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CAN THO JOINT
STOCK COMPANY[/b]







THE RESULT OF IRON ORE’S
PILOT MODEL[/b]



·
Pilot
model 1:[/b]



+ First model (from ore)
is analyzed by TCN01-IV method, the result of iron (Fe) content is 40.88%.[/b]



·
Pilot
model 2: (Iron enriched model): [/b]



a. Enriched method:[/i][/b]



+ First model (from ore)
is cleaned clearly then dried out, then mixed into 5% of coal (the coal is
fine-grinded through sizes of mesh 1mm) and then baked without air.[/b]



+ The baked model is cooled without air.



[table]



No of model


|

Mass of First ore (g)


|

Mass of coal


(g)


|

Temperature for baking(0C)


|

Time of baking(h)


|

Mass of model after baked


|

Mass of magnetic ore


|

Rate of magnetic ore /


Mass of First ore


|

% conversion= mass adsorbed by magnet/ Mass of model
after baked


|





Model 2


|

300


|

15


|

950


|

1


|

247.14


|

229.7


|

76.56%


|

92.94%


|


[/table]

b. Analyzed result:[/i] [/b]Iron
(Fe) content is 58.07% (TCN01-IV method). [/i][/b]



·
Pilot
model 3:[/b]



a. Enriched method:[/i][/b]



+ First model (from ore)
is cleaned clearly then dried out, after that it is fine-grinded through sizes
of mesh 1mm (under the mesh), then mixed into 5% of coal (the coal is fine
grinded through sizes of mesh 1mm) and then baked without air.



+ The baked model is cooled without air.[/b]



b. Analyzed result:[/i][/b]



[table]



No of model


|

Mass of First ore (g)


|

Mass of coal


(g)


|

Temperature for baking(0C)


|

Time of baking(h)


|

Mass of model after baked


|

Mass of magnetic ore


|

Rate of magnetic ore /


Mass of First ore


|

% conversion= mass adsorbed by magnet/ Mass of model
after baked


|





Model 3


|

300


|

15


|

950


|

45


|

245.42


|

237.88


|

79.3%


|

96.92%


|


[/table]





CAN THO JOINT STOCK COMPANY




General Director



[/b]




Thai Minh Thuyet[/b]