Reduced-emissions combustion utilizing multiple-component...

Details Reduced-emissions combustion utilizing multiple-component... Reduced-emissions combustion utilizing multiple-component...

2005-09-27

2005-09-27

Basichas, Alfred (Department: 3749)

Combustion

Process of combustion or burner operation

C431S003000, C431S004000, C044S321000, C123S00100A

Reexamination Certificate

active

06948926

ABSTRACT:
Residual fuels, as well as lighter distillate fuels, are combusted with greater efficiency by utilizing low concentrations of specific bimetallic or trimetallic fuel-borne catalysts. The catalysts reduce fouling of heat transfer surfaces by unburned carbon while limiting the amount of secondary additive ash which may itself cause overloading of particulate collector devices or emissions of toxic ultra fine particles when used in forms and quantities typically employed. By utilizing a fuel containing a fuel-soluble catalyst comprised of platinum and at least one additional metal comprising cerium and/or iron, production of pollutants of the type generated by incomplete combustion is reduced. Ultra low levels of nontoxic metal combustion catalysts are able to be employed for improved heat recovery and lower emissions of regulated pollutants.

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