Energy recovery during expansion of compressed gas using power plant low-quality heat sources
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United States of America Patent
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Mar 7, 2006
Grant Date -
N/A
app pub date -
Dec 4, 2002
filing date -
Dec 4, 2002
priority date (Note) -
Expired
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Abstract
A method of recovering energy from a cool compressed gas, compressed liquid, vapor, or supercritical fluid is disclosed which includes incrementally expanding the compressed gas, compressed liquid, vapor, or supercritical fluid through a plurality of expansion engines and heating the gas, vapor, compressed liquid, or supercritical fluid entering at least one of the expansion engines with a low quality heat source. Expansion engines such as turbines and multiple expansions with heating are disclosed.
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