Method for preparing dry collected fume for use in metallurgical furnaces
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United States of America
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Jan 20, 1981
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N/A
app pub date -
May 5, 1978
filing date -
May 5, 1978
priority date (Note) -
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Abstract
A method for preparing strong, stable 'green' balls of dry-collected iron-bearing fume, which contains not less than about 8% combined amount of lime (CaO) and magnesia (MgO). The fume is charged to a balling device where there is added to the fume a quantity of water equal to both the stoichiometric amount required to completely hydrate such lime and magnesia and to produce in the 'green' balls a water content between about 7%-12%. The residence time of the fume on the balling device is not less than about 8 minutes.
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