Cascade use of bamboo as raw material for several high value products: production of xylo-oligosaccharide and activated carbon for EDLC electrode from bamboo
Cascade use of bamboo as raw material for several high value products: production of xylo-oligosaccharide and activated carbon for EDLC electrode from bamboo
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DOI：
10.1007/s10934-018-0567-6
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发表时间：
2018-10-01
影响因子：
2.6
通讯作者：
Ohno, Teruhisa
中科院分区：
文献类型：
--
作者：
Tsubota, Toshiki;Ishimoto, Kotaro;Ohno, Teruhisa
将竹子作为高附加值产品的原材料，即低聚木糖的生产和双电层电容器电极活性炭的制备进行梯级利用，是一种经济有效的利用竹子的方法。以竹子为原料，采用热压水工艺，在水溶液中成功地制备了低聚木糖（木二糖和木三糖）。将压缩热水处理后的竹固体残渣在400-800 ℃下浸泡，然后用KOH活化。KOH活化对于制备具有约100 g/g的高BET比表面积的活性炭是有效的。2600 m（2）g（-1）。通过热压缩水处理，灰分的量急剧减少，这应该是作为EDLC电极的前体的优点。在1 M H2SO 4水溶液中测得的电容值的活性炭衍生自固体残留物相比，以及从竹子。
The cascade use of bamboo as the raw material for high-value products, that is, the production of xylo-oligosaccharide and the preparation of activated carbon for EDLC electrode, was proposed as an economically effective use of bamboo in this study. Xylo-oligosaccharides, such as xylobiose and xylotriose, were successfully produced from bamboo in a water solution by a hot compressed water process. The solid residue of bamboo after the treatment of the hot compressed water was carbonized at 400-800 degrees C, then activated with KOH. The KOH activation was effective for the preparation of activated carbon having a high BET specific surface area of ca. 2600 m(2) g(-1) from the solid residue. The amount of ash drastically decreased by the hot compressed water treatment, which should be an advantage as the precursor for EDLC electrodes. The capacitance values measured in a 1 M H2SO4 aqueous solution of the activated carbon derived from the solid residue compared well with those from the bamboo.