Process for the removal of gaseous impurities from a stream...

Details Process for the removal of gaseous impurities from a stream... Process for the removal of gaseous impurities from a stream...

C - Chemistry, Metallurgy

01

B

C01B 3/56 (2006.01) B01D 53/04 (2006.01)

Patent

CA 2137791

A process for the removal of impurities from a stream of hydrogen, containing more easily removable impurities, like for instance COx, and more hardly removable impurities, mainly consisting of nitrogen and methane, wherein: A. Said stream is first brought into contact, at 5- 50°C, with a material containing nickel and/or Ni compounds, wherein at least 1% b.w. of the overall amount of Ni is present in the reduced form; B. The stream from (A), still containing said more hardly removable N2 and CH4, is brought into contact with non-evaporable getter material at a higher temperature.

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