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1160 MWe ;




 
      
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« : 27, 2009, 09:38:15 am »



- (Magnesite )

(MgCO3) . , .  CaCO3,  CaCO3 MgCO3, MgCO3.      .

: , , , ;
- : .
-: MgO ( )
- : 14500C , , .
- : (500 - 12000C) 10% .
- , , MgO ( ). ()




,   .       (ultramafic) , .
() . . () , , , , . , . 3 :
- 0,5 - 4 m .
- (stock work) .
- () , m3. ()





 

: Ω ΩΩ Ω Ω ΩΩ . ., . . ∆ . XXXVI, 2004 10 ∆ , / 2004


(tn)



    , .
 
80% >1600 C, , 2800 . MgO. , , .
.

  , , . (Cr2O3+Al2O3>57% Cr2O3>30%) - , .
  , , (CaCO3.MgCO3), (Mg2SiO4),  (H4Mg3Si2O9), (H2Mg3Si4O12), MgO .
  , , , , , , , , ...
:
- 90% Mg Al, Zn, Mn .
- 10-30% Al 90-70% Mg.
- 0,5-2% Mg Al Si.
  , , Sorel . MgCl2 . , , , , .
. , . MgO>96% >3,2 gr/cm3.

Sorel .

T Sorel ( ) Stanislas Sorel 1867. ( ) .    Sorel , , ( ), , (.. ).    10000 - 12000 psi (Portland) 2000 psi. , .  , . ()



    ( )  . , , .

:http://www.showcaves.com/english/explain/Mines/Magnesite.html





10 70 80










, , ,


.





() (MgCO3), . CaCO3.MgCO3 (KCl.MgCl2.6H2O), (MgCl2.6H2O) (MgSO4.H2O), Mg.
To , , . ' , , 1755 .
, .

, 4-10 m. , , .
, .
, .   (..>3.02 gr*/cm3, :3.5-4.0), , , (.:2.9-3.0 gr*/cm3, :3.5-5.0). , CaCO3, Al2O3 SiO2 .

.

, . , , , ( -, FeCO3,  5-30%).
(MgO) (caustic calcined magnesia), , 800 C - 1200 C, CO2 , 2-7%CO2, (700C -1200C).
, 1450C ( 1800C, ), , , , 0,5 % CO2.    

, , , . 
(MgO, .. 2800C), ( ), .   .

, , . (Cr2O3+Al2O3>57% Cr2O3>30%) - , .
, , (CaCO3.MgCO3), (Mg2SiO4),  (H4Mg3Si2O9), (H2Mg3Si4O12), MgO .
, , , , , , , , ...
:
- 90% Mg Al, Zn, Mn .
- 10-30% Al 90-70% Mg.
- 0,5-2% Mg Al Si.
  , , Sorel . MgCl2 . , , , , .
. , . MgO>96% >3,2 gr/cm3.




.

. (, , , ) (, , , , ). (, ), (), , .
500.000 tn.




. , , 0,1m - 1,5m stockworks     4 cm - 40 cm. . MgCO3 10%, . , , , (2,8gr*/cm3-3,1gr*/cm3) CaCO3 SiO2 , 2,5 gr*/cm3-2,7 gr*/cm3.


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