Preparation of High Heating Value Gas, High Quality Bio-Oil and Added Value Carbon Materials from Caragana Pyrolyzed via Super-High Temperature Steam

Abstract:

Caragana is an abundant plant as the feedstock of biomass energy in China. In this study, pyrolysis of Caragana in the presence of high temperature medium and characterization of products has been carried out. Evaluation of experimental results showed that faster devolatilization and char with increased surface area obtained in the presence of high temperature steam comparing to N₂. Analysis of the obtained liquid revealed that the H/C and O/C ratios in the liquid are 1.5 and 0.16 respectively. Further more gas composition during high temperature steam pyrolysis differs from gas composition derived from N₂ pyrolysis which indicates interaction of steam with vapors and solid species even at low treatment temperatures. The derived products’ yields and characteristics indicate possible exploitation of derived char as activate carbon precursor. Liquid fraction composition makes it suitable for exploitation as liquid fuel and/or chemical feedstock.

• Periodical: Advanced Materials Research (Volumes 512-515)
• Pages: 2152-2161
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.512-515.2152
• Online since: May 2012
• Authors: Jun Li Liu, Jian Chun Jiang, Wei Hong Yang
• Keywords: Bio-Oil, Carbon Material, Pyrolysis, Super-High Temperature Steam

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