Chemistry of Gasification: Redox Reactions and Equilibria
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the Boudouard Reaction?

  • A reaction of methane production with carbon and hydrogen
  • A process of gasification in a fixed bed gasifier
  • A redox reaction of a chemical equilibrium mixture of carbon monoxide and carbon dioxide (correct)
  • A reaction of carbon monoxide and water vapor at high temperatures

    • What is the product of the Water Shift Reaction?

  • Methane and carbon dioxide
  • Carbon monoxide and water vapor
  • Carbon dioxide and hydrogen (correct)
  • Oxygen and carbon monoxide

    • What is the chemical formula of methane?

  • CO₂
  • H₂O
  • CH₃
  • CH₄ (correct)

    • What is the primary function of the combustion zone in a fixed bed gasifier?

    <p>To provide heat for the other zones</p> Signup and view all the answers

    What is the equivalence ratio for the gasification process?

    <p>0.2 to 0.4</p> Signup and view all the answers

    What is the application of gasifiers in heat application?

    <p>To convert agri-waste to combustible gas for drying and kiln firing</p> Signup and view all the answers

    What is the product of the Methane Production reaction?

    <p>Methane and heat</p> Signup and view all the answers

    What drives the process in the drying, pyrolysis, and reduction zones?

    <p>Heat transfer from the combustion zone</p> Signup and view all the answers

    What is the application of gasifiers in mechanical power generation?

    <p>To convert agri-waste to combustible gas for running stationary pumps</p> Signup and view all the answers

    What is the primary reactant in the Boudouard Reaction?

    <p>Carbon</p> Signup and view all the answers

    What is the main purpose of the pyrolysis zone in a fixed bed gasifier?

    <p>To decompose the fuel</p> Signup and view all the answers

    What is the energy change associated with the Water Shift Reaction?

    <p>+41,200 kJ</p> Signup and view all the answers

    What is the purpose of the drying zone in a fixed bed gasifier?

    <p>To remove moisture from the fuel</p> Signup and view all the answers

    What is the range of equivalence ratio for the gasification process?

    <p>0.2 to 0.4</p> Signup and view all the answers

    Which zone in a fixed bed gasifier is responsible for producing combustible gas?

    <p>Reduction zone</p> Signup and view all the answers

    What is the primary application of gasifiers in agriculture?

    <p>Heat application</p> Signup and view all the answers

    What is the energy change associated with the Boudouard Reaction?

    <p>-172,600 kJ</p> Signup and view all the answers

    What is the purpose of the combustion zone in a fixed bed gasifier?

    <p>To generate heat for the pyrolysis zone</p> Signup and view all the answers

    More Like This

    Gasification
    23 questions

    Gasification

    Reusl avatar
    Reusl
    Gasification
    23 questions

    Gasification

    Reusl avatar
    Reusl
    Gasification
    23 questions

    Gasification

    Reusl avatar
    Reusl
    Tepelná bilance v zplyňování
    10 questions

    Tepelná bilance v zplyňování

    CalmHyperbola avatar
    CalmHyperbola
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser