L1 /
8
CH3041
PAN
CH3CHO + OH. +O2+ NO2 ® CH3COO2NO2 + H2O
•The
formation of PAN and formaldehyde
involve the hydroxyl radical. This is the
key reactant that removes VOC compounds.
involve the hydroxyl radical. This is the
key reactant that removes VOC compounds.
• The photoinduced reactions that occur
in
smog pass through many steps in chain
reactions that generate
many intermediates.
smog pass through many steps in chain
reactions that generate
many intermediates.
Degradation of
Butane
• The VOC compounds
are hard to measure in
the atmosphere and it is
only recently that GC-MS
monitoring has begun.
are hard to measure in
the atmosphere and it is
only recently that GC-MS
monitoring has begun.
