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Titanium Bars Melting Method
Preparation of metal titanium raw materials mainly rutile,
which contains more than 96% TiO2. The lack of rutile
countries, such as the Soviet Union, is made of ilmenite
"high titanium slag", which contains about 90% TiO2.
Due to natural rutile prices and reserves decreased,
countries tend to use titanium oxide made of titanium
material, that is, high titanium slag and artificial rutile.
Preparationof titaniumprocess
Titanium was discovered in 1791, and the first pure
titanium was made in 1910, the middle experienced a
hundred years. The reason is: titanium in the nature of
the very lively, very easy and oxygen, nitrogen, carbon
and other elements of the combination, to extract pure
titanium needs very harsh conditions.
Industrial commonly used sulfuric acid decomposition of
ilmenite method of preparation of titanium dioxide,
titanium dioxide and then made from titanium.
Concentrated sulfuric acid treatment of ground ilmenite
(concentrate), the following chemical reactions occur:
FeTiO3+3H2SO4 == Ti(SO4)2+FeSO4+3H2O
FeTiO3+2H2SO4 == TiOSO4+FeSO4+2H2O
FeO+H2SO4 == FeSO4+H2O
Fe2O3+3H2SO4 ==Fe2(SO4)3+3H2O
In order to remove the impurity Fe2 (SO4) 3, iron is
added, Fe3 + is reduced to Fe2 +, and the solution is
cooled to below 273K, so that FeSO4.7H2O (green alum)
is crystallized as a by-product.
Ti (SO4) 2 and TiOSO4 hydrolysis precipitation of white
metatitanate precipitation, the reaction is:
Ti (SO4) 2 + H2O == TiOSO4 + H2SO4
TiOSO4 + 2H2O == H2TiO3 + H2SO4
Calcined metatitanic acid that is made of titanium
dioxide:
H2TiO3 == TiO2 + H2O
Titanium tetrachloride is reduced by metal thermal
reduction using metallic titanium. The TiO2 (or natural
rutile) and carbon powder mixed heating to 1000 ~
1100K, chlorination treatment, and the formation of
TiCl4, steam condensation.
TiO2 + 2C + 2Cl2 = TiCl4 + 2CO
In the 1070K with molten magnesium in argon to reduce
the TiCl4 available porous titanium sponge:
TiCl4 + 2Mg = 2MgCl2 + Ti
This titanium sponge after crushing, into the vacuum arc
furnace smelting, and finally made a variety of titanium.
It can also be reacted: Ti + 2CI2 = TiCI4
The resulting TiCI4 is decomposed by high temperature
(about 1250 ° C)
TiCI4 = Ti + 2CI2
Thereby obtaining a pure titanium rod.

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Titanium bars melting method

  • 1. Titanium Bars Melting Method Preparation of metal titanium raw materials mainly rutile, which contains more than 96% TiO2. The lack of rutile countries, such as the Soviet Union, is made of ilmenite "high titanium slag", which contains about 90% TiO2. Due to natural rutile prices and reserves decreased, countries tend to use titanium oxide made of titanium material, that is, high titanium slag and artificial rutile.
  • 2. Preparationof titaniumprocess Titanium was discovered in 1791, and the first pure titanium was made in 1910, the middle experienced a hundred years. The reason is: titanium in the nature of the very lively, very easy and oxygen, nitrogen, carbon and other elements of the combination, to extract pure titanium needs very harsh conditions.
  • 3. Industrial commonly used sulfuric acid decomposition of ilmenite method of preparation of titanium dioxide, titanium dioxide and then made from titanium. Concentrated sulfuric acid treatment of ground ilmenite (concentrate), the following chemical reactions occur: FeTiO3+3H2SO4 == Ti(SO4)2+FeSO4+3H2O FeTiO3+2H2SO4 == TiOSO4+FeSO4+2H2O FeO+H2SO4 == FeSO4+H2O Fe2O3+3H2SO4 ==Fe2(SO4)3+3H2O
  • 4. In order to remove the impurity Fe2 (SO4) 3, iron is added, Fe3 + is reduced to Fe2 +, and the solution is cooled to below 273K, so that FeSO4.7H2O (green alum) is crystallized as a by-product. Ti (SO4) 2 and TiOSO4 hydrolysis precipitation of white metatitanate precipitation, the reaction is:
  • 5. Ti (SO4) 2 + H2O == TiOSO4 + H2SO4 TiOSO4 + 2H2O == H2TiO3 + H2SO4 Calcined metatitanic acid that is made of titanium dioxide: H2TiO3 == TiO2 + H2O Titanium tetrachloride is reduced by metal thermal reduction using metallic titanium. The TiO2 (or natural rutile) and carbon powder mixed heating to 1000 ~ 1100K, chlorination treatment, and the formation of TiCl4, steam condensation. TiO2 + 2C + 2Cl2 = TiCl4 + 2CO In the 1070K with molten magnesium in argon to reduce the TiCl4 available porous titanium sponge: TiCl4 + 2Mg = 2MgCl2 + Ti
  • 6. This titanium sponge after crushing, into the vacuum arc furnace smelting, and finally made a variety of titanium. It can also be reacted: Ti + 2CI2 = TiCI4 The resulting TiCI4 is decomposed by high temperature (about 1250 ° C) TiCI4 = Ti + 2CI2 Thereby obtaining a pure titanium rod.