“…This number derived from the elemental compositions of khat discarded is equivalent to the basic composition of this sample's variety of biomass and municipal solid waste [ 1 ]. When assessing the values of different literary works, such as those of carbon, hydrogen, Oxygen, nitrogen, and sulfur, 43.8, 6.2, 42.64, 0.44, and 0.09, respectively [ 40 , 43 ]. The final analysis refers to the essential elements of biomass, including C, H, N, O, and S. Compared to other components.…”