In situ generated Ni(0)@boehmite from NiAl-LDH: An efficient catalyst for selective hydrogenation of biomass derived levulinic acid to γ-valerolactone
Keywords: γ-والرولاکتون; Levulinic acid; γ-valerolactone; Hydrogenation; Nickel; Boehmite; Layered double hydroxides;