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US 10,577,553 B2Granted
Water based product for treating vanadium rich oils
AssigneeGeneral Electric Company
InventorsMurali Krishna Kalaga, Donald Meskers, Jr., Sundar Amancherla
Life of this patent
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Abstract
Provided are water-based fuel additive compositions that, when combusted with a fuel containing vanadium in a gas turbine, inhibit vanadium hot corrosion in the gas turbine. The water-based fuel additive compositions include at least one rare earth element compound or alkaline earth element compound that retards vanadium corrosion resulting from combustion of vanadium rich fuel.
Claims18
A water-based fuel additive composition for use in a vanadium-containing ash bearing fuel, the composition comprising:
- a first inhibitor and a optional second inhibitor that each retard vanadium corrosion resulting from combustion of the fuel in a combustion apparatus, wherein the first and second inhibitors each, independently, comprise a rare earth element compound, an alkaline earth element compound, or a combination thereof;
- a optional third inhibitor that retards combustion-related contaminant corrosion in the combustion apparatus, wherein the third inhibitor comprises a non-vanadium first row transition metal or main group metal compound;
- a fourth inhibitor that retards non-combustion related corrosion, wherein the fourth inhibitor comprises a fatty amine, an imidazole, a substituted imidazole, or any combination thereof;
- an emulsifier;
- an asphaltene dispersant;
- a optional combustion additive that improves combustion of the fuel, wherein the combustion additive comprises a combustion catalyst selected from a compound of iron, cerium, copper, manganese, magnesium, or any combination thereof;
- and
- a pH control agent.
5 more elements
A combustible composition comprising:
- an ash bearing fuel comprising vanadium;
- and
- a water-based fuel additive composition, wherein the water-based fuel additive composition comprises:
- a first inhibitor and a optional second inhibitor that each retard vanadium corrosion resulting from combustion of the fuel in a combustion apparatus, wherein the first and second inhibitors each, independently, comprise a rare earth element compound, an alkaline earth element compound, or a combination thereof;
- a optional third inhibitor that retards combustion-related contaminant corrosion in the combustion apparatus, wherein the third inhibitor comprises a non-vanadium first row transition metal or main group metal compound;
- a fourth inhibitor that retards non-combustion related corrosion, wherein the fourth inhibitor comprises a fatty amine, an imidazole, a substituted imidazole, or any combination thereof;
- an emulsifier;
- an asphaltene dispersant;
- a optional combustion additive that improves combustion of the fuel, wherein the combustion additive comprises a combustion catalyst selected from a compound of iron, cerium, copper, manganese, magnesium, or any combination thereof;
- and
- a pH control agent.
8 more elements
A method for reducing vanadium corrosion when operating a combustion apparatus comprising:
- combusting in a combustion apparatus a combustion mixture comprising an ash bearing fuel including vanadium and a water-based fuel additive composition, wherein the water-based fuel additive composition comprises:
- a first inhibitor and a optional second inhibitor that each retard vanadium corrosion resulting from combustion of the fuel in a combustion apparatus, wherein the first and second inhibitors each, independently, comprise a rare earth element compound, an alkaline earth element compound, or a combination thereof;
- a optional third inhibitor that retards combustion-related contaminant corrosion in the combustion apparatus, wherein the third inhibitor comprises a non-vanadium first row transition metal or main group metal compound;
- a fourth inhibitor that retards non-combustion related corrosion, wherein the fourth inhibitor comprises a fatty amine, an imidazole, a substituted imidazole, or any combination thereof;
- an emulsifier;
- an asphaltene dispersant;
- a optional combustion additive that improves combustion of the fuel, wherein the combustion additive comprises a combustion catalyst selected from a compound of iron, cerium, copper, manganese, magnesium, or any combination thereof;
- and
- a pH control agent.
6 more elements
Dependencies are inferred from the claim text.