Nanomaterials,
Год журнала:
2023,
Номер
13(19), С. 2710 - 2710
Опубликована: Окт. 6, 2023
The
ubiquitous
pollution
by
antibiotics
and
heavy
metal
ions
has
posed
great
threats
to
human
health
the
ecological
environment.
Therefore,
we
developed
a
self-propelled
tubular
micromotor
based
on
natural
fibers
as
an
active
heterogeneous
catalyst
for
antibiotic
degradation
adsorbent
in
soil/water.
prepared
micromotors
can
move
presence
of
hydrogen
peroxide
(H2O2)
through
bubble
recoil
mechanism.
MnO2
NPs
MnFe2O4
loaded
hollow
not
only
enabled
self-driven
motion
magnetic
control
but
also
served
activators
peroxymononsulfate
(PMS)
H2O2
produce
free
radicals
SO4•-
•OH.
Benefiting
from
self-propulsion
generation,
effectively
overcome
disadvantage
low
diffusivity
traditional
catalysts,
achieving
more
than
90%
TC
soil
within
30
min.
Meanwhile,
due
large
specific
surface
area,
abundant
sites,
strong
negative
zeta
potential,
adsorb
water
In
120
min,
removed
94%
lead
ions,
increase
47%
compared
static
micromotors,
illustrating
advantages
on-the-fly
capture.
with
excellent
catalytic
performance
adsorption
capacity
simultaneously
degrade
ions.
Moreover,
response
be
separated
system
after
completion
task,
avoiding
problem
secondary
pollution.
Overall,
proposed
provide
new
approach
utilization
materials
environmental
applications.
The
growing
rate
of
urbanization
and
industrialization
has
led
to
an
increase
in
several
types
pollution
caused
by
the
release
toxic
chemicals
environment.
This
is
usually
perpetuated
manufacturing
industry
(e.g.
detergent
dye),
agricultural
sectors
fertilizers
pesticides),
mining
cyanide
sulphuric
acid)
construction
companies
cement
metals).
These
pollutants
have
adverse
effects
on
health
plants,
animals,
humans.
They
also
lead
destruction
microbial
population
both
aquatic
terrestrial
regions,
hence,
necessitated
need
for
remediation.
Although
different
remediation
methods,
such
as
physical
chemical
been
adopted
years,
however,
drawbacks
challenges
associated
with
them
promoted
use
alternative
which
bioremediation.
Bioremediation
involves
using
biological
agents
plants
microbes
remove
or
lessen
environmental
pollutants.
Of
two,
are
more
utilized
primarily
because
their
rapid
growth
ability
be
easily
manipulated,
thus
enhancing
function
Different
groups
bacteria,
fungi
algae
employed
clean
up
various
review
discusses
types,
mechanisms,
factors
affecting
It
recommends
possible
steps
that
could
taken
promote
bioremediation
agents.
Sustainability,
Год журнала:
2025,
Номер
17(2), С. 701 - 701
Опубликована: Янв. 17, 2025
Heavy
metals
originating
from
industrial
runoff,
agricultural
practices,
urbanization,
and
natural
geological
processes
persist
in
coastal
sediments
due
to
their
low
degradation
rates
high
stability.
Their
cycling
is
influenced
by
sediment
dynamics,
water
circulation,
complex
interactions
with
biological
chemical
factors.
metal
pollution
demonstrates
serious
risks
biota,
including
fish,
shellfish,
algae,
marine
mammals
through
mechanisms
such
as
bioaccumulation
biomagnification.
These
lead
biodiversity
loss,
habitat
degradation,
reduced
ecosystem
functionality.
Current
mitigation
strategies
for
control
regulations
remediation
techniques
show
promise
but
face
challenges
implementation.
Emerging
technologies
nanotechnology
bioremediation
offer
innovative
solutions
require
further
validation.
Knowledge
gaps
understanding
the
long-term
ecological
impacts
of
heavy
contamination
optimizing
management
diverse
ecosystems.
Coastal
ecosystems
are
vital
supporting
providing
essential
services,
they
increasingly
threatened
pollution—a
pervasive
environmental
challenge
that
demands
urgent
attention.
This
review
investigates
sources,
characteristics,
pathways,
impacts,
associated
environments.
The
synthesizes
findings
recent
literature,
employing
a
systematic
approach
analyze
anthropogenic
biogeochemical
governing
cycling.
Future
research
should
focus
on
addressing
these
interdisciplinary
approaches,
integrating
advanced
modeling
techniques,
stakeholder
engagement,
sustainable
practices.
By
prioritizing
efforts,
we
can
safeguard
services
escalating
threats
pollution.
International Journal of Electrochemical Science,
Год журнала:
2023,
Номер
18(8), С. 100234 - 100234
Опубликована: Июнь 10, 2023
Soil
electrokinetics
(SEK)
emerged
in
the
beginning
of
1990
as
a
promising
approach
to
remediate
contaminated
soils,
well
for
dewatering,
soil
restoration,
pollution
prevention,
geophysics,
seed
germination,
sedimentation,
and
consolidation.
Our
previous
review
titled
"Comprehensive
progress
made
electrokinetic
research
during
1993–2020,
Part
I:
Process
design
modifications
with
brief
summaries
main
output"
summarized
SEK
process
1993–2020
(∼
28
years),
which
approximately
125
designs/perspectives
were
discussed.
During
was
classified
into
three
approaches:
horizontal
(19
processes),
vertical
(11
mixed
(7
based
on
position
anodes
cathodes
that
control
element
movement.
In
present
review,
we
surveyed
2021–2022
provide
readers
an
update
new
innovations
incorporated
regular
designs.
Based
our
search
six
most
popular
engines,
carried
out
mainly
focused
process,
few
studies
design;
however,
no
has
(combining
processes).
2021
2022,
involved
13
processes.
general
study
conducted
investigate
electrical
distribution
moisture
migration
unsaturated
clay
under
electroosmosis,
addition,
two
electro-osmosis
gradient
chloride
extraction.
variety
(29
modifications)
will
be
introduced
maximize
performance,
may
utilized
increase
remediation
efficiency.
Soil Systems,
Год журнала:
2024,
Номер
8(2), С. 36 - 36
Опубликована: Март 22, 2024
The
migration
of
heavy
metals
and
radionuclides
is
interrelated,
this
study
focusses
on
the
interaction
complex
influence
various
toxicants.
rehabilitation
radioactively
contaminated
territories
has
a
character
based
scientifically
supported
measures
to
restore
industrial,
economic,
sociopsychological
relations.
We
aim
for
achievement
pre-emergency
levels
hygienic
norms
radioactive
contamination
output
products.
This,
in
its
sum,
allows
further
economic
activity
these
without
restrictions
basis
natural
actions
autoremediation.
Biosorption
technologies
bacterial
biomass
remain
promising
direction
remediation
soils
with
that
help
immobilise
consolidate
contaminants.
A
comprehensive
understanding
biosorption
capacity
preparations
selection
more
effective
techniques
elimination
contaminants,
as
well
overcoming
differences
between
laboratory
results
industrial
use.
Observation
monitoring
make
it
possible
evaluate
process
identify
regions
disturbed
balance
harmful
substances.
soil
application
phosphogypsum,
by-product
chemical
industry,
bioremediation
processes
considered.
