Pyrolysis of groundnut de-oiled cake and characterization of the liquid product

► This paper highlights the chemical recycling of groundnut de-oiled cake by thermal pyrolysis. ► Utilization of agricultural and industrial wastes. ► Production of the bio-oil from biomass. ► The results of thermal pyrolysis of de-oiled cakes carried out by different researchers. ► Suitability of liquid product obtained after thermal pyrolysis of groundnut de-oiled cake as an alternate fuel.