Pressure swing adsorption process and pressure swing adsorption apparatus
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United States of America Patent
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Mar 2, 2021
Grant Date -
May 23, 2019
app pub date -
Nov 16, 2018
filing date -
Nov 17, 2017
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Abstract
According to an exemplary embodiment of the present invention, a pressure swing adsorption process of a hydrogen production system is provided. The hydrogen production system includes a desulfurization process for removing sulfur components from raw natural gas; a reforming reaction process for producing a reformed gas containing hydrogen generated by the reaction of natural gas through the desulfurization process and steam; and a pressure swing adsorption process of concentrating the hydrogen using a pressure swing adsorption from the reformed gas. In a desorption step of the pressure swing adsorption process, a cocurrent depressurization and a countercurrent depressurization are simultaneously performed.
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