Ethanol production by fermentation or steam

I'm not sure if this is necessary for ocr salters b but it can't hurt to know, i'm sure it will be helpful if you're ocr a

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The 2 ways ethanol can be formed are by...
steam hydration and fermentation
1 of 10
In steam hydration the catalyst is
phosphoric acid
2 of 10
The ethene comes from...
cracking heavy fractions of crude oil
3 of 10
The process of fermentation is...
exothermic
4 of 10
the conditions are...
anaerobic
5 of 10
The yeast dies at
15% concentration of ethanol
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yeast produces
an enzyme that converts sugar in to ethanol an CO2
7 of 10
Fermentation uses
cheap equipment
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It is good because it is
a renewable source of energy
9 of 10
Finally the ethanol is
purified
10 of 10

Other cards in this set

Card 2

Front

In steam hydration the catalyst is

Back

phosphoric acid

Card 3

Front

The ethene comes from...

Back

Preview of the front of card 3

Card 4

Front

The process of fermentation is...

Back

Preview of the front of card 4

Card 5

Front

the conditions are...

Back

Preview of the front of card 5
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Comments

Georgina

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avg

LamisDK

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really useful.  :)

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