Citation: LOU Rui, WU Shu-bin, DONG Hao-liang, LÜ Gao-jin. Fast pyrolysis of enzymatic/mild acidolysis lignin from moso bamboo[J]. Journal of Fuel Chemistry and Technology, ;2015, 43(1): 42-47. shu

Fast pyrolysis of enzymatic/mild acidolysis lignin from moso bamboo

1.
1. Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper, Shaanxi University of Science and Technology, Xi’an 710021, China;

Corresponding author: LOU Rui,
Received Date: 31 July 2014
Available Online: 26 September 2014
Fund Project: 教育部博士点基金(20136125120003) (20136125120003) 国家重点实验室开放基金(201332) (201332) 教育部重点实验室开放基金(KF201200) (KF201200) 博士启动基金(BJ11-24). (BJ11-24)

Pyrolysis characteristic of enzymatic/mild acidolysis lignin (EMAL) from moso bamboo was investigated using fast pyrolysis technology coupled with gas chromatography/mass spectrometry (Py-GC/MS). Pyrolysis mechanism and formation and distribution of pyrolysis products were studied. Pyrolysis temperature, as a vital factor, affects on lignin pyrolysis including its products and reaction pathway. The results show that pyrolysis products derived from EMAL pyrolysis are mainly heterocyclic (2, 3-dihydrobenzofuran), phenols, esters, and a few amount of acetic acid. Pyrolysis temperature has a distinct impact on the amount of pyrolysis products. At low temperature range (250~400 ℃), pyrolysis products are almost 2, 3-dihydrobenzofuran and its highest content is 66.26% at 320 ℃. At high temperature range (400~800 ℃), a most of pyrolysis products are phenols reaching the highest level of 62.58% at 600 ℃, and a few amount of acetic acid only occurs at 800 ℃.
- lignin,
- pyrolysis,
- phenols,
- moso bamboo,
- Py-GC/MS
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