3888808
Beschreibung
Karteikarten von Iona Diack, aktualisiert more than 1 year ago
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Erstellt von Iona Diack
vor fast 11 Jahre
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| Frage | Antworten |
| How is Ethanol made? | From the hydration of Ethene with steam in the presence of a catalyst. |
| What is another way that Ethanol can be made? | By fermentation from sugar using fermentation. |
| How is the process carried out? | by fungus, yeast enzymes in the yeast act on the sugars converting them into ethanol and carbon dioxide. |
| What temperature does the process need to be carried out at? | 18-20 degrees celsius. |
| What is allowed to escape and what is prevented from entering the reaction vessel? | Carbon Dioxide is allowed to escape. Air is prevented from entering the reaction vessel. |
| How is Ethanol separated from the reaction mixture? | Fractional Distillation |
| Which method is said to use up finite resources and which one is said to be renewable? | The Ethene Cracking Crude Oil Method uses up resources. The sugars obtained from the crops is renewable. |
| Which Method is a continuous process and which is the batch process ? | Ethene = Continous Fermentation = Batch |
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