Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1984-02-23
1987-08-18
Dixon, Jr., William R.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44 52, 44 56, 252351, 122 4D, 122 31R, 431 4, 431 8, C10L 132
Patent
active
046874917
ABSTRACT:
Disclosed is a catalytic combustor and systems for the boilerless stoichiometric production of a working fluid such as steam from a burn-mixture comprised of a carbonaceous fuel and a diluent. In a preferred burn-mixture, the diluent includes a first portion taken from an emulsion of the fuel and water mixed in a thermally self-extinguishing mass ratio, and a second portion taken in an amount from combustion products of a mixture previously combusted to heat the resulting burn-mixture so it combusts in the presence of a catalyst at an adiabatic flame temperature between upper and lower stability limits of the catalyst. Production of the steam is by a controlled substantially stoichiometric process utilizing a combustor to provide steam over a wide range of heat release rates, temperatures and pressures for steam flooding an oil bearing formation. Even though formation characteristics change during a steam flooding operation, output steam of the combustor may be kept at a constant heat release rate by dividing the total amount of water passing through combustor between a first portion which is included in the fuel-mixture and a second portion which is injected into the heated products of combustion. In this way, the linear velocity of the fluid stream passing through the combustor catalyst may be kept within operational limits of the catalyst while maintaining stoichiometric combustion. When necessary, preheating of at least one of the components of the mixture burned in the catalyst is provided by a portion of the heat of combustion.
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Dixon Jr. William R.
Dresser Industries Inc.
Medley Margaret B.
Peoples William R.
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