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Questions and Answers
What are the 4 products separated in proximate analysis of coal?
What are the 4 products separated in proximate analysis of coal?
- Moisture, volatile matter, fixed carbon, ash (correct)
- Methane, ethane, propane, butane
- Carbon, oxygen, hydrogen, nitrogen
- Carbon dioxide, nitrogen, sulfur, hydrogen
What does FC represent in the proximate analysis of coal?
What does FC represent in the proximate analysis of coal?
- Fusion carbon
- Fossilized carbon
- Fixed carbon (correct)
- Free carbon
What is the main function of proximate analysis of coal?
What is the main function of proximate analysis of coal?
- Determine the color of coal
- Establish the rank of coals based on volatile matter and fixed carbon (correct)
- Identify the chemical constituents of coal
- Measure the energy content of coal
What is the nonvolatile fraction of coal?
What is the nonvolatile fraction of coal?
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What does the routine determination of volatile matter not separate and report?
What does the routine determination of volatile matter not separate and report?
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Study Notes
Proximate Analysis of Coal
- Four products separated in proximate analysis: Moisture, Ash, Volatile Matter, Fixed Carbon.
- FC (Fixed Carbon) represents the solid combustible residue left after volatile matter is released, indicating the carbon content of the coal.
- Main function of proximate analysis: To evaluate coal's combustion characteristics and efficiency in energy production.
Volatile Matter and Nonvolatile Fraction
- Nonvolatile fraction of coal consists of Fixed Carbon and Ash, representing the components that remain after combustion.
- Routine determination of volatile matter does not separate and report the specific amounts of Fixed Carbon and Ash, focusing instead on the total volatile content.
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