2007•Anhui nongye kexueRequires access
Effects of Different Temperatures on Ethanol Fermentation of Sweet Sorghum Stalk Juice
Jin Hui
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Abstract
The juice of sweet sorghum stem of soluble sugar content 113 g/L was used as experimental material of ethanol fermentation experiments.The experiments were conducted in a shaking flask and the bath shake bed to investigate effect of temperature on the ethanol fermentation of sweet sorghum stalk juice by immobilized yeast.The test temperatures were 25,28,31,34 and 38 ℃ respectively.The results showed that the 31 ℃ was the most suitable condition to the ethanol fermentation of sweet sorghum stalk juice by immobilized yeast.Under that condition,the better ethanol yield,CO2 weight loss rate and the lower residual sugar content could be obtained.