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?

<p>They are converted into fertilizer (A)</p> Signup and view all the answers

How does MBT contribute to reducing reliance on fossil fuels?

<p>By creating solid recovered fuel as a fossil fuel replacement (A)</p> Signup and view all the answers

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

<p>To capture methane-rich landfill gas (C)</p> Signup and view all the answers

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

<p>Methane (D)</p> Signup and view all the answers

What process leads to the production of methane in landfills?

<p>Anaerobic digestion (C)</p> Signup and view all the answers

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

<p>Knock-out drums for moisture removal (C)</p> Signup and view all the answers

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

<p>To burn off collected landfill gas in a controlled manner (D)</p> Signup and view all the answers

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

<p>By feeding methane into a gas engine to drive an electric generator (A)</p> Signup and view all the answers

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

<p>To prevent the release of methane into the atmosphere (A)</p> Signup and view all the answers

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

<p>Passing it through a transformer to adjust voltage levels (C)</p> Signup and view all the answers

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

<p>To convert methane into mechanical energy (B)</p> Signup and view all the answers

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

<p>To capture methane generated in landfills (C)</p> Signup and view all the answers

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

<p>Extraction system and flaring system (A)</p> Signup and view all the answers

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

<p>To prevent the gas from escaping into the atmosphere (A)</p> Signup and view all the answers

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