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Information @ a Glance     

 General        

  • Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula TiO2, When used as a pigment, it is called titanium white, Pigment White 6.
  • Titanium dioxide is obtained from a variety of ores that contain ilmenite, rutile, anatase and leucoxene, which are mined from deposits located throughout the world.
  •  It is noteworthy for its wide range of applications, from paint to sunscreen to food colouring.

Process

  • Titanium dioxide occurs in nature as the well-known naturally occurring minerals rutile, anatase and brookite.
  •  The most common form is rutile, which is also the most stable form.
  • Most titanium dioxide pigment is produced from titanium mineral concentrates by the chloride or sulfate process, either as the rutile or the anatase form.
  • Anatase and brookite both convert to rutile upon heating. Rutile, anatase and brookite all contain 6 coordinate titanium. Additionally there are three metastable forms produced synthetically and five high pressure forms

Technology

  • TiO2 to absorb energy from the UV end of the solar spectrum and then react with water vapor to produce oxygen could be used to create surfaces that were, for all practical purposes, self-cleaning.

  • The non-porous films are synthesized by a modified sol-gel method employing a mixture of titania sol and colloidal TiO2 particles to immobilize commercially available TiO2 powder nano particles.

Market

  • The per capita consumption of titanium dioxide in USA is about 3.4 Kg.

  • The consumption in Asia-Pacific region is about 0.2 Kg.

  • The Indian consumption, however, is extremely low at less than 0.05 Kg.

  • Titanium dioxide is produced and marketed in two grades, They are Rutile and Anatase.

  • Rutile has close packed structure whereas Anatase has,  more open structure.

Application

  • Pigmentary and ultra fine titanium dioxide were tested for carcinogenicity by oral administration in mice and rats.
  • Titanium dioxide (TiO2) is a multifaceted compound, Itís the stuff that makes toothpaste white and paint opaque.

  • TiO2 to make self-cleaning ceramic tiles for use in hospitals, public restrooms, and other settings where cleanliness is vitally important, as well as on hard-to-reach rooftops, where simple sunlight and rainwater can help prolong the life of the roof.

  • Titanium Dioxide is  used as extensively in paint, paper, plastic and other industries.

  • High  purity titanium dioxide is an important electronic material.

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