Gasification

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Which of the following is true about biomass fuels?

Biomass fuels are derived from living organisms. (correct)

Biomass fuels are not renewable sources of energy.

Biomass fuels can only be used in combination with gas.

Biomass fuels are derived from non-living organisms.

What has contributed to the viability of biomass fuels as alternative sources of heat and electricity?

Advances in technology. (correct)

Decreased costs of fossil fuels.

Decreased use of cogeneration systems.

Increased demand for landfills.

What is one potential benefit of biomass fuels for facilities that produce excess energy?

They can only use the excess energy within the facility.

They can convert the excess energy into fossil fuels.

They can sell the excess biomass materials. (correct)

They can store the excess electricity or heat.

Which technology is commonly used for the conversion of syngas into liquid fuels?

Fischer-Tropsch process Signup and view all the answers

What is the main purpose of black liquor gasification in pulp mills?

To produce synthesis gas Signup and view all the answers

Which of the following is NOT considered a non-traditional fossil fuel?

Conventional oil Signup and view all the answers

What is the primary use of metallurgical coke?

Iron smelting Signup and view all the answers

Which of the following is NOT a type of biomass fuel mentioned in the text?

Coal Signup and view all the answers

What is the approximate heating value of dry wood bark?

20,000 kJ/kg Signup and view all the answers

What are some challenges associated with biomass fuels?

Formation of slag Signup and view all the answers

What is biodiesel produced by combining with methanol (or ethanol) in the presence of a catalyst?

All of the above Signup and view all the answers

Which of the following is a renewable biofuel made from a variety of biomass materials?

Ethanol Signup and view all the answers

What is the main feedstock for fuel ethanol in North America?

Corn Signup and view all the answers

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 Signup and view all the answers

What is the main gaseous fuel produced from biomass when it is broken down by bacteria in a process called anaerobic digestion?

Biogas Signup and view all the answers

Which type of gasifier operates at a high temperature and pressure with extremely turbulent flow?

Entrained flow gasifier Signup and view all the answers

What is the product syngas ratio when coal is fed into the gasifier in slurry form?

Higher hydrogen to carbon monoxide ratio Signup and view all the answers

What is another name for heavy fuel oil (HFO)?

All of the above Signup and view all the answers

What is one advantage of using oil emulsions as a replacement for HFO?

All of the above Signup and view all the answers

Which industry can use petroleum coke as a fuel?

Steel industry Signup and view all the answers

What is the typical composition of fuel-grade petroleum coke?

90% C, 4% Hz, 2% 02,1 % N, 2% S, and 0.25% ash Signup and view all the answers

What is the main component of syngas produced from gasification?

Carbon monoxide and hydrogen Signup and view all the answers

What are the three main classifications of gasifiers?

Fixed bed, entrained flow, and fluidized bed gasifiers Signup and view all the answers

Gasification

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Questions and Answers

Which of the following is true about biomass fuels?

What has contributed to the viability of biomass fuels as alternative sources of heat and electricity?

What is one potential benefit of biomass fuels for facilities that produce excess energy?

Which technology is commonly used for the conversion of syngas into liquid fuels?

What is the main purpose of black liquor gasification in pulp mills?

Which of the following is NOT considered a non-traditional fossil fuel?

What is the primary use of metallurgical coke?

Which of the following is NOT a type of biomass fuel mentioned in the text?

What is the approximate heating value of dry wood bark?

What are some challenges associated with biomass fuels?

What is biodiesel produced by combining with methanol (or ethanol) in the presence of a catalyst?

Which of the following is a renewable biofuel made from a variety of biomass materials?

What is the main feedstock for fuel ethanol in North America?

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?

What is the main gaseous fuel produced from biomass when it is broken down by bacteria in a process called anaerobic digestion?

Which type of gasifier operates at a high temperature and pressure with extremely turbulent flow?

What is the product syngas ratio when coal is fed into the gasifier in slurry form?

What is another name for heavy fuel oil (HFO)?

What is one advantage of using oil emulsions as a replacement for HFO?

Which industry can use petroleum coke as a fuel?

What is the typical composition of fuel-grade petroleum coke?

What is the main component of syngas produced from gasification?

What are the three main classifications of gasifiers?

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