The Contact Process Flashcards
1
Q
Steps in the Contact Process:
A
- Formation of SO₂
- Purification of SO₂
- Drying SO₂
- Arenic purifying chamber
- Formation of SO₃
- Formation of oleum
- Dilution of oleum
2
Q
Why should SO₂ be purified?
A
It contains impurities, dust, and arsenic particles that were present in the air because they render the activity of the catalyst useless
3
Q
What chemical is used for arsenic purification?
A
Fe(OH)₃
4
Q
The catalyst used for the formation of SO₃
A
Vanadium pentoxide under 450⁰C and 1-2 atmospheric pressure
5
Q
What is the formula for oleum?
A
H₂S₂O₇
