开发一种简单而多用途的工艺,用于将商业和城市的纤维素基废物转化为可发酵糖
Célia Chenebault1, Benjamin Percheron1
1Suez, CIRSEE, 38 rue du Président Wilson, 78230 Le Pecq, France.
Bioresource technology
|July 20, 2023
概括
这项研究提出了一种高效的,无化学物质的过程,用于将基纤维素废物转化为糖和乙醇. 该方法成功地利用各种废物流,包括旧的波纹纸板和纸,用于生物炼油应用.
科学领域:
- 生物技术是生物技术.
- 可再生能源可再生能源是可再生能源.
- 废物管理 废物管理
背景情况:
- 纤维素废物是生物炼油厂的丰富和有前途的原料.
- 这些废物的工业规模利用往往受到大规模化挑战的阻碍.
- 开发多功能转化工艺对于生物炼油厂的发展至关重要.
研究的目的:
- 开发一个高效的,统一的过程,用于转化多个基纤维素废物流.
- 为了优化预处理和酶性水解以获得最大的糖产量.
- 通过各种废物类型验证生产可发酵糖的过程.
主要方法:
- 无化学品的预处理,然后使用Cellic Ctec 3.进行酶性水解.
- 使用旧波纹纸板 (OCC) 作为模型基板,优化预处理和水解参数.
- 对各种废物流程的过程验证:纸和纸,过的卫生纸,城市固体废物有机分和废木材.
主要成果:
- 有效地将OCC脱聚化成单体糖 (0.50g/gTS),然后再发酵成乙醇 (0.24g/gTS).
- 从纸和纸 (0.48 g/gTS),过的卫生纸 (0.40 g/gTS) 和城市固体废物有机分 (0.37 g/gTS) 成功生产了糖.
- 来自废木B的较低的糖产量 (0.08g/gTS) 表明可能需要对基板进行特定优化.
结论:
- 无化学品的预处理和酶性水解工艺可以有效地将各种纤维素酸废物转化为糖.
- 这种统一的过程为生物炼油厂中各种废物流的价值化提供了一个可行的途径.
- 可能需要进一步的研究来优化对废木等回收基质的产量.
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