Systems and methods for exchanging heat in a gasification system
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United States of America Patent
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Aug 12, 2014
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app pub date -
Dec 30, 2010
filing date -
Dec 30, 2010
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Abstract
Systems and methods for exchanging heat in a gasification system are provided. The method can include introducing one or more particulates and a heat transfer medium including a feed water, a deaerated feed water, or a combination thereof, to a first zone. The method can also include indirectly exchanging heat from the one or more particulates to the heat transfer medium within the first zone to provide an intermediate heat transfer medium and cooled particulates. The method can also include introducing at least a portion of the intermediate heat transfer medium and a syngas to a second zone. The method can also include indirectly exchanging heat from the syngas to the intermediate heat transfer medium within the second zone to provide a heat transfer medium product and a cooled syngas. The heat transfer medium product can include steam.
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