Fractional Distillation & Petrochemicals (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Fractional distillation
Fractional distillation
Process separating mixtures by different boiling points
Crude oil
Crude oil
Complex mixture of hydrocarbons from ground
Fractions (crude oil)
Fractions (crude oil)
Mixtures with similar carbon chain lengths & properties
Hottest part of fractionating column
Hottest part of fractionating column
Bottom
Where high BP hydrocarbons condense
Where high BP hydrocarbons condense
Lower in column where temp is higher
Where low BP hydrocarbons go
Where low BP hydrocarbons go
Rise higher up column
Property separating crude oil in fractional distillation
Property separating crude oil in fractional distillation
Different boiling points
Petrochemicals
Petrochemicals
Substances from crude oil
Feedstocks
Feedstocks
Raw materials for petrochemical industry
Examples of petrochemical products
Examples of petrochemical products
Solvents, lubricants, detergents, polymers
Where crude oil enters frac. column
Where crude oil enters frac. column
Bottom
Temp gradient in frac. column
Temp gradient in frac. column
Hottest at bottom, cools moving up