Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system
AssigneeEthyl Petroleum Additives, Inc.
InventorsStephen A. Factor, Joseph W. Roos, Allen A. Aradi
Life of this patent
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Abstract
A hydrocarbonaceous fuel additive, fuel composition, and method all lower both carbon particulate emissions and improve slag properties in combustion systems including, for instance, utility furnaces and boiler systems. The mixed metal catalyst may include a transition metal-containing compound, an alkali metal compound, and a magnesium-containing compound.
Claims15
A hydrocarbonaceous fuel additive for a fuel composition comprising:
- a manganese-containing organometallic compound wherein the manganese-containing compound is selected from the following group:
- cyclopentadienyl manganese tricarbonyl, methylcyclopentadienyl manganese tricarbonyl, dimethylcyclopentadienyl manganese tricarbonyl, trimethylcyclopentadienyl manganese tricarbonyl, tetramethykyclopentadienyl manganese tricarbonyl, pentamethylcyclopentadienyl manganese tricarbonyl, ethylcyclopentadienyl manganese tricarbonyl, diethylcyclopentadienyl manganese tricarbonyl, propylcyclopentadienyl manganese tricarbonyl, isopropylcyclopentadienyl manganese tricarbonyl, tert-butylcyclopentadienyl manganese tricarbonyl, octylcyclopentadienyl manganese tricarbonyl, dodecylcyclopentadienyl manganese tricarbonyl, ethylmethylcyclopentadienyl manganese tricarbonyl, indenyl manganese tricarbonyl, and mixtures of two or more such compounds;
- an alkali metal compound;
- and
- a magnesium-containing compound, wherein the magnesium-containing compound is supplied in an amount sufficient to supply about 60 to 600 ppm of magnesium metal to the fuel composition.
A fuel composition which comprises a major amount of hydrocarbonaceous fuel and minor amount of an additive, the additive comprising:
- a manganese-containing organometallic compound wherein the manganese-containing compound is selected from the following group:
- cyclopentadienyl manganese tricarbonyl, methylcyclopentadienyl manganese tricarbonyl, dimethylcyclopentadienyl manganese tricarbonyl, trimethylcyclopentadienyl manganese tricarbonyl, tetramethylcyclopentadienyl manganese tricarbonyl, pentamethylcyclopentadienyl manganese tricarbonyl, ethylcyclopentadienyl manganese tricarbonyl, diethylcyclopentadienyl manganese tricarbonyl, propylcyclopentadienyl manganese tricarbonyl, isopropylcyclopentadienyl manganese tricarbonyl, tert-butylcyclopentadienyl manganese tricarbonyl, octylcyclopentadienyl manganese tricarbonyl, dodecylcyclopentadienyl manganese tricarbonyl, ethylmethylcyclopentadienyl manganese tricarbonyl, indenyl manganese tricarbonyl, and mixtures of two or more such compounds;
- an alkali metal compound;
- and
- a magnesium-containing compound, wherein the magnesium-containing compound is supplied in an amount sufficient to supply about 60 to 600 ppm of magnesium metal to the fuel composition.
A hydrocarbonaceous fuel additive comprising:
- methylcyclopentadienyl manganese tricarbonyl;
- an alkali metal compound;
- and
- a magnesium-containing compound, wherein the magnesium-containing compound is supplied in an amount sufficient to supply about 60 to 600 ppm of magnesium metal to the fuel composition.
Dependencies are inferred from the claim text.