Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 13, 2024
Abstract
In
this
study,
biochar
(BC)
and
hydrochar
(HC)
composites
were
synthesized
with
natural
kaolinite
clay
their
properties,
stability,
carbon
(C)
sequestration
potential,
polycyclic
aromatic
hydrocarbons
(PAHs)
toxicity,
impacts
on
maize
germination
growth
explored.
Conocarpus
waste
was
pretreated
0%,
10%,
20%
pyrolyzed
to
produce
BCs
(BC,
BCK10,
BCK20,
respectively),
while
hydrothermalized
HCs
(HC,
HCK10,
HCK20,
respectively).
The
materials
characterized
using
X-ray
diffraction,
scanning
electron
microscope
analyses,
Fourier
transform
infrared,
thermogravimetric
analysis,
surface
area,
proximate
chemical
analysis
investigate
the
distinction
in
physiochemical
structural
characteristics.
showed
higher
C
contents
(85.73–92.50%)
as
compared
(58.81–61.11%).
demonstrated
a
thermal
aromaticity,
potential
than
HCs.
Kaolinite
enriched-BCs
highest
cation
exchange
capacity
pristine
BC
(34.97%
BCK10
38.04%
BCK20
BC),
area
composited
(202.8%
HCK10
190.2%
HCK20
HC).
recalcitrance
index
(R
50
)
speculated
for
BC,
>
0.7),
minimal
degradability
(0.5
<
R
biomass
HC
0.5).
Overall,
increasing
enrichment
percentage
significantly
enhanced
stability
of
charred
materials,
which
may
be
attributed
changes
arrangements.
∑
total
PAHs
concentration
below
USEPA’s
suggested
limits,
indicating
safe
use
soil
amendments.
Germination
indices
reflected
positive
growth.
Therefore,
we
propose
that
kaolinite-composited
could
considered
efficient
cost-effective
amendments
improving
plant
The Science of The Total Environment,
Journal Year:
2021,
Volume and Issue:
814, P. 152691 - 152691
Published: Dec. 30, 2021
During
the
COVID-19
pandemic,
high
consumption
of
antivirals,
antibiotics,
antiparasitics,
antiprotozoals,
and
glucocorticoids
used
in
treatment
this
virus
has
been
reported.
Conventional
systems
fail
to
efficiently
remove
these
contaminants
from
water,
becoming
an
emerging
concern
environmental
field.
Therefore,
objective
present
work
is
address
current
state
literature
on
presence
removal
processes
drugs
water
bodies.
It
was
found
that
concentration
most
increased
during
pandemic
Before
Azithromycin
concentrations
surface
waters
were
reported
be
order
4.3
ng
L
Soil Use and Management,
Journal Year:
2021,
Volume and Issue:
38(1), P. 14 - 38
Published: May 31, 2021
Abstract
Engineered
biochars
are
promising
candidates
in
a
wide
range
of
environmental
applications,
including
soil
fertility
improvement,
contaminant
immobilization,
wastewater
treatment
and
situ
carbon
sequestration.
This
review
provides
systematic
classification
these
novel
biochar
composites
identifies
the
future
trends
composite
research
application.
It
is
proposed
that
metals,
minerals,
layered
double
hydroxides,
carbonaceous
nanomaterials
microorganisms
enhance
performances
via
distinct
mechanisms.
In
this
review,
four
identified
assessed
critically.
Firstly,
facile
synthesis
methods,
particular
ball
milling
co‐pyrolysis,
have
emerged
as
popular
fabrication
strategies
suitable
for
large‐scale
applications.
Secondly,
modification
with
green
materials,
such
natural
clay
minerals
microorganisms,
align
well
on‐going
sustainable
remediation
(GSR)
movement.
Furthermore,
new
applications
health
improvement
climate
change
mitigation
support
realization
United
Nation's
Sustainable
Development
Goals
(SDGs).
Finally,
importance
field
studies
getting
more
attention,
since
evidence
success
critically
needed
before
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
345, P. 123502 - 123502
Published: Feb. 3, 2024
Microplastics
(MPs)
pose
a
global
concern
due
to
their
ubiquitous
distribution.
Once
in
the
environment,
they
are
subject
aging,
which
changes
chemical-physical
properties
and
ability
interact
with
organic
pollutants,
such
as
pesticides.
Therefore,
this
study
investigated
interaction
of
hydrophobic
herbicide
terbuthylazine
(TBA),
is
widely
used
agriculture,
artificially
aged
polyethylene
(PE)
MP
(PE-MP)
understand
how
aging
affects
its
sorption.
PE
was
by
an
accelerated
weathering
process
including
UV
irradiation,
hydrogen
peroxide,
ultrasonic
treatment,
particles
were
characterized
comparison
pristine
particles.
Sorption
kinetics
performed
for
materials,
while
further
sorption
studies
PE-MP
included
determining
environmental
factors
pH,
temperature,
TBA
concentration.
found
be
significantly
lower
on
compared
because
led
formation
oxygen-containing
functional
groups,
resulting
reduction
hydrophobicity
negatively
charged
sites
oxidized
surfaces.
For
PE-MP,
best
described
pseudo-second-order
model,
it
intra-particle
diffusion
result
crack
pore
formation.
followed
decreasing
trend
increasing
became
less
favorable
at
higher
temperatures.
The
isotherm
data
revealed
complex
altered,
heterogeneous
surfaces
involving
interactions,
bonding,
π-π
Sips
adsorption
model.
Desorption
low,
confirming
strong
interaction.
However,
thermodynamic
results
imply
that
increased
temperatures,
those
from
climate
change,
could
promote
re-release
into
environment.
Time-of-flight
secondary
ion
mass
spectrometry
(ToF-SIMS)
confirmed
onto
PE.
