II. The data below gives the size distribution of precious garnet ore which was measured by screen sizes and microscopically counted. The bulk density of garnet ore is 2,750 kg and the specific surface ratio for particle sizes (Mesh -3+6) is 4.8 while for particle sizes (Mesh -6+14) is 4.0. m³ % of the total number of particles Mesh No. Through 3 100% On 4 18% 40% 18% 20% 4% On 6 On 8 On 10 On 14 If the precious mineral ore weighs 5 kilograms, determine: a. Specific surface of the precious ore in m²/kilogram b. The total surface (in m²) of the particles whose sizes are bigger than 3.25 mm c. If the work index of garnet ore is 12.37, determine the theoretical power per unit mass to size reduce the particle to mean particle size of 0.5 mm
II. The data below gives the size distribution of precious garnet ore which was measured by screen sizes and microscopically counted. The bulk density of garnet ore is 2,750 kg and the specific surface ratio for particle sizes (Mesh -3+6) is 4.8 while for particle sizes (Mesh -6+14) is 4.0. m³ % of the total number of particles Mesh No. Through 3 100% On 4 18% 40% 18% 20% 4% On 6 On 8 On 10 On 14 If the precious mineral ore weighs 5 kilograms, determine: a. Specific surface of the precious ore in m²/kilogram b. The total surface (in m²) of the particles whose sizes are bigger than 3.25 mm c. If the work index of garnet ore is 12.37, determine the theoretical power per unit mass to size reduce the particle to mean particle size of 0.5 mm
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:II.
The data below gives the size distribution of precious garnet ore which was measured by screen sizes
and microscopically counted. The bulk density of garnet ore is 2,750
kg and the specific surface ratio for
particle sizes (Mesh -3+6) is 4.8 while for particle sizes (Mesh -6+14) is 4.0.
m³
% of the total number of particles
Mesh No.
Through 3
100%
On 4
18%
40%
18%
20%
4%
On 6
On 8
On 10
On 14
If the precious mineral ore weighs 5 kilograms, determine:
a. Specific surface of the precious ore in m²/kilogram
b. The total surface (in m²) of the particles whose sizes are bigger than 3.25 mm
c. If the work index of garnet ore is 12.37, determine the theoretical power per unit mass to size
reduce the particle to mean particle size of 0.5 mm
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