Layered double hydroxide-derived catalyst of Zn-Ni-Al-Fe-O for hydrogen production via auto-thermal reforming of acetic acid

Highly Efficient Al-Doped Ni–Mn–O Catalysts for Auto-Thermal Reforming of Acetic Acid: Role of MnAl2O4 for Stability of Ni Species

“…11,15 Among these ways, the ATR process combines the merits of SR and CPOX, balances reaction heat without significant compromise of hydrogen yield, and has attracted extensive attention for hydrogen production. 16−19 During the process of ATR of HAc, Ni-based catalysts have been found to be effective for the activation and cleavage of bonds of C−C and C−H in HAc, 5,20,21 which are crucial for H 2 formation. The possible transformation route for HAc over Ni-based catalysts (eqs 4−6) was then studied by researchers, as pointed out by Wang and Ran: 22,23 the HAc molecule is initially dehydrogenated to CH 3 COO*, 24 deoxygenated to CH 3 CO*, decarbonylated to CH 3 *, and then can be converted to the byproduct of CH 3 COCH 3 (eq 7) 12 or, further transformed to C* species (eqs 8 and 9).…”

“…During the process of ATR of HAc, Ni-based catalysts have been found to be effective for the activation and cleavage of bonds of C–C and C–H in HAc, ,, which are crucial for H 2 formation. The possible transformation route for HAc over Ni-based catalysts (eqs –) was then studied by researchers, as pointed out by Wang and Ran: , the HAc molecule is initially dehydrogenated to CH 3 COO*, deoxygenated to CH 3 CO*, decarbonylated to CH 3 * , and then can be converted to the byproduct of CH 3 COCH 3 (eq ) or, further transformed to C* species (eqs and ). , The C* species can be gasified or accumulate as coke on the catalyst surface, resulting in the blockage of active sites and deactivation of catalysts…”