Abstract
Microplastic
(MP)
pollution
in
terrestrial
ecosystems
is
gaining
attention,
but
there
limited
research
on
its
effects
leafy
vegetables
when
combined
with
heavy
metals.
This
study
examines
the
impact
of
three
MP
types—polyethylene
(PE),
polyethylene
terephthalate
(PET),
and
polystyrene
(PS)—at
concentrations
0.02,
0.05,
0.1%
w/w,
along
cadmium
(Cd)
biochar
(B),
germination,
growth,
nutrient
absorption,
metal
uptake
red
amaranth
(
Amaranthus
tricolor
L.).
We
found
that
different
types
did
not
negatively
affect
germination
parameters
like
rate,
relative
vigor,
speed.
However,
they
increased
phytotoxicity
decreased
stress
tolerance
compared
to
an
untreated
control
(CK1).
The
presence
MPs,
particularly
PS
type,
reduced
phosphorus
potassium
while
enhancing
Cd
uptake.
For
example,
treatments
0.02
CdB,
0.05
0.1
CdB
content
A.
seedlings
by
158%,
126%,
44%,
respectively,
treatment
(CK2).
Additionally,
contamination
led
plant
height,
leaf
dry
matter
content,
fresh
weights,
indicating
adverse
growth.
Moreover,
MPs
bioconcentration
factors
translocation
for
Cd,
suggesting
might
act
as
carriers
absorption
plants.
On
positive
side,
addition
improved
several
root
parameters,
including
length,
volume,
surface
area,
number
tips
potential
benefits
Our
shows
combination
reduces
growth
increases
risk
food
crops.
Further
needed
understand
how
various
species,
which
will
aid
developing
targeted
mitigation
strategies
exploring
mechanisms
through
Finally,
investigating
application
conjunction
other
amendments
mitigating
these
could
be
key
addressing
agricultural
systems.
Environmental Science and Ecotechnology,
Год журнала:
2024,
Номер
21, С. 100420 - 100420
Опубликована: Апрель 12, 2024
Chlorinated
organic
pollutants
constitute
a
significant
category
of
persistent
due
to
their
widespread
presence
in
the
environment,
which
is
primarily
attributed
expansion
agricultural
and
industrial
activities.
These
are
characterized
by
persistence,
potent
toxicity,
capability
for
long-range
dispersion,
emphasizing
importance
eradication
mitigate
environmental
pollution.
While
conventional
methods
removing
chlorinated
encompass
advanced
oxidation,
catalytic
bioremediation,
utilization
biochar
has
emerged
as
prominent
green
efficacious
method
recent
years.
Here
we
review
biochar's
role
remediating
typical
organics,
including
polychlorinated
biphenyls
(PCBs),
triclosan
(TCS),
trichloroethene
(TCE),
tetrachloroethylene
(PCE),
organochlorine
pesticides
(OCPs),
chlorobenzenes
(CBs).
We
focus
on
impact
material
properties
adsorption
mechanisms
organics.
This
highlights
use
sustainable
eco-friendly
pollutants,
especially
when
combined
with
biological
or
chemical
strategies.
Biochar
facilitates
electron
transfer
efficiency
between
microorganisms,
promoting
growth
dechlorinating
bacteria
mitigating
toxicity
organics
through
adsorption.
Furthermore,
can
activate
processes
such
oxidation
nano
zero-valent
iron,
generating
free
radicals
decompose
compounds.
observe
broader
application
bioprocesses
treating
soil,
reducing
impacts.
Conversely,
water-based
integrating
proved
more
effective,
leading
superior
purification
results.
contributes
theoretical
practical
pollutants.
Results in Engineering,
Год журнала:
2024,
Номер
23, С. 102404 - 102404
Опубликована: Июнь 14, 2024
With
the
progress
of
human
civilization,
development
technology
and
increasing
population,
world
is
currently
facing
an
important
problem
called
pollution,
which
threatens
lives
inhabitants
planet,
so
that
in
every
country,
environmental
protection
a
serious
concern
statesmen.
Pollution
caused
by
accumulation
soil
water
from
persistent
toxic
compounds
such
as
chemicals,
salts,
heavy
metals
radioactive
substances
are
causes
diseases
have
inconsistent
effects
on
growth
health
animals
humans.
The
release
environment
due
to
industrialization
expansion
urbanization
has
brought
great
problems
all
over
world,
increase
pollution
concerns
their
carcinogenic
properties,
indestructibility
biological
accumulation.
Adsorption
industrial
effluents
one
issues.
So
far,
various
methods
been
considered
for
adsorption
these
metals,
use
methods.
There
natural
synthetic
adsorption,
each
specific
advantages,
recently
chitosan
also
composites
used.
Being
economical
terms
economy,
easy
access
compliance
with
standards
among
advantages
method.
In
this
study,
basis
performance,
disadvantages
different
finally
adsorbent
nanofibers
discussed.
Abstract
Over
the
past
10–15
years,
biochar
has
garnered
significant
global
attention
in
agriculture
and
environmental
science.
While
most
research
focused
on
benefits
of
application
soil
enhancement,
water
quality
improvement,
climate
change
mitigation,
potential
risks
associated
with
its
use
have
often
been
overlooked.
This
oversight
is
critical,
as
fate
contingent
upon
understanding
these
risks.
Once
released
into
environment,
can
interact
media,
potentially
releasing
pollutants
threatening
ecosystems.
Therefore,
it
essential
to
evaluate
unintended
health
during
production
select
appropriate
types
for
sustainable
development.
review
was
conducted
by
systematically
analyzing
synthesizing
relevant
studies
from
Web
Science,
focusing
recent
advancements
key
debates
field.
It
categorizes
endogenous
exogenous
based
source
carried
biochar.
The
analyzes
detail
impacts
raw
materials,
preparation
processes,
scenarios
Furthermore,
provides
a
thorough
overview
adverse
effects
animals,
plants,
microorganisms,
human
health,
elucidating
mechanisms
pollutant
release,
aging,
nano-effects
geochemical
processes
involving
Additionally,
this
summarizes
risk
assessment
methods
biochar,
providing
reference
safe
development
biochar-related
research.
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