Abstract
Novel design of pyrolyzer was developed for efficient collection of primary degradation products from biomass. The apparatus consists of a pair of horizontal belt conveyers facing to each other, in a reduced-pressure chamber with pressures ranging from 600 Pa to 8 kPa. The lower belt feeds the powder of raw material to the pyrolysis region heated up to 450 °C; the upper belt facing the heated part is cooled from the top to condense the evaporated products with minimal secondary degradation. A continuous-feed pyrolyzer for the production of organic liquids from cellulosic biomass has been demonstrated at a laboratory-scale of 5-10 g/h of dry feed in temperature of 410-450 °C. Treatment of cellulose and starch gave high yields of 1,6-anhydro-β-d-glucopyranoside (levoglucosan). The yield depended on the heater temperature and the residual air pressure in the chamber. The maximum yield of levoglucosan from microcrystalline cellulose (Avicel) was approx. 70% (analytical value) under residual air of 5 kPa.
| Original language | English |
|---|---|
| Pages (from-to) | 1-5 |
| Number of pages | 5 |
| Journal | Journal of Analytical and Applied Pyrolysis |
| Volume | 80 |
| Issue number | 1 |
| DOIs | |
| State | Published - Aug 2007 |
Keywords
- Biomass
- Cellulose
- Levoglucosan
- Pyrolysis
- Starch
Fingerprint
Dive into the research topics of 'Rapid-cooling, continuous-feed pyrolyzer for biomass processing. Preparation of levoglucosan from cellulose and starch'. Together they form a unique fingerprint.Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver