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Position: Home > Articles > Study on the Recycling Process of Anaerobic-digested Alcohol Effluent in Cassava Ethanol Fermentation Journal of Anhui Agricultural Sciences 2008,36 (17) 375-378

木薯酒精生产中厌氧消化液的回用工艺研究

作者：

张成明;翟芳芳;张建华;毛忠贵

单位：

江南大学工业生物技术教育部重点实验室

关键词：

木薯;酒精;厌氧消化液;清洁生产

摘要：

[目的]对厌氧消化液作为生产用水回用的可行性进行研究。[方法]在相同的试验条件下,分别用自来水和厌氧消化液作为配料水进行试验,观察厌氧消化液对酵母生长、糖化、液化及发酵过程的影响。[结果]厌氧消化液对糖化、液化过程没有抑制作用。以厌氧消化液作配料水得到的完全糖化液为底物测定酵母的生长曲线,平衡期酵母数量达到1.24亿个/ml,比以自来水作配料水的对照样的1.01亿个/ml多22.8%。在相同的发酵条件下,消化液样的残总糖和残还原糖含量分别为1.97%和0.32%,自来水样的残总糖和残还原糖含量分别为3.78%和2.07%,前者比后者的残糖含量分别降低了50.8%和84.5%。[结论]厌氧消化液可以做为配料水进行回用可以促进酒精发酵。

译名：

Study on the Recycling Process of Anaerobic-digested Alcohol Effluent in Cassava Ethanol Fermentation

作者：

ZHANG Cheng-ming et al(Ministry of Education Key Laboratory of Industrial Biotechnology,Jiangnan University,Wuxi,Jiangsu 214036)

关键词：

Cassava;Alcohol;Anaerobic-digested alcohol effluent;Cleaner production

摘要：

[Objective] The research aimed to study the feasibility of anaerobic-digested alcohol effluent being used as burden water.[Method] The influences of anaerobic-digested alcohol effluent on yeast growth,liquefaction process,saccharification process and ferment process were observed in the same experimental conditions when tap water and anaerobic-digested alcohol effluent were used as burden water respectively.[Result] It was not found the inhibitory effects of anaerobic-digested alcohol effluent on liquefaction process,saccharification process and ferment process.The growth curve was determined when the yeasts were cultivated on the anaerobic-digested alcohol effluent saccharification liquid and tap water saccharification liquid.On the equilibrium phase,the yeast amount of the former was 1.24×108/ml,which was 22.8% more than the latter which was 1.01×108/ml.Under the same condition,the residual total sugar content and residual reducing sugar content of the anaerobic-digested alcohol effluent sample was 1.97% and 0.32% respectively,and the tap water sample was 3.78% and 2.07%.The residual total sugar content and residual reducing sugar content of the former was 50.8% and 84.5% less than the latter respectively.[Conclusion] The alcohol fermentation process would be promoted when anaerobic-digested alcohol effluent was used as burden water.

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木薯酒精生产中厌氧消化液的回用工艺研究

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