Water,
Год журнала:
2025,
Номер
17(2), С. 207 - 207
Опубликована: Янв. 14, 2025
This
study
aimed
to
produce
activated
carbon
from
desilicated
rice
husks
using
various
carbonization
and
activation
methods,
including
a
tube
furnace,
muffle
artisanal
pyrolysis.
The
resulting
carbons
were
characterized
for
their
adsorptive
capacity
through
the
determination
of
iodine
number
methylene
blue
adsorption;
these
are
key
indicators
specific
surface
area
adsorbent
quality.
Advanced
characterization
techniques
employed,
such
as
scanning
electron
microscopy
(SEM),
which
revealed
highly
porous
irregular
structure,
energy
dispersive
X-ray
spectroscopy
(EDS),
confirming
effective
removal
impurities
optimization
elemental
composition.
Atomic
force
(AFM)
demonstrated
favorable
roughness
adsorption
processes.
Among
samples,
CaDH162-CADH53
exhibited
highest
performance,
with
an
1094.8
mg/g
yield
93.5%,
signifying
high
capacity.
treatments
phosphoric
acid
calcium
carbonate
significantly
improved
further
enhancing
material’s
properties.
In
conclusion,
produced
in
this
optimal
physicochemical
properties
water
purification
contaminant
treatment
applications.
These
findings
highlight
potential
agricultural
waste,
husk,
sustainable
scalable
alternative
industrial-scale
production.
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.
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 9749 - 9749
Опубликована: Ноя. 8, 2024
Due
to
their
widespread
distribution,
microplastics
(MPs)
are
endangering
the
soil
ecological
environment
system,
causing
water
pollution
and
altering
soil’s
physicochemical
microbiological
features.
Because
of
its
unique
pore
structure
strong
stability,
biochar
is
widely
used
as
an
adsorbent.
However,
effects
MP–biochar
interactions
in
still
unclear.
This
review
outlines
application
mechanism
adsorbent
a
for
removal
MPs.
Also,
serves
remediation
material
MPs
soils
it
mitigates
adverse
on
properties,
enzyme
activities
microbial
community.
It
was
found
that
woody
had
highest
yield
more
effective
adsorbing
Further
research
should
focus
combined
MPs,
environmental
risks
biochar,
modification
MP-removal
technologies,
characterization
MP
contamination
other
pollutants,
transportation
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 13, 2025
Global
agricultural
challenges,
especially
soil
degradation
caused
by
abiotic
stresses,
significantly
reduce
crop
productivity
and
require
innovative
solutions.
Biochar
(BC),
a
biodegradable
product
derived
from
forestry
residues,
has
been
proven
to
enhance
quality.
Although
its
benefits
for
improving
properties
are
well-documented,
the
potential
of
BC
mitigate
various
stresses-such
as
drought,
salinity,
heavy
metal
toxicity-and
effect
on
plant
traits
need
further
exploration.
This
review
aims
elucidate
production
highlighting
primary
feedstock's
synthesis
techniques,
examining
role
in
boosting
decomposition
efficiency
fertility,
which
pivotal
sustainable
growth.
also
discuss
how
can
nutritional
chemical
under
different
stress
conditions,
emphasizing
capacity
foster
growth
development
adverse
environments.
Furthermore,
this
article
serves
comprehensive
resource
researchers
understanding
importance
promoting
agriculture,
addressing
environmental
challenges.
Ultimately,
highlights
critical
knowledge
gaps
proposes
future
research
avenues
bio-protective
against
paving
way
commercialization
applications
large
scale
with
cutting-edge
technologies.
Water,
Год журнала:
2025,
Номер
17(2), С. 207 - 207
Опубликована: Янв. 14, 2025
This
study
aimed
to
produce
activated
carbon
from
desilicated
rice
husks
using
various
carbonization
and
activation
methods,
including
a
tube
furnace,
muffle
artisanal
pyrolysis.
The
resulting
carbons
were
characterized
for
their
adsorptive
capacity
through
the
determination
of
iodine
number
methylene
blue
adsorption;
these
are
key
indicators
specific
surface
area
adsorbent
quality.
Advanced
characterization
techniques
employed,
such
as
scanning
electron
microscopy
(SEM),
which
revealed
highly
porous
irregular
structure,
energy
dispersive
X-ray
spectroscopy
(EDS),
confirming
effective
removal
impurities
optimization
elemental
composition.
Atomic
force
(AFM)
demonstrated
favorable
roughness
adsorption
processes.
Among
samples,
CaDH162-CADH53
exhibited
highest
performance,
with
an
1094.8
mg/g
yield
93.5%,
signifying
high
capacity.
treatments
phosphoric
acid
calcium
carbonate
significantly
improved
further
enhancing
material’s
properties.
In
conclusion,
produced
in
this
optimal
physicochemical
properties
water
purification
contaminant
treatment
applications.
These
findings
highlight
potential
agricultural
waste,
husk,
sustainable
scalable
alternative
industrial-scale
production.
