Abstract
The effect of radiation pretreatment of bagasse on enzymatic and acid hydrolysis was studied. At irradiation doses above 10 MR, bagasse was extensively degraded and became very fragile; at the same time the fraction of powder (below 250 mesh) and the water-soluble components increased. Irradiation increased the glucose yield from both enzymatic and acid hydrolysis. Bagasse irradiated with 100 MR yielded two or four times as much glucose as the untreated bagasse in enzymatic and acid hydrolysis, respectively. Most of the cellulose components in bagasse irradiated with 100 MR could be hydrolysed by subsequent acid hydrolysis at 180°C for 10 min. The irradiation effect on enhancing acid hydrolysis appeared to be greater than that on enzymatic hydrolysis.
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