Abstract: The present invention provides a method of making a carbon electrode, suitable for use as an anode in an aluminum reduction cell, which comprises mixing an aggregate, comprising a mixture of particulate shot coke, and a particulate carbonaceous material other than shot coke with coal tar pitch or petroleum pitch or a combination of these pitches at an elevated temperature to form a paste wherein said aggregate comprises a combination of butts, coarse, and fine particles and said particulate shot coke may comprise a majority of said coarse particles or fine particles, and said paste comprises from about 80 to about 90%, by weight, of said aggregate and from about 10 to about 20%, by weight, of said pitch; forming said paste into a solid body; and baking said solid body at an elevated temperature to form said carbon electrode.

Abstract: The present invention provides a method of making a carbon electrode, suitable for use as an anode in an aluminum reduction cell, which comprises mixing an aggregate, comprising a mixture of particulate shot coke, and a particulate carbonaceous material other than shot coke with coal tar pitch or petroleum pitch or a combination of these pitches at an elevated temperature to form a paste wherein said aggregate comprises a combination of coarse, medium, and fine particles and said particulate shot coke may comprise a majority of said fine particles, and said paste comprises from about 80 to about 90%, by weight, of said aggregate and from about 10 to about 20%, by weight, of said pitch; forming said paste into a solid body; and baking said solid body at an elevated temperature to form said carbon electrode.

Abstract: The present invention provides a bake carbon flue straightener for straightening a flue wall of an anode baking surface from a deformed or bowed position to a straight or normal position. The flue straightener includes a plurality of remotely controlled and independently actuated hydraulic cylinders mounted on a plurality of elevations space apart at equal distances from each other, a steel frame for supporting hydraulic cylinders, such that each of the elevations of the hydraulic cylinders are coupled to a continuous length of extendable solid push plates for extending the push plates to the deformed or bowed flue wall so as to push or straighten with equally distributed forces the deformed or bowed flue wall back to the straight or normal position.