Podcast
Questions and Answers
What is the operating temperature range for the reactions carried out in vapor phase?
What is the operating temperature range for the reactions carried out in vapor phase?
- 200 - 300 oC
- 700 - 800 oC
- 500 - 600 oC (correct)
- 300 - 400 oC
Which catalysts are used in the reactions carried out in vapor phase?
Which catalysts are used in the reactions carried out in vapor phase?
- Silver or zinc oxide catalysts (correct)
- Nickel or copper catalysts
- Iron or aluminum catalysts
- Platinum or gold catalysts
What is the feed ratio for CH3OH: O2 in the mentioned process?
What is the feed ratio for CH3OH: O2 in the mentioned process?
- 30-50% CH3OH (correct)
- 10:1
- 1:1
- 80-90% O2
What is the absorbent used in the absorption tower mentioned in the process description?
What is the absorbent used in the absorption tower mentioned in the process description?
Where is the bottom product from the absorber sent to?
Where is the bottom product from the absorber sent to?
What is used to remove the remaining unreacted methanol in the formalin production process?
What is used to remove the remaining unreacted methanol in the formalin production process?
What temperature range does the final product gas have after the reaction?
What temperature range does the final product gas have after the reaction?
'Light end scrubber' is used to remove which compounds from the product stream?
'Light end scrubber' is used to remove which compounds from the product stream?
'Formaldehyde rich water' produced from a scrubber is recycled as an absorbent at which section of the absorber?
'Formaldehyde rich water' produced from a scrubber is recycled as an absorbent at which section of the absorber?
'Heat integration concept' is used after which stage of the process description?
'Heat integration concept' is used after which stage of the process description?
