Process for the production of titanium dioxide pigments
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United States of America Patent
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Jan 10, 1989
Grant Date -
N/A
app pub date -
Aug 24, 1987
filing date -
Sep 5, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Energy required for the calcining or drying operations in the production of titanium dioxide by the sulfate process and the chloride process is at least in part provided by burning by-product offgases containing carbon monoxide obtained in the chlorination of titanium-containing raw materials under reducing conditions.
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