Oxidation Mechanism Flashcards
1
Q
In a H 2-O2 system, the second explosion limit is mainly caused by …
A
The main chain termination reaction:
H + O2 + M = HO2 + M
2
Q
In a H 2-O2 system, the third explosion limit is mainly caused by …
A
HO2 + H2 = H2O2 + H
H2O2 + M = OH + OH + M
3
Q
In a H 2-O2 system, the first explosion limit is mainly caused by …
A
H + O2 = O + OH
4
Q
For a PEA, which statement is important?
A
PEA is okay for a strongly burning flame.
5
Q
At ambient pressure, to the reaction
H + O2 = HO + O
belongs to which system?
A
- H2/air system
- H2/O2 system
- CH4/air system
6
Q
At ambient pressure, the reaction
H + O2 = HO + O
has about which activation energy?
A
15 kcal/mol
7
Q
In a lean CH4/air flame, which reaction is the dominant chain termination reaction?
A
H + O2 + M = HO2 + M
8
Q
What’s the methane ignition reaction?
A
CH4 + M = CH3 + H + M
