Production of partially calcined carbonaceous reductant using steam
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United States of America Patent
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Jun 6, 1989
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N/A
app pub date -
Dec 21, 1984
filing date -
Dec 21, 1984
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Expired
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Abstract
A process for producing an improved solid carbon reductant, which contains relatively low amounts of residual hydrocarbons and a high surface area. This improved reductant is produced by a method comprising heating carbonaceous material, such as petroleum coke, with steam in either reducing or oxidizing atmosphere to a temperature of from about 650.degree. C. to about 1150.degree. C. Using the improved reductant during chlorination of aluminous materials and metal or metalloid oxides will result in reducing the level of chlorinated hydrocarbon (C.sub.x Cl.sub.y) production due to residual hydrogen and/or hydrocarbons.
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