The Yield of Oxygenated VOCs from Ozone Deposition on Aged Indoor Surfaces
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 30, 2025
Ozone
(O3)
loss
on
surfaces
forms
oxygenated
VOCs
(OVOCs)
that
can
cause
adverse
health
effects.
Previous
studies
have
focused
surface
ozonolysis
of
pure
unsaturated
compounds
impermeable
surfaces,
whereas
other
work
has
addressed
this
chemistry
in
genuine
indoor
environments.
Our
goal
is
to
bridge
gap
by
examining
O3
and
OVOC
production
glass
paint
both
laboratory
experiments,
using
purposefully
contaminated
with
(squalene,
triolein),
complex
oils
(skin,
olive),
were
aged
an
occupied
apartment.
Paint
was
chosen
as
a
permeable
reactive
material,
which
the
most
common
surface.
It
found
indoors
had
lower
yields
than
when
exposed
O3,
probably
because
reacts
materials
rather
deposited
organics.
Many
OVOCs
measured,
including
skin
oil
products
such
acetone,
6-MHO,
4-OPA;
however,
highest
from
apartment
samples
nonanal
hexanal,
levels
highly
correlated
amount
cooking
occurred.
Experiments
produce
species
similar
those
observed
Язык: Английский
Surfaces, silica and semivolatile organics—limonene uptake and desorption indoors and outdoors
Environmental Science Processes & Impacts,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
uptake
and
desorption
of
organics
on
silica
surfaces
is
important
in
both
outdoor
indoor
environments.
Язык: Английский