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A comparison of pretreatments on release of sugars from sweet sorghum bagasse for bioethanol production

机译:甜高粱蔗渣中糖分释放用于生物乙醇生产的预处理方法的比较

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摘要

Dilute acid pretreatment and steam pretreatment were evaluated for maximum sugars release and ethanol production from sweet sorghum bagasse (SSB). The fermentation potential of the condensate and hydrolysate obtained from steam pretreatment (10 kg/cm(2), 10 minutes) and dilute acid hydrolysis (1% (w/w) sulphuric acid, 25% substrate loading) respectively, was checked with Pichia stipitis NCIM 3497 and Debaryomyces hansenii sp. Ethanol production and yield using acid hydrolysate was higher with Debaryomyces hansenii sp. (28.4 g/L and 0.37 g/g respectively) as compared with Pichia stipitis NCIM 3497 (21.9 g/L and 0.29 g/g respectively).
机译:评估了稀酸预处理和蒸汽预处理的最大糖释放量以及甜高粱蔗渣(SSB)的乙醇产量。用毕赤酵母(Pichia)检查了蒸汽预处理(10 kg / cm(2),10分钟)和稀酸水解(1%(w / w)硫酸,25%底物负载)获得的冷凝液和水解液的发酵潜能。壁球菌NCIM 3497和汉逊Debaryomyces hansenii sp。汉森Debaryomyces hansenii sp。的产酸和乙醇产率较高。 (分别为28.4 g / L和0.37 g / g)与毕赤酵母NCIM 3497(分别为21.9 g / L和0.29 g / g)相比。

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