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Mechanical Biological Treatment (MBT)

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Questions and Answers

What is the primary purpose of Mechanical Biological Treatment (MBT)?

To create solid recovered fuel (correct)

To separate recyclable materials

To divert organic materials for energy

To produce compost for agriculture

Which of the following is NOT a part of the mechanical process in MBT?

Drying (correct)

Sorting

Shredding

Separating

What is the purpose of using pellets or briquettes produced from MBT fuel?

As feedstock in energy facilities (correct)

For water treatment

For construction purposes

As raw material for plastic production

What happens to the organic materials in MBT after biological components are applied?

They are converted into fertilizer Signup and view all the answers

How does MBT contribute to reducing reliance on fossil fuels?

By creating solid recovered fuel as a fossil fuel replacement Signup and view all the answers

What is the main purpose of gas collection wells in a landfill site?

To capture methane-rich landfill gas Signup and view all the answers

What is the primary gas found in a landfill gas composition?

Methane Signup and view all the answers

What process leads to the production of methane in landfills?

Anaerobic digestion Signup and view all the answers

What equipment is primarily used to remove impurities from the collected landfill gas?

Knock-out drums for moisture removal Signup and view all the answers

What is the function of the flaring system in a landfill gas recovery plant?

To burn off collected landfill gas in a controlled manner Signup and view all the answers

How is the energy in methane converted into usable electricity in a landfill gas power generation system?

By feeding methane into a gas engine to drive an electric generator Signup and view all the answers

Why is methane flared off in a landfill gas recovery plant?

To prevent the release of methane into the atmosphere Signup and view all the answers

What is the final step before the electricity generated from landfill gas is connected to the electrical grid?

Passing it through a transformer to adjust voltage levels Signup and view all the answers

What is the role of a gas engine in a landfill gas power generation system?

To convert methane into mechanical energy Signup and view all the answers

What is the primary purpose of a landfill gas capture process?

To capture methane generated in landfills Signup and view all the answers

What are the main components of a landfill gas recovery plant?

Extraction system and flaring system Signup and view all the answers

Why are perforated pipes used in gas collection wells within landfill sites?

To prevent the gas from escaping into the atmosphere Signup and view all the answers