一种生姜秸秆半糖化发酵制备乙醇的方法
CN116694691BActive Publication Date: 2026-07-17JINAN INST OF FRUIT PRODS CHINA GENERAL SUPPLY & MARKETING COOP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JINAN INST OF FRUIT PRODS CHINA GENERAL SUPPLY & MARKETING COOP
- Filing Date
- 2023-07-28
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Ginger stalks are difficult to utilize and process. The residue after chemical extraction of active ingredients causes resource waste and environmental pollution, and there is no research on their direct conversion into biomass energy.
Method used
Ethanol was prepared by pretreating ginger straw with dilute acid, followed by saccharification with cellulase and fermentation with yeast.
Benefits of technology
The efficient conversion of ginger straw into biomass fuel ethanol was achieved, with a glucose-ethanol conversion rate as high as 90.31%. The yeast was tolerant to antibacterial components, and the reduced lignin content was beneficial to the fermentation process.
✦ Generated by Eureka AI based on patent content.
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Figure CN116694691B_ABST
Abstract
本发明属于生姜秸秆废弃物综合利用技术领域，具体涉及一种生姜秸秆半糖化发酵制备乙醇的方法。本发明中生姜秸秆半糖化发酵制备乙醇的方法，包括以下步骤：（1）生姜秸秆预处理；（2）纤维素酶对预处理后的生姜秸秆进行预糖化，获得还原糖；（3）向（2）中糖化的物料中加入酵母菌，半糖化发酵获得乙醇。本发明中，采用稀硫酸对生姜秸秆进行预处理，有利于提高纤维素酶对生姜秸秆的糖化效果，此外，本发明中酵母菌采用YPD培养基和含有生姜秸秆糖化液的培养基进行培养，提高了酵母菌对于生姜秸秆中存在的天然抑菌类成分的耐受性，进而更好地利用生姜秸秆糖化后产生的葡萄糖、木糖等还原糖并发酵生成乙醇，提高了生姜秸秆的生物利用率。
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