Question:

Gasification of biomass is:

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Heat + Chemistry = Thermo-chemical. High heat is the key difference from bio-chemical processes like fermentation.
  • Thermo chemical conversion process
  • Bio-chemical
  • Anaerobic
  • Chemical
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The Correct Option is A

Solution and Explanation


Step 1: Concept
Gasification is the conversion of solid biomass into a combustible gas mixture known as producer gas or syngas.

Step 2: Meaning
This conversion occurs at very high temperatures ($700 - 1000^{\circ}$C) with a limited supply of oxygen or steam.

Step 3: Analysis
Because the process relies on high heat (thermal) to trigger chemical reactions that break down biomass molecules, it is classified as a thermo chemical conversion process.

Step 4: Conclusion
Gasification is thermo chemical in nature.
Final Answer: (A)
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