...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Bioprocess and Biosystems Engineering >Optimization of saccharification and ethanol production by simultaneous saccharification and fermentation (SSF) from seaweed, Saccharina japonica
【24h】

Optimization of saccharification and ethanol production by simultaneous saccharification and fermentation (SSF) from seaweed, Saccharina japonica

机译：通过同时进行糖化和发酵（SSF）的海藻，日本糖衣藻的糖化和乙醇生产的优化

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Ethanol was produced using the simultaneous saccharification and fermentation (SSF) method with mac-roalgae polysaccharide from the seaweed Saccharina japonica (Sea tangle, Dasima) as biomass. The seaweed was dried by hot air, ground with a hammer mill and filtered with a 200-mesh sieve prior to pretreatment. Saccharification was carried out by thermal acid hydrolysis with H_2SO_4 and the industrial enzyme, Termamyl 120 L. To increase the yield of saccharification, isolated marine bacteria were used; the optimal saccharification conditions were 10% (w/v) seaweed slurry, 40 mM H_2SO_4 and 1 g dcw/L isolated Bacillus sp. JS-1. Using this saccharification procedure, the reducing sugar concentration and viscosity were 45.6 ± 5.0 g/L and 24.9 cp, respectively, and the total yield of the saccharification with optimal conditions and S. japonica was 69.1%. Simultaneous saccharification and fermentation was carried out for ethanol production. The highest ethanol concentration, 7.7 g/L (9.8 ml/L) with a theoretical yield of 33.3%, was obtained by SSF with 0.39 g dcw/L Bacillus sp. JS-1 and 0.45 g dcw/L of the yeast, Pichia angophorae KCTC 17574.
机译：使用同步糖化和发酵（SSF）方法，以海藻Saccharina japonica（Sea tangle，Dasima）的mac-roalgae多糖为生物质生产乙醇。将海藻用热空气干燥，用锤磨机研磨，然后在预处理之前用200目筛子过滤。通过用H_2SO_4和工业酶Termamyl 120 L进行热酸水解来进行糖化。为提高糖化的产量，使用了分离的海洋细菌。最佳糖化条件为10％（w / v）海藻浆，40 mM H_2SO_4和1 g dcw / L分离的芽孢杆菌。 JS-1。使用该糖化程序，还原糖浓度和粘度分别为45.6±5.0 g / L和24.9 cp，并且在最佳条件和粳稻的条件下糖化的总产率为69.1％。同时进行糖化和发酵以生产乙醇。 SSF用0.39 g dcw / L芽孢杆菌属菌株获得的最高乙醇浓度为7.7 g / L（9.8 ml / L），理论产率为33.3％。 JS-1和0.45 g dcw / L的酵母，毕赤酵母KCTC 17574。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号