Methods and systems for separating olefins
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United States of America Patent
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Sep 8, 2020
Grant Date -
Sep 18, 2014
app pub date -
Mar 13, 2014
filing date -
Mar 14, 2013
priority date (Note) -
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Abstract
Systems and methods for separating one or more olefins are provided. In one or more embodiments, the method for separating one or more olefins can include separating at least a portion of one or more C3 and heavier hydrocarbons from a hydrocarbon containing C1 to C20 hydrocarbons to provide a first mixture that can include methane, ethane, ethylene, and/or acetylene. At least a portion of the first mixture can be hydrogenated to convert at least a portion of the acetylene to ethane and ethylene. At least a portion of the methane can be separated from the hydrogenated mixture to provide a second mixture that can include ethane and ethylene. At least a portion of the ethylene can be separated from the second mixture to provide a first product that can include at least 95 mol % ethylene and a second product that can include at least 95 mol % ethane.
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