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Pyrolysis of Napier Grass in a Fixed Bed Reactor : effect of operating conditions on product yields and characteristics

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Fig. 1. Fixed bed pyrolysis System; (A) nitrogen cylinder; (B) pressure gauge; (C) nitrogen flow meter; (D) data logger connected to PC; (E) K-type thermocouple; (F) tubular furnace; (G) packed bed; (H) alumina tube; (I) furnace control button; (J) condenser connected to chiller with water inflow and outflow; (K) oil collector; (L) gas scrubber; (M) gas analyzer; (N) non-condensable gas discharge
Fig. 2.  Residual mass ratio and DTG of Napier grass Stem (NGS) on dry basis; (a) extractives; (b) hemicellulose; (c) cellulose; and (d) lignin decompositions, respectively
Fig. 3.  Effect of nitrogen flow rate on pyrolysis products distribution of NGS. Biommas condition: bone dry, 0.2 to2 mm particle size; heating rate: 30 oC/min; reaction temperature: 550 oC
Fig. 4.  Effect of reaction temperature on pyrolysis products distribution of NGS. Biomass condition: bone dry, 0.2 to 2 mm particle size; heating rate: 30 °C/min, nitrogen flow rate: 30 mL/min
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