METHODS FOR OPERATING A FURNACE
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Abstract
A method for combusting fuel in the presence of an alkali-containing material may include introducing fuel into a furnace configured to combust the fuel. The method may also include introducing ball clay having a moisture content of at least about 5% by weight into the furnace, and heating at least a portion of the fuel and ball clay, such that at least a portion of the ball clay is at least partially calcined, and the at least partially calcined ball clay adsorbs at least a portion of alkali present in the furnace.
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Citations
87 Claims
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1-67. -67. (canceled)
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68. A method for combusting fuel in the presence of an alkali-containing material, the method comprising:
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introducing fuel into a furnace configured to combust the fuel; introducing ball clay having a moisture content of at least about 5% by weight into the furnace; and heating at least a portion of the fuel and ball clay, such that at least a portion of the ball clay is at least partially calcined and the at least partially calcined ball clay adsorbs at least a portion of alkali present in the furnace. - View Dependent Claims (69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85)
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86. A method for combusting fuel in the presence of an alkali-containing material, the method comprising:
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introducing fuel and calcium carbonate into a furnace configured to combust the fuel; introducing ball clay having a moisture content of at least about 5% by weight into the furnace; and heating at least a portion of the fuel, calcium carbonate, and ball clay, such that at least a portion of the ball clay is at least partially calcined and the at least partially calcined clay adsorbs at least a portion of alkali present in the furnace.
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87. A method for operating a fluidized-bed reactor, the method comprising:
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introducing an alkali-containing material into a fluidized-bed reactor; introducing ball clay into the fluidized-bed reactor, the ball clay having a moisture content of at least about 5% by weight; heating at least a portion of the alkali-containing material and ball clay, such that at least a portion of the ball clay is at least partially calcined and the at least partially calcined clay adsorbs at least a portion of alkali present in the fluidized-bed reactor; and removing at least a portion of the at least partially calcined clay and adsorbed alkali from the fluidized-bed reactor.
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Specification