Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 22, 2024
Abstract
Pesticide
contamination
and
soil
degradation
present
significant
challenges
in
agricultural
ecosystems,
driving
extensive
exploration
of
biochar
(BC)
nano-biochar
(NBC)
as
potential
solutions.
This
study
examines
their
effects
on
properties,
microbial
communities,
the
fate
two
key
pesticides:
hydrophilic
methomyl
(MET)
hydrophobic
lambda-cyhalothrin
(LCT),
at
different
concentrations
(1%,
3%,
5%
w
−1
)
soil.
Through
a
carefully
designed
seven-week
black
bean
pot
experiment,
results
indicated
that
addition
BC/NBC
significantly
influenced
dynamics.
Soil
pH
moisture
content
(MC)
notably
increased,
accompanied
by
general
rise
organic
carbon
(SOC)
content.
However,
BC5/NBC5
treatments,
SOC
declined
after
2nd
or
3rd
week.
Microbial
populations,
including
total
plate
count
(TPC),
phosphate-solubilizing
bacteria
(PSB),
nitrogen-fixing
(NFB),
showed
dynamic
responses
to
applications.
BC1/NBC1
BC3/NBC3
applications
led
increase
whereas
treatments
experienced
decline
initial
surge.
Furthermore,
removal
efficiency
both
MET
LCT
increased
with
higher
concentrations,
NBC
demonstrating
greater
efficacy
than
BC.
Degradation
kinetics,
modeled
first-order
equation,
revealed
degraded
faster
LCT.
These
findings
underscore
profound
impact
pesticide
dynamics
highlighting
transform
sustainable
practices.
Engineering Reports,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Jan. 1, 2025
ABSTRACT
Water
pollution
is
a
critical
issue
requiring
urgent
action
to
minimize
contamination
and
ensure
sustainable
future
for
humanity.
Dyes
are
widely
utilized
in
many
industries,
generating
worries
about
water
contamination.
This
study
aimed
develop
an
inexpensive
process
safranin
dye
removal
from
polluted
using
biomass
waste.
Almond
shells
were
carbonized
at
temperature
of
500°C
then
chemically
activated
phosphoric
acid
produce
carbon.
The
carbon
samples
analyzed
(XRD),
(SEM),
(EDX),
N
2
‐adsorption–desorption
isotherms,
(FTIR)
analysis.
Activated
was
selected
evaluated
its
ability
adsorb
simulated
wastewater.
A
definitive
screening
design
DSC
quickly
examine
the
impact
six
adsorption
factors
(initial
concentration,
pH,
ionic
strength,
adsorbent
dose,
contact
time,
ultrasonic
power)
on
capacity
dye.
mathematical
model
developed
determine
effect
each
factor
contribution
interactions
between
experimental
results
showed
that
initial
power
effects
most
important.
In
contrast,
time
strength
do
not
have
clear
significant
impact.
outcomes
promising,
wherein
maximum
safranin‐O
57.4
mg/g
(25°C),
300
mg/L
concentration,100
mg
pH
range
7–10,
228‐W
power.
equilibrium
data
show
Langmuir
suitable
behavior.
Kinetic
processes
followed
pseudo‐second‐order.
reported
revealed
DSD
can
be
essential
non‐essential
batch
by
reducing
cost,
number
experiments.
Carbon Research,
Journal Year:
2025,
Volume and Issue:
4(1)
Published: Feb. 3, 2025
Abstract
The
stability
and
dissolved
organic
matter
(DOM)
characteristics
of
biochar
have
an
essential
effect
on
carbon
emission
migration
transformation
pollutants.
In
this
work,
straw
coal
mine
waste
(coal
gangue)-straw
co-pyrolysis
were
produced
at
300,
450,
600
°C.
effects
gangue
biochar's
stability,
structure,
the
components
biochar-derived
DOM
investigated.
results
showed
that
enhanced
thermal
chemical
by
1.16%–8.25%
39.17%–68.36%,
respectively.
They
also
promoted
aromatization
process
when
pyrolysis
temperature
increased
from
300
to
450
content
was
lower
than
35.79%–55.52%,
indicating
inhibited
release
DOM.
Moreover,
humification
degree
low
temperatures
but
accelerated
decomposition
aromatic
molecules
in
high
temperatures.
proportion
low-aromatic
humic-like
substance
1.28%
50.87%
1.44%
88.14%
with
increasing
temperature.
Thus,
a
synergistic
controlling
biochar.
three
primary
minerals
(SiO
2
,
Al
O
3
Fe
)
is
core
mechanisms
impacting
characteristics.
This
work
provides
information
for
applications
showing
adding
can
boost
modify
molecular
properties
Graphical
Soil & Environmental Health,
Journal Year:
2024,
Volume and Issue:
2(3), P. 100095 - 100095
Published: June 9, 2024
The
rhizosphere
hosts
diverse
microbes
crucial
for
plant
growth.
This
is
because
roots
secrete
organic
compounds,
thereby
enriching
the
with
essential
nutrients.
Biochar
improves
soil
quality,
while
nano-biochar
shows
promise
in
contaminant
adsorption.
Its
production
from
biochar
easily
achievable
through
top-down
methodologies
including
hydrothermal
synthesis,
ball-milling,
sonication,
and
centrifugation.
advantages
of
employing
are
evident
several
aspects.
Nano-biochar
exhibits
enhanced
properties
such
as
greater
surface
area,
increased
porosity,
reactivity
compared
to
bulk-biochar.
area
allows
adsorption
capacity,
enabling
effectively
immobilize
contaminants
environment.
In
this
review,
detailed
interactions
applications
summarized.
interacts
by
electrostatic
interaction,
cation-π
redox
reactions,
influencing
microbial
communities
resilience.
can
adsorb
rhizosphere,
heavy
metals
pollutants.
Thus,
it
helps
alleviate
abiotic
stresses,
nutrient
availability,
supports
Furthermore,
mechanistic
processes
oxidation,
mineral
dissolution,
matter
release,
mechanical
fragmentation
discussed,
culminating
ageing
formation,
which
creates
a
conducive
environment
microorganisms.
review
examines
nano-biochar-rhizosphere
interactions,
highlighting
their
effects
on
plant-soil
dynamics
Future
research
should
address
synthesis
scalability
safety
concerns
unlock
nano-biochar's
potential
sustainable
agriculture
environmental
management.
