【摘 要】
：
为研究纤维素酶预处理对木糖渣发酵产沼气的影响,试验将经过纤维素酶预处理和未经纤维素酶预处理的木糖渣分别作为厌氧消化的底物,考察其沼气发酵性能。结果显示：按40 FPU
【机 构】
：
中溶科技股份有限公司研发中心,河北省非粮乙醇技术创新中心
论文部分内容阅读
为研究纤维素酶预处理对木糖渣发酵产沼气的影响,试验将经过纤维素酶预处理和未经纤维素酶预处理的木糖渣分别作为厌氧消化的底物,考察其沼气发酵性能。结果显示：按40 FPU·g~（-1）用量添加纤维素酶（酶活力400 FPU·mL~（-1））对木糖渣进行预处理后,酶解液中的还原糖浓度达到30 g·L~（-1）,继续增加纤维素酶用量,还原糖含量增加不明显。试验组相比于对照组总固形物（TS）和挥发性固形物（VS）的利用率分别提高19.47%和21.85%。在20 d试验期内,试验组产气
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