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WorksheetsPetrochemical catalysts #3
Total questions: 10
Worksheet time: 20mins
FCC catalysts are made up of 4 parts, what are they?
Zeolite, Matrix, Regenerator, Filler
Matrix, Reactor, Zeolite, Regenerator
Binder, Filler, Zeolite, Matrix
Reactor, Filler, Binder, Zeolite
What is the function of zeolites in FCC? There are more than 1 correct answer.
They act as a support material for catalyst
They provide physical strength for the catalyst
They provide catalytic activity sites for larger molecules
They act as a molecular sieve with distinctive structure
What is the purpose of matrix that contains amorphous alumina in FCC?
To provide physical strength and integrity of catalyst
It is the main active component in FCC
To provide catalytic activity sites for larger molecules
It acts as a support material for catalyst
What are binder and filler components for in FCC?
To provide catalytic activity sites for larger molecules
To provide physical strength of the catalyst
They act as a molecular sieve with a distinctive structure
They act as a support material for catalyst
Which one of these is the main active component in FCC?
Matrix
Zeolite
Binder
Filler
What kind of effect does metal contaminants such as nickel, vanadium and iron have on the catalyst activity?
Helpful
Useless
Harmful
Useful
When a catalyst is capable to do its work, that means the catalyst is ______________
Inactive
Active
Reactive
Unreactive
Which of these steps can be taken to maintain the performance and activity of FCC? Click on ALL of the correct answers
Avoid feedstock with metal contents
Increase fresh catalyst addition
Demetallisation by removing nickel and vanadium from the spent catalyst
Metal passivation whereby contaminant forms less harmful compound
Which of these options are the desirable characters for FCC catalyst? Click on ALL of the correct answers.
Selective in terms of the product formed and type of reactants being catalysed
The catalyst must be able to withstand the temperature and pressure in the regenerator
Difficult to obtain
The catalyst must be able to withstand the action of poison and impurities
Which of these are the BEST way to dispose waste catalyst? There are 2 correct answers.
Landfill
Reuse the waste catalysts
Regenerate the waste catalysts
Leaching by water
