In reverse water gas shift (RWGS) reaction CO

2

is converted to CO which in turn can be used to produce beneficial chemicals such as methanol. In the present study

Mo/Al

2

O

3

Fe/Al

2

O

3

and Fe-Mo/Al

2

O

3

catalysts were synthesised using impregnation method. The structures of catalysts were studied using X-ray diffraction (XRD)

Brunauer-Emmett-Teller (BET) method

inductively coupled plasma atomic emission spectrometer (ICP-AES)

temperature programmed reduction (H

2

-TPR)

CO chemisorption

energy dispersive X-ray (EDX) and scanning electron microscopy (SEM) techniques. Kinetic properties of all catalysts were investigated in a batch reactor for RWGS reaction. The results indicated that Mo existence in structure of Fe-Mo/Al

2

O

3

catalyst enhances its activity as compared to Fe/Al

2

O

3

. This enhancement is probably due to better Fe dispersion and smaller particle size of Fe species. Stability test of Fe-Mo/Al

2

O

3

catalyst was carried out in a fixed bed reactor and a high CO yield for 60 h of time on stream was demonstrated. Fe

2

(MoO

4

)

3

phase was found in the structures of fresh and used catalysts. TPR results also indicate that Fe

2

(MoO

4

)

3

phase has low reducibility

therefore the Fe

2

(MoO

4

)

3

phase

signifificantly inhibits the reduction of the remaining Fe oxides in the catalyst

resulted in high stability of Fe-Mo/Al

2

O

3

catalyst. Overall

this study introduces Fe-Mo/Al

2

O

3

as a novel catalyst with high CO yield

almost no by-products and fairly stable for RWGS reaction.