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麦草碱法黑液热解的产物特性及释放规律(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年04期
Page:
121-126
Column:
研究论文
publishdate:
2013-07-15

Article Info:/Info

Title:
Study on the product characteristics and release law of pyrolysis of wheat straw black liquor
Article ID:
1000-2006(2013)04-0121-06
Author(s):
DAI Tao WU Shubin* GUO Daliang ZHAO Yushuang LI Bo
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
Keywords:
wheat straw black liquor pyrolysis product characteristics release law
Classification number :
X793
DOI:
10.3969/j.issn.1000-2006.2013.04.023
Document Code:
A
Abstract:
Pyrolysis characteristics of black liquor solid(BLS)was studied on a tubular reactor furnace at 400-800 ℃. The composition of the liquid products and the distribution characteristics of gas products were analyzed by GC-MS and GC. The surface morphology of chars from BLS pyrolysis was characterized by SEM-EDS analysis. The release rule of important volatile matters in BLS pyrolysis process was discussed with the TG-FTIR. The results showed that the main components of the gas products were H2,CO,CO2 and CxHy(CH4,C2H2,C2H4,C2H6), and phenols, ketones, alcohols, acids, furans, and aromatic compounds in liquid products. TG-FTIR results revealed that the release time of BLS pyrolysis products mainly concentrated in 1 000-2 000 s(300-600 ℃), at this time, the released products mainly include H2O, CO2, CH4, CO and alkanes, aromatics, phenols, alcohols and ketone compounds.

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Last Update: 2013-07-30