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WorksheetsPetrochemical catalysts #5
Total questions: 10
Worksheet time: 20mins
Which of these definitions apply to catalytic reforming? Choose all correct options
Low octane naphtha is converted into mainly isomerised and aromatic products
Converting low-octane naphtha to high-octane reformate products
Atoms in hydrocarbon is rearranged to form products
Feedstock source is distilled crude oil
Which of these processes are a form of catalytic reforming?
Hydrogenation/Dehydrogenation
Isomerisation
Reformation
Cyclisation/Dehydrocyclisation
What is the main reaction taking place on Pt catalytic site of a monometallic catalyst?
Isomerisation
Cyclisation
Hydrocracking
Hydrogenation/Dehydrogenation
What does the acid site on Pt catalyst promote? There may be MORE than one answer
Isomerisation
Cyclisation
Hydrogenation
Hydrocracking
Why does Pt need to be supported on carrier alumina? Choose all of the correct answers
Pt is a weak catalyst
To maximise surface area of Pt
To effectively exert the catalytic effect of active components
To ensure Pt is doing its job
Why are bi-metal and multi-metal catalyst better than mono-metal catalyst? There may be more than one answer
They last longer
They improve the yield of gasoline
They increase the operating condition
They produce high production of coke
Which of these causes the deactivation of catalysts?
Catalyst has been used many times
Catalyst is poisoned
Catalyst are intoxicated by sulfur
Catalyst is weakened by its acid site
Which of these sequences describe the basic steps of catalytic reforming process?
Feed preparation - Catalytic reforming - Preheating - Product separation
Feed preparation - Preheating - Catalytic reforming - Product separation
Preheating - Feed preparation - Catalytic reforming - Product separation
In catalytic reforming, what is the process that remove gases and reformate at the product separation stage?
Filtration
Catalyst circulation
Distillation
Fractional distillation
What type of catalytic reforming does the image show?
Cracking
Hydrogenation
Isomerisation
Cyclisation
