Compositions and methods for improved handling and combustion of petroleum pitch
AssigneeMarathon Petroleum Company LP
InventorJeffrey Allen Nicholson
Life of this patent
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Abstract
This alternative fuel is a reclaimed waste product which has a solid, particulate consistency at ambient temperature. The fuel comprises a composite of petroleum pitch and a powder coating. The powder coating penetrates into the surface of the pitch. The powder coating is recycled ash, pulverized coal, or pulverized petroleum coke.
Claims7
A method of utilizing a petroleum pitch fuel with a recyclable powder coating, the method comprising:
- applying a recyclable powder ash coating positioned to coat an outer surface of a plurality of selected petroleum pitch forms and at least partially penetrate the outer surface of the petroleum pitch forms during solidification, to produce a penetrated ash coated petroleum pitch form;
- providing the penetrated ash coated petroleum pitch form as a combustion fuel;
- combusting the penetrated ash coated petroleum pitch form either singly or in combination with coal;
- reclaiming the recyclable powder ash coating as a reclaimed ash;
- and
- applying the reclaimed ash as the recyclable powder ash coating to the outer surface of a plurality of selected petroleum pitch forms, thereby to produce less total ash when combusting recyclable powder coated petroleum pitch fuel.
A method of utilizing a petroleum pitch fuel with a recyclable powder coating, the method comprising:
- applying a recyclable powder ash coating positioned to coat an outer surface of a plurality of selected petroleum pitch forms and at least partially penetrate the outer surface of the petroleum pitch forms during solidification, thereby to produce a penetrated ash coated petroleum pitch form, the penetrated ash coated petroleum pitch form also including a solvent deasphalted petroleum pitch;
- providing the penetrated ash coated petroleum pitch form as a combustion fuel;
- combusting the penetrated ash coated petroleum pitch form either singly or in combination with coal;
- reclaiming the recyclable powder ash coating as a reclaimed ash;
- and
- applying the reclaimed ash as the recyclable powder ash coating to the outer surface of a plurality of selected petroleum pitch forms, thereby to produce less total ash when combusting recyclable powder coated petroleum pitch fuel, the recyclable powder ash coating comprising one or more of a recycled ash, a recycled waste ash, a reclaimed ash or a coal ash.
A method of utilizing a petroleum pitch fuel with a recyclable powder coating, the method comprising:
- applying a recyclable powder ash coating positioned to coat an outer surface of a plurality of selected petroleum pitch forms and at least partially penetrate the outer surface of the petroleum pitch forms during solidification, thereby to produce a penetrated ash coated petroleum pitch form, each of the selected petroleum pitch forms of the fuel comprises one or more of a pastille, a briquette, or a flake;
- providing the penetrated ash coated petroleum pitch form as a combustion fuel;
- combusting the penetrated ash coated petroleum pitch form either singly or in combination with coal;
- reclaiming the recyclable powder ash coating as a reclaimed ash;
- and
- applying the reclaimed ash as the recyclable powder ash coating to the outer surface of a plurality of selected petroleum pitch forms, thereby to produce less total ash when combusting recyclable powder coated petroleum pitch fuel, the recyclable powder ash coating comprises one or more of a recycled ash, a powdered ash, a recycled waste ash, a reclaimed ash, or a coal ash.
Dependencies are inferred from the claim text.