The Global Environmental Engineers,
Journal Year:
2024,
Volume and Issue:
11, P. 37 - 53
Published: Dec. 15, 2024
With
the
advancement
of
industrialization,
water
pollution
has
become
a
pressing
global
environmental
issue.
Traditional
treatment
technologies
are
struggling
to
remove
emerging
contaminants
and
meet
current
discharge
standards,
against
this
backdrop,
micro-nano
bubbles
(MNBs)
technology
attracted
considerable
research
attention
due
its
unique
physicochemical
properties,
such
as
long-term
stability,
high
internal
pressure,
photoelectric
characteristics,
reactive
oxygen
species
(ROS)
generation
capabilities,
especially
in
combination
with
advanced
oxidation
processes
(AOPs).
A
comprehensive
understanding
MNBs
utilization
is
significant
for
developing
green,
economical,
highly
effective
wastewater
technologies.
Herein,
on
basis
literature
survey,
review
article
systematically
studied
distinctive
characteristics
MNBs,
along
methodologies
employed
their
generation.
It
concurrently
explores
characterization
methods
used
assess
properties
which
instrumental
subsequent
analyses
how
these
can
enhance
catalytic
performance
AOPs.
Finally,
potential
applications
sector
points
out
direction
future
research,
including
development
more
efficient
cost-effective
technologies,
in-depth
exploration
mechanisms
AOPs,
impact
assessments.
This
aims
provide
readers
an
intrinsic
correlation
between
thereby
enabling
optimal
remediation.
The
ozone
micro-nano-bubble-enhanced
oxidation
(O3MNBEO)
technology
has
shown
great
potential
for
organics-contaminated
groundwater
remediation
in
laboratory
studies.
However,
few
studies
addressed
its
effectiveness
engineering
practices
as
well
the
impact
on
environment.
In
this
study,
a
field
demonstration
was
conducted
to
investigate
efficiency
of
O3MNBEO
remediating
contaminated
by
various
organic
compounds.
exhibited
high
removal
efficiencies
ranging
from
85
100%
benzene
and
significantly
reduced
concentration
naphthalene,
toluene,
petroleum
hydrocarbons
5-day
remediation.
Groundwater
using
required
less
energy
consumption
CO2
emissions.
Moreover,
had
no
significant
effect
pH
conductivity,
oxidation-reduction
(ORP)
dissolved
oxygen
(DO)
substantially
increased
during
process.
variations
ORP
demonstrated
correlation
with
contaminant
concentration,
which
could
serve
indicator
assessing
progress.
It
is
also
worth
noting
that
presence
preferential
seepage
channels
strata
allows
rapid
migration
MNBs,
extending
reach
MNBs.
This
study
demonstrates
an
efficient,
practical,
green,
sustainable
can
be
applied
situ
groundwater.
