Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Reexamination Certificate
2000-09-15
2004-04-13
Hendrickson, Stuart L. (Department: 1754)
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
C264S029300
Reexamination Certificate
active
06719956
ABSTRACT:
TECHNICAL FIELD OF THE INVENTION
Field of the Invention
The Invention is directed to the production of carbonaceous materials, particularly to a product formed from a base carbonaceous feed material (virgin or refuse) and a blend of materials that form feed modifiers, and to its method of manufacture.
DESCRIPTION OF THE INVENTION BACKGROUND
Background of the Invention
It is well known in the metallurgical arts to use coke and other carbon-based fuels as reductants, energy sources, reactive agents, and fillers in industrial processes: for example, the smelting of ores. Typically, the formation process for these fuels and carbon sources begins with a virgin metallurgical coal, such as bituminous coal, that is then heated by conduction methods for long hours (20 or more) at high temperatures of 2200° F. or higher.
SUMMARY OF THE INVENTION
A carbonaceous material and a process of making the carbonaceous material is provided. A particulate of partially pyrolyzed carbon (PPC) base is formed on heating a carbon-containing feed material and a nucleating agent in the form of a interactive filler is included. The nucleating agent is adhered together to the PPC particles by application of heat.
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Bansal Vibha
Gaur Siddhartha
Haynes & Boone LLP.
Hendrickson Stuart L.
Montgomery John W.
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