Fig. 5From: Harnessing the potential of pigeonpea and maize feedstock biochar for carbon sequestration, energy generation, and environmental sustainabilityEffect of pyrolysis conditions on energy densification (Ed) (a), Energy retention efficiency (b), fixed carbon densification (FCd) (c), HHV Improvement (d), FC recovery efficiency (FCre) (e), and fuel ratio (Fr) (f), and higher heating value (HHV) (g)Back to article page