WASTE HEAT RECOVERY IN CRUDE PROCESSING FOR INCREASING HYDROCARBON YIELD AND REDUCING EMISSIONS
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 18, 2023
filing date -
Sep 18, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
Low grade waste heat is captured in a gas-oil separation plant (GOSP). Heat is transferred from a first hydrocarbon gas stream to a first portion of a mixed refrigerant stream to vaporize the first portion. Heat is transferred from a first portion of a mixture of the first hydrocarbon gas stream and a second hydrocarbon gas stream to a second portion of the mixed refrigerant stream to vaporize the second portion. Heat is transferred from a second portion of the mixture to a third portion of the mixed refrigerant stream to vaporize the third portion. A combined stream, including the vaporized first, second, and third portions, is flowed through a turbine-generator. Flowing the combined stream through the turbine-generator causes a rotor of the turbine-generator to rotate. Electrical power is generated in response to rotation of the rotor. The combined stream is condensed to reform the mixed refrigerant stream.
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