30 Questions
Which process involves breaking down large petroleum molecules into smaller hydrocarbons primarily in the gasoline range?
Cracking
What type of catalysts are denoted by ovals in the diagram?
Noble metal catalysts
What was the major design change in the cracking process practiced 5-6 decades ago?
From a large fluidized bed to a small tube
Which technology is seen as suitable to use under-utilized or flared natural gas to produce premium quality diesel fuel?
Gas-to-Liquid (GTL) technology
Which of the following is NOT one of the 4 steps in the Fischer-Tropsch (F-T) synthesis process?
Production of syngas
Which reaction led to the invention of the Fischer-Tropsch (F-T) synthesis process?
Co-catalyzed liquid HC synthesis
Which type of cracking is indicated by high yields of ethylene?
Thermal cracking
Which catalyst deactivates the FCC catalyst?
Coke and tar
What is the main product of methanol synthesis?
Methanol
What is the composition of higher alcohols synthesized from natural gas via syngas?
68-72% methanol, 10-15% ethanol, 3-5% C3, 2-3% C4, 7-12% C5
Which type of cracking process can be performed both catalytically and non-catalytically?
Thermal cracking
What is the current catalyst used in the cracking process?
Modern zeolite catalysts
What is the main product obtained from cracking large petroleum molecules?
Gasoline
Which of the following is NOT one of the feedstocks that can be used in the Fischer-Tropsch (F-T) synthesis process?
Crude oil
What is the main purpose of the syngas purification step in the Fischer-Tropsch (F-T) synthesis process?
To remove impurities from syngas
Which catalysts are commonly used in the Fischer-Tropsch (F-T) synthesis process?
Co-Fe catalysts
Which of the following is true about the cracking reactions in FCC under industrial conditions?
Isomerizations and dealkylation of aromatics go to a high extent
Which type of cracking is indicated by high yields of propylene?
Catalytic cracking
What is the significance of CO2 not being shown in the final equation of the methanol synthesis?
CO2 is an inhibitor for the reaction
What is the primary use of methanol in the chemical industry?
Production of formaldehyde
Which catalyst is primarily used in the cracking process practiced 5-6 decades ago?
SiO2-Al2O3 catalysts
What is the main purpose of the fluidized catalytic cracking (FCC) process?
To convert gas oil into gasoline
What is the significance of ZSM-5 in the fluidized catalytic cracking (FCC) process?
It is a catalyst used to increase the selectivity of desired products
Which of the following is NOT a typical reaction in Fluid Catalytic Cracking (FCC)?
Aromatic hydrogenation
What is the main cause of FCC catalyst deactivation?
Coke and tar formation
What are the reactor variables in a two-stage Fluid Catalytic Cracking (FCC) process?
Low temperature and short residence time
What is the main advantage of the ICI process for methanol production?
Larger capacity, single train converter designs
Which of the following feedstocks can be used in the Fischer-Tropsch (F-T) synthesis process?
Natural gas (NG)
What is the significance of the Sabatier reaction in the development of the Fischer-Tropsch (F-T) synthesis process?
It led to BASF's Co-catalyzed liquid HC synthesis
What are the 4 steps involved in the Fischer-Tropsch (F-T) synthesis process?
Production of syngas, Syngas purification, FTS, Separation and upgrading of products
Quiz on important processes in crude oil processing, including cracking and catalytic processes. Designed for students in the Energy Masters Course, Section 3, taught by Professor K.R. Thampi.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
