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Cellulosic biomass conversion into fuel uses which path
EXPLANATION
Biodiesel Production Chemistry
- Thermochemical Conversion Pathways for Cellulosic Biomass:
- Thermochemical conversion of lignocellulosic residues into solid, liquid, and gaseous fuels includes:
- Gasification: High-temperature ($\gt 800^\circ\text{C}$) conversion in sub-stoichiometric oxygen yielding producer gas/syngas (CO, H$_2$, CH$_4$).
- Pyrolysis: Thermal decomposition in total absence of oxygen ($300 - 650^\circ\text{C}$) yielding bio-oil, combustible gases, and biochar.
- Hydrothermal Processing: Conversion in subcritical or supercritical liquid water (Hydrothermal Liquefaction - HTL, Hydrothermal Carbonization - HTC) without pre-drying wet biomass.
- Conclusion: Gasification, pyrolysis and hydrothermal processing (Option 3).
Correct option: (3) Gasification, pyrolysis and hydrothermal processing
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