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Synthetic Rutile
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- Synthetic rutile was
first produced in 1948 and is sold under a variety of names.
- Very pure synthetic
rutile is transparent and almost colorless (slightly yellow) in
large pieces.
- Synthetic rutile can
be made in a variety of colors by doping, although the purest
material is almost colorless.
- The chemical formula
of synthetic rutile is TiO2, and it crystallizes in the tetragonal
system in boules similar to those of synthetic corundum.
- Synthetic rutile
(TiO2) is manufactured through the upgrading of ilmenite ore to
remove impurities (mostly iron) and yield a feedstock for production
of titanium tetrachloride through the chloride process.
- Synthetic rutile is
used for coating welding electrodes and for manufacture of titanium
tetrachloride which in turn is used in making titanium sponge.
- Synthetic rutile made
from ilmenite can be substituted for natural rutile.
- Two commercial systems
are in current use for production of the world's synthetic rutile,
namely: The well-documented Becher process, as used extensively in
Western Australia, and The Benilite process, used in India, Malaysia
and the USA, which involves leaching treated ilmenite with hot
hydrochloric acid under pressure.
- The process of
converting ilmenite to synthetic rutile generates 0.7 tons of waste
per ton of product, and the chloride process generates about 0.2
tons of waste per ton of TiO2 product using rutile as a feedstock.
- Kerr-McGee Chemical
Corporation has produced synthetic rutile at its Mobile, Alabama
plant; it is the only U.S. producer of synthetic rutile today.
- Iluka is the world’s
largest producer of synthetic rutile, accounting for approximately
66% of global production in past years.
Entrepreneur who want the information such as
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Primary Information Services
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