UNCATALYZED SOLVOLYSIS OF WHOLE BIOMASS HEMICELLULOSE BY HOT COMPRESSED LIQUID WATER
UNCATALYZED SOLVOLYSIS OF WHOLE BIOMASS HEMICELLULOSE BY HOT COMPRESSED LIQUID WATER
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DOI：
10.1021/ie00004a026
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发表时间：
1992-04-01
影响因子：
4.2
通讯作者：
ANTAL, MJ
中科院分区：
文献类型：
--
作者：
MOK, WSL;ANTAL, MJ
使用压缩液态水在 200-230 摄氏度下清洗六种木本和四种草本生物质物种的样品 0-15 分钟。 40% 至 60% 的样品质量被溶解。在所有情况下，100% 的半纤维素被溶解，其中 90%（平均）可作为单糖回收。同时，4％至22％的纤维素和35％至60％的木质素也被溶解。溶剂分解过程非常容易，结果在研究范围内几乎不受温度和时间的影响。观察到的变化主要是物种的函数。高木质素溶解度明显降低了回收半纤维素糖的能力。
Samples of six woody and four herbaceous biomass species were washed with compressed, liquid water for 0-15 min at 200-230-degrees-C. Between 40 and 60% of the sample mass was solubilized. In all cases, 100% of the hemicellulose was solubilized, of which 90% (on average) was recoverable as monomeric sugar. Concurrently, between 4 and 22% of the cellulose and 35 and 60% of the lignin were also solubilized. The solvolysis process is so facile that the results are practically independent of temperature and time within the range studied. The observed variations occurred primarily as a function of species. High lignin solubilization apparently reduced the ability to recover hemicellulose sugar.