Effects of four types of dilute acid washing on moso bamboo pyrolysis using Py-GC/MS

Bioresource Technology
Qing DongYuanquan Xiong

Abstract

The influences of four types of dilute acid washing (H2SO4, HCl, HF, HNO3) on moso bamboo pyrolysis were investigated via pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The effects of acid washings on the inorganics contents and the chemical structure were also analyzed. The results indicated that all the acid washings could effectively remove a large portion of inorganics and disrupt the chemical structure to a certain extent. HCl-washing behaved the best in removing inorganics and had the most marked disruption effect on bamboo structure. Acid washings promoted the bamboo pyrolysis and increased the contents of both phenols and sugars. HCl-washing had the most significant promotion effect on the levoglucosan formation with the absolute peak area increasing from 8.12×10(8) to 1.92×10(9). The absolute peak areas of 2,3-dihydrobenzofuran decreased more or less after acid washings. All the acid washings except H2SO4-washing could significantly increase the absolute peak area of methoxyeugenol.

References

Jun 13, 2002·Bioresource Technology·Ye Sun, Jiayang Cheng
Feb 23, 2010·Bioresource Technology·Pushkaraj R PatwardhanBrent H Shanks
Jan 15, 2011·Bioresource Technology·Huiyan ZhangZhaoping Zhong
Jun 1, 2011·Biotechnology Advances·Valery B AgborDavid B Levin
Nov 18, 2011·Bioresource Technology·In-Yong EomJoon-Weon Choi
Dec 26, 2012·Journal of Agricultural and Food Chemistry·Jia-Long WenRun-Cang Sun
Sep 10, 2014·Bioresource Technology·Qing Dong, Yuanquan Xiong

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Citations

Jul 17, 2020·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Yousheng LinHanmin Xiao
Feb 16, 2017·Environmental Science and Pollution Research International·Qunliang LiJunhao Huang
Jul 18, 2017·Bioresource Technology·Qing DongChen Lu
Feb 14, 2018·Bioresource Technology·Qing DongChen Lu

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