多循环蒸汽爆炸与亚临界水相结合 水解:一个整合的过程,以最大限度地提高从大米中的糖产量
Crisleine P Draszewski1, Emanuel P Skolaude1, Matheus H Brincker1
1Chemical Engineering Department, Federal University of Santa Maria, Santa Maria, RS, Brazil.
Bioresource technology
|July 17, 2025
概括
这项研究优化了使用蒸汽爆炸 (SE) 和亚临界水解 (SWH) 将水 (RH) 转化为可发酵糖的过程. 最好的方法产生了12倍多的糖与最小的抑制剂,展示RH.
科学领域:
- 生物质的价值化 生物质的价值化
- 绿色化学 绿色化学
- 可持续的原料 可持续的原料
背景情况:
- 米 (RH) 是一个丰富的农业废物.
- 对生物炼油厂来说,有效地将RH转化为有价值的产品至关重要.
- 传统的方法往往会产生抑制的副产品.
研究的目的:
- 优化大米的综合蒸汽爆炸 (SE) 和亚临界水解 (SWH) 过程.
- 为了最大限度地提高来自米的可发酵糖的产量.
- 在生物质加工过程中尽量减少抑制化合物的形成.
主要方法:
- 在180°C的蒸汽爆炸 (SE) 中使用1-3个循环对米进行序列预处理.
- 在230°C或260°C下进行亚临界水解 (SWH).
- 糖,有机酸和抑制剂释放的动态监测.
主要成果:
- 最佳条件:3个SE循环,然后在230°C下20分钟进行SWH.
- 实现了可发酵糖的12倍增加 (40.68g/100g RH).
- 最小化的抑制剂 (HMF,furfural <0.6 g/100 g RH) 和有机酸 (5.83 g/100 g RH).
结论:
- 综合SE和SWH是一种有效的米皮价值化策略.
- 优化过程提供了运营和环境方面的优势.
- 强调RH作为生物炼油应用的可持续原料.
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