Petrochemical catalysts #3

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