Cracking Flashcards by 12D2Orieoma Chukwu-Etu | Brainscape

Q

What is cracking?

A

Breaking long hydrocarbons into smaller useful molecules

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Q

Properties of Thermal cracking?

A

Very high Temp (400-900)
Very high Pressure (5000KPa-8000KPa)
No catalyst needed
Produces alkenes and straight chain alkanes
Products used for producing polymers

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Q

Properties of Catalytic cracking

A

Temp 450
Pressure: slightly above atmospheric
Zeolite catalyst used
Produces branched hydrocarbons, cyclic hydrocarbon and aromatic hydrocarbons
Useful as fuels

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