Cs promoted Ni/ZrO2-Al2O3 catalysts for dry reforming of methane: Promotional effects of Cs for enhanced catalytic activity and stability oleh Abdulaziz A.M. Abahussain, Ahmed S. Al-Fatesh, Sunit K. Singh, Ghzzai Almutairi, Anis H. Fakeeha, Ahmed A. Ibrahim, Ahmed E. Abasaeed, Leone Frusteri, Nitin K. Labhasetwar