| abstract |
The present invention relates to an adsorbent for removing impurities from a gas stream comprising water, in particular an adsorbent for use in fuel cell systems, wherein the adsorbent is selected from Cu, Fe, Zn, Ni, Co, Mn, Mg, Ba, A pore volume of less than 0.175 ml g -1 for pores with oxides of copper oxide content of at least 30% by weight and containing oxides of elements selected from the group consisting of Zr, Ce, La or a combination of these elements; Has |