Fig. 2
From: Urea enhances the yield and quality of bio-oil produced from corncob through pyrolysis

Pyrolysis Process. (a) Weighing feedstock (b) Feedstock in reactor (c) Complete reactor setup (d) Assembled reactor (e) Nitrogen gas cylinder and control valve (f) Oil collector during pyrolysis (g) Separation of aqueous and organic fractions (h) Aqueous and organic fractions.