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Table 2 Composition of the solid fraction of pretreated sugar cane bagasse in percentage of dry matter before enzymatic hydrolysis and pH

From: An approach to the utilisation of CO2 as impregnating agent in steam pretreatment of sugar cane bagasse and leaves for ethanol production

Steam pretreatment conditions Glucan Xylan Lignin pH
190°C/5 min 46.9 13.0 26.8 3.9
190°C/5 min/SO2 49.7 3.2 29.2 1.7
190°C/5 min/CO2 43.5 10.6 26.3 3.8
190°C/10 min/CO2 52.0 8.2 27.6 3.7
190°C/15 min/CO2 49.8 12.0 27.6 3.7
205°C/5 min/CO2 53.0 9.5 27.2 3.8
205°C/10 min/CO2 60.5 6.5 29.5 3.5
205°C/15 min/CO2 59.3 4.5 30.8 3.4
220°C/5 min/CO2 59.1 4.0 31.2 3.3
220°C/10 min/CO2 58.0 3.0 32.6 3.2