Abstract：
:Poplar wood powders were treated with distilled water, tap water, HCl and HF, respectively, to remove inorganics from the biomass and to investigate effect of demineralization processes on pyrolysis behavior of the biomass. TG and DTG revealed that maximum degradation temperatures rose slightly from 362°C for control to 372°C, 366°C and 368°C after demineralization with distilled water, HCl and HF, respectively. Maximum degradation rates also increased from 0.96%/°C for control to 1.15%/°C for HF-biomass, 1.23%/°C for DI-H(2)O-biomass, and 1.55%/°C for HCl-biomass. Analytical pyrolysis-GC/MS of demineralized biomasses produced approximately 45 pyrolysis compounds. Total amount of low molecular weight compounds, such as acetic acid, acetol, and 3-hydroxypropanal, was significantly lowered in the demineralized biomasses. But levoglucosan increased 2-10-folds in the demineralized biomasses. One of the features regarding lignin derivatives was the reduction of the amount of C6-type phenols, such as phenol, guaiacol, and syringol after demineralization.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Eom IY,Kim KH,Kim JY,Lee SM,Yeo HM,Choi IG,Choi JWdoi
10.1016/j.biortech.2010.10.056subject
Has Abstractpub_date
2011-02-01 00:00:00pages
3437-44issue
3eissn
0960-8524issn
1873-2976pii
S0960-8524(10)01712-8journal_volume
102pub_type
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