High Hydrogen Recovery From Residual Fuels And Biomass
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United States of America Patent
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Issued Date -
Apr 14, 2011
app pub date -
Oct 14, 2009
filing date -
Oct 14, 2009
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Abandoned
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Abstract
A method of high hydrogen recovery from syngas from a gasifier is provided. This method includes providing a syngas stream from the gasifier to first hydrogen separation device, wherein the first hydrogen separation device is a pressure swing adsorption device, thereby producing a first high purity hydrogen stream and a tailgas stream. This method also includes increasing the pressure of the tailgas stream in a first compressor; thereby producing a pressurized tailgas stream. This method also includes providing the pressurized tailgas stream to a second hydrogen separation device, thereby producing a second high purity hydrogen stream and a residue stream. This method also includes directing the residue stream to an auxiliary boiler, and combining the first high purity hydrogen product stream and the second high purity hydrogen product stream, thereby producing a high purity hydrogen product stream.
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