23 Questions
Which of the following is true about biomass fuels?
Biomass fuels are derived from living organisms.
What has contributed to the viability of biomass fuels as alternative sources of heat and electricity?
Advances in technology.
What is one potential benefit of biomass fuels for facilities that produce excess energy?
They can sell the excess biomass materials.
Which technology is commonly used for the conversion of syngas into liquid fuels?
Fischer-Tropsch process
What is the main purpose of black liquor gasification in pulp mills?
To produce synthesis gas
Which of the following is NOT considered a non-traditional fossil fuel?
Conventional oil
What is the primary use of metallurgical coke?
Iron smelting
Which of the following is NOT a type of biomass fuel mentioned in the text?
Coal
What is the approximate heating value of dry wood bark?
20,000 kJ/kg
What are some challenges associated with biomass fuels?
Formation of slag
What is biodiesel produced by combining with methanol (or ethanol) in the presence of a catalyst?
All of the above
Which of the following is a renewable biofuel made from a variety of biomass materials?
Ethanol
What is the main feedstock for fuel ethanol in North America?
Corn
What is the process in which biomass is rapidly heated to about 500°C in a reactor in the absence of oxygen to obtain a synthetic fuel?
Pyrolysis
What is the main gaseous fuel produced from biomass when it is broken down by bacteria in a process called anaerobic digestion?
Biogas
Which type of gasifier operates at a high temperature and pressure with extremely turbulent flow?
Entrained flow gasifier
What is the product syngas ratio when coal is fed into the gasifier in slurry form?
Higher hydrogen to carbon monoxide ratio
What is another name for heavy fuel oil (HFO)?
All of the above
What is one advantage of using oil emulsions as a replacement for HFO?
All of the above
Which industry can use petroleum coke as a fuel?
Steel industry
What is the typical composition of fuel-grade petroleum coke?
90% C, 4% Hz, 2% 02,1 % N, 2% S, and 0.25% ash
What is the main component of syngas produced from gasification?
Carbon monoxide and hydrogen
What are the three main classifications of gasifiers?
Fixed bed, entrained flow, and fluidized bed gasifiers
Test your knowledge on gasification, biomass conversion, and syngas utilization in this quiz. Learn about the Fischer-Tropsch process and its role in converting syngas into liquid fuels for vehicles.
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