Crude Oil Processing Quiz
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Questions and Answers

Which process involves breaking down large petroleum molecules into smaller hydrocarbons primarily in the gasoline range?

  • Fluidized catalytic cracking
  • Cyclic fixed bed cracking
  • Cracking (correct)
  • Thermal cracking

    • What type of catalysts are denoted by ovals in the diagram?

  • SiO2-Al2O3 catalysts
  • Zeolite catalysts
  • Base-metal catalysts
  • Noble metal catalysts (correct)

    • What was the major design change in the cracking process practiced 5-6 decades ago?

  • From a fluidized bed to a fixed bed
  • From a fixed bed to a fluidized bed
  • From a small tube to a large fluidized bed
  • From a large fluidized bed to a small tube (correct)

    • Which technology is seen as suitable to use under-utilized or flared natural gas to produce premium quality diesel fuel?

    <p>Gas-to-Liquid (GTL) technology</p> Signup and view all the answers

    Which of the following is NOT one of the 4 steps in the Fischer-Tropsch (F-T) synthesis process?

    <p>Production of syngas</p> Signup and view all the answers

    Which reaction led to the invention of the Fischer-Tropsch (F-T) synthesis process?

    <p>Co-catalyzed liquid HC synthesis</p> Signup and view all the answers

    Which type of cracking is indicated by high yields of ethylene?

    <p>Thermal cracking</p> Signup and view all the answers

    Which catalyst deactivates the FCC catalyst?

    <p>Coke and tar</p> Signup and view all the answers

    What is the main product of methanol synthesis?

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

    What is the composition of higher alcohols synthesized from natural gas via syngas?

    <p>68-72% methanol, 10-15% ethanol, 3-5% C3, 2-3% C4, 7-12% C5</p> Signup and view all the answers

    Which type of cracking process can be performed both catalytically and non-catalytically?

    <p>Thermal cracking</p> Signup and view all the answers

    What is the current catalyst used in the cracking process?

    <p>Modern zeolite catalysts</p> Signup and view all the answers

    What is the main product obtained from cracking large petroleum molecules?

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

    Which of the following is NOT one of the feedstocks that can be used in the Fischer-Tropsch (F-T) synthesis process?

    <p>Crude oil</p> Signup and view all the answers

    What is the main purpose of the syngas purification step in the Fischer-Tropsch (F-T) synthesis process?

    <p>To remove impurities from syngas</p> Signup and view all the answers

    Which catalysts are commonly used in the Fischer-Tropsch (F-T) synthesis process?

    <p>Co-Fe catalysts</p> Signup and view all the answers

    Which of the following is true about the cracking reactions in FCC under industrial conditions?

    <p>Isomerizations and dealkylation of aromatics go to a high extent</p> Signup and view all the answers

    Which type of cracking is indicated by high yields of propylene?

    <p>Catalytic cracking</p> Signup and view all the answers

    What is the significance of CO2 not being shown in the final equation of the methanol synthesis?

    <p>CO2 is an inhibitor for the reaction</p> Signup and view all the answers

    What is the primary use of methanol in the chemical industry?

    <p>Production of formaldehyde</p> Signup and view all the answers

    Which catalyst is primarily used in the cracking process practiced 5-6 decades ago?

    <p>SiO2-Al2O3 catalysts</p> Signup and view all the answers

    What is the main purpose of the fluidized catalytic cracking (FCC) process?

    <p>To convert gas oil into gasoline</p> Signup and view all the answers

    What is the significance of ZSM-5 in the fluidized catalytic cracking (FCC) process?

    <p>It is a catalyst used to increase the selectivity of desired products</p> Signup and view all the answers

    Which of the following is NOT a typical reaction in Fluid Catalytic Cracking (FCC)?

    <p>Aromatic hydrogenation</p> Signup and view all the answers

    What is the main cause of FCC catalyst deactivation?

    <p>Coke and tar formation</p> Signup and view all the answers

    What are the reactor variables in a two-stage Fluid Catalytic Cracking (FCC) process?

    <p>Low temperature and short residence time</p> Signup and view all the answers

    What is the main advantage of the ICI process for methanol production?

    <p>Larger capacity, single train converter designs</p> Signup and view all the answers

    Which of the following feedstocks can be used in the Fischer-Tropsch (F-T) synthesis process?

    <p>Natural gas (NG)</p> Signup and view all the answers

    What is the significance of the Sabatier reaction in the development of the Fischer-Tropsch (F-T) synthesis process?

    <p>It led to BASF's Co-catalyzed liquid HC synthesis</p> Signup and view all the answers

    What are the 4 steps involved in the Fischer-Tropsch (F-T) synthesis process?

    <p>Production of syngas, Syngas purification, FTS, Separation and upgrading of products</p> Signup and view all the answers

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