• 3kwh/t – low K sand
• 30kwh/t – high K sand
• Stronger sand less fines
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