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High Temperature Water Gas Shift Reaction over Nickel Catalysts for Hydrogen Production: Effect of Supports, GHSV, Metal Loading, and Dopant Materials

Agus Haryanto, Sandun D Fernando, S D Filip To, Philip H. Steele, Lester Pordesimo and Sushil Adhikari

The paper presents the recent advances of water-gas shift process using supported nickel catalysts. The effect of different supports, nickel loading, gas hourly space velocity, dopant materials, on the catalyst activity, H2 yield, and H2 selectivity are discussed. Ceria promoted nickel catalyst supported on powder alumina (Ni/CeO2-Al2O3) demonstrated the best performance. The performance of this catalyst was affected by the amount of nickel loading. The addition of small amounts of cobalt or chromium as a dopant material resulted in a considerable increase of the catalyst performance. The prepared catalysts were also compared with a commercial catalyst (Shift Max 120). It was observed that either of the doped or undoped Ni/CeO2-Al2O3 catalysts revealed a much higher performance in term of activity, H2 yield, and H2 selectivity, as compared to a commercial one.