Experimental process parameters optimization and in-depth product characterizations for teak sawdust pyrolysis
Goutam Kishore Gupta1, Pavan Kumar Gupta2, Monoj Kumar Mondal1
1Department of Chemical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India.
Waste Management (New York, N.Y.)
|May 22, 2019
Summary
This study explores teak sawdust pyrolysis, yielding bio-oil, biochar, and gas. Optimized conditions produce high yields of bio-oil and biochar, suitable for fuel or chemical applications.
Area of Science:
- Biomass thermochemical conversion
- Renewable energy research
- Sustainable materials science
Background:
- Biomass pyrolysis offers a sustainable route to biofuels like bio-oil, biochar, and pyrolytic gas.
- Teak sawdust presents a potential feedstock for thermochemical processing due to its availability.
Purpose of the Study:
- To determine the yield and characteristics of products from teak sawdust pyrolysis.
- To investigate the influence of pyrolysis parameters on product distribution and quality.
- To assess the potential applications of the derived bio-oil, biochar, and gas.
Main Methods:
- Pyrolysis experiments conducted on teak sawdust across temperatures from 400-700°C.
- Varied nitrogen flow rate (150-250 mL/min), packed bed height (2-8 cm), and particle size (0.18-0.60 mm).
- Product characterization included physical and chemical analyses (FTIR, GC-MS, BET, XRD) and gas chromatography.
Main Results:
- Maximum bio-oil yield (48.8%) at 600°C and biochar yield (37.42%) at 400°C were observed.
- Bio-oil exhibited properties suitable for biofuel upgrading or chemical extraction.
- Biochar demonstrated high BET surface area, indicating potential for waste stream purification; pyrolytic gases contained valuable H2 and CH4.
Conclusions:
- Teak sawdust pyrolysis is an effective method for producing valuable biofuels and materials.
- Optimized pyrolysis conditions can maximize bio-oil and biochar yields.
- The derived products show promise for energy applications and environmental remediation.
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