Curiosities from written exams
Curiosities from written exams
Written exam Chemical Processes 2009
| "... the combustion of coal produces H2 + CO2..." | That's why natural gas is so explosive |
| "... fats, among other things, are extracted from coal..." | Hence the term "fat coal" |
 | Vinyl nitrile |
 | propene oxide |
| "...... bubble layer reactor..." | New reactor types |
| "...bundle tube reactor ..." | |
| "... CO2 is separated from natural gas by combustion...." | Something like slash-and-burn |
Written exam Chemical Processes 2010
 | Propene oxide |
| "... Biodiesel is a waste product of animal feed production...." | Sometimes the world is really simple! |
| C6H12O6 -> 2 CO2 + 4 CH3OH | Nature strikes back: Stop drinking alcohol! |
".. A co-product is a simultaneously produced product of several products..." | Who is coupling with whom here? |
"A bifunctional catalyst catalyses both forward and reverse reactions...." | What about the bi- ? |
| "Hydroreforming" | The solution to the world's fuel problem? |
 | Chemistry is really puzzling! |
 | A new challenge for synthesisers and catalysts! |
Written exam Chemical Processes 2013
|
Where is NH2 available in larger quantities? |
| CH₄ + CO -> CH₃OH | One more dream reaction and life in the Bahamas is assured! |
| CH₄ + CO + H₂ -> C₂H₅OH | So that it doesn't get too dry there! |
 | New perspectives on carbonylation reactions. The nomenclature should also be adapted to the students' suggestions. |
| Written exam 2015 | |
| The reaction was carried out in a multi-bed reactor. | After all, there are also single and multi-bed rooms |
| The acidic components of natural gas are H₂O and H₂SO₄. | Yes, yes, the acid rain... |
| Written exam 2016 | |
| .. CO2 is separated from natural gas by burning it..... | ... and after the successful operation, the patient was dead... |
| Written exam 2017 | |
| CH₄ + N₂ + O₂ -> 2 NH₃ + H₂O + CO | Despite several Nobel Prizes, there is still room for improvement in ammonia synthesis |
| Written exam 2018 | |
| Variants of the Claus process | |
| H₂S + O₂ -> SO + 4 H₂ on a Pt catalyst | |
| 8 SO₂ -> S₈ + 8 O₂ | |
| HS + SO3-> S₈ + H₂O | |
| Variants of the Hock process | |
| Propene + O₂ -> acetone | |
| Cyclohexane + C₂H₄ + O₂ -> phenol + acetone | |
| Benzene + propene -> cumene + acetone |
