通过蒸汽和超过来处理小麦中的半纤维素 - - 一种新的方法
Stanislav Parsin1, Martin Kaltschmitt1
1Hamburg University of Technology (TUHH), Institute of Environmental Technology and Energy Economics (IUE), Eissendorfer Strasse 40, 21073 Hamburg, Germany.
Bioresource technology
|November 24, 2023
概括
用蒸汽水解从小麦中制造出水溶性兰. 这种方法产生了颗粒和素贫乏的化物,适合通过超过有效地分离西兰.
科学领域:
- 生物质价值化 生物质价值化
- 绿色化学是一种绿色化学.
- 分离科学 分离科学
背景情况:
- 小麦是一种丰富的基纤维素生物质.
- 对于可持续的应用来说,有效地提取像兰这样的有价值成分至关重要.
- 当前的方法经常面临纯度和分离的挑战.
研究的目的:
- 开发一种从小麦中生产水溶性兰的方法.
- 为了优化蒸汽水解条件,最大限度地提高西兰溶解度.
- 为了研究超过对西兰分离的有效性.
主要方法:
- 在固定床反应堆中使用和蒸汽对小麦的水解.
- 优化温度 (180°C),压力 (10bar) 和时间 (35分钟).
- 分析水解化合物成分 (碳水化合物,红素).
- 使用商业膜 (450 kDa) 进行超过以进行分离.
主要成果:
- 实现了29.6%的草溶解和63%的半纤维素溶解.
- 化物干质至少包括58%的西洛斯和阿拉比诺斯.
- 克西洛斯主要以非单体形式 (87%) 具有广泛的分子量分布.
- 超过显示碳水化合物 (981%) 和化合物 (1348%) 的排斥率可变.
结论:
- 蒸汽水解是一种有效的方法,可以从小麦中生产水溶性西兰.
- 该过程产生了一种可接受超过的化物,用于兰丰富.
- 需要进一步优化超过,以高效地分离目标西兰分离物.
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