“…Carbonaceous materials, like activated carbons, carbon blacks, carbon fibers, carbon spheres, carbon nanotubes, mesoporous carbons, carbon aerosols and xerogels, benefits from their superb absorption capability and environmentally benignity as supports. (Ikhlaq et al, 2014(Ikhlaq et al, , 2015Rodríguez-reinoso, 1998;Shahidi et al, 2015) Moreover, carbon could also function as a metal-free catalyst on its own. Pirkanniemi et.…”