Catalytic system and process for the production of hydrogen
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United States of America Patent
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Issued Date -
Aug 5, 2004
app pub date -
Feb 2, 2004
filing date -
Feb 5, 2003
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Abandoned
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Abstract
Catalytic system for the production of hydrogen consisting of an active component based on iron and a micro-spheroidal carrier based on alumina and represented by the following formula [Fe.sub.x1M.sub.x2Q.sub.x3D.sub.x4Al.sub.x5]O.sub.y wherein xi with i=1.5 represent the atomic percentages assuming values which satisfy the equation .SIGMA.xi=100. y is the value required by the oxidation number with which the components are present in the formulate, x1 is the atomic percentage with which Fe is present in the formulate and ranges from 5 to 80, preferably from 20 to 50, M is Cr and/or Mn, x2 ranges from 0 to 30, preferably from 0 to 10, Q is La, Lanthanides (with Ce particularly preferred), Zr or a combination thereof, x3 ranges from 0 to 30, preferably from 0 to 10, D is Mg, Ca, Ba, Co, Ni, Cu, Zn or combinations thereof, x4 ranges from 0 to 35, preferably from 5 to 25, x5 is the atomic percentage with which Al is present in the formulate and ranges from 20 to 95, preferably from 50 to 80.
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