Biodiesel (AQA A-Level Chemistry): Flashcards
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Chemical composition of biodiesel
Chemical composition of biodiesel
Mixture of methyl esters of long chain carboxylic acids
Process to produce biodiesel from vegetable oils
Process to produce biodiesel from vegetable oils
Transesterification
Definition of transesterification
Definition of transesterification
Reacting an ester with an alcohol to produce a different ester and different alcohol
Catalyst used in biodiesel production
Catalyst used in biodiesel production
Strong base like KOH
Definition of carbon-neutral fuel
Definition of carbon-neutral fuel
released when burned = absorbed during growth
How plants contribute to biodiesel carbon neutrality
How plants contribute to biodiesel carbon neutrality
Absorb during photosynthesis, released when fuel burns
Source of methanol used in biodiesel production
Source of methanol used in biodiesel production
Often derived from fossil fuels
Land use disadvantage of biodiesel production
Land use disadvantage of biodiesel production
Competes with food crops, may cause food shortages
Environmental impact of clearing land for biodiesel crops
Environmental impact of clearing land for biodiesel crops
Deforestation, loss of biodiversity, emissions
Energy sources to make biodiesel more carbon-neutral
Energy sources to make biodiesel more carbon-neutral
Solar, wind, or hydropower for production processes