Reviews on Environmental Health,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
The
accumulation
of
pine
needle
waste
on
the
floor
a
large
forest
is
severe
problem.
Dry
acts
as
fuel
for
fires
which
release
harmful
compounds
into
atmosphere.
particulate
matter
in
smoke,
released
during
fires,
adversely
affects
human
health.
top
layer
fertile
ground
harmed
by
unburned
bioresidue.
Moreover,
needles
provide
pests’
growth,
creating
threat
to
nearby
vegetation
and
structures.
Managing
through
conversion
sustainable
materials
energy
will
help
reduce
environmental
pollution
health
risks.
biosorbents
from
can
be
used
remove
heavy
metals
dyes
wastewater.
remote
areas
may
supplied
with
electricity
obtained
gasification
needles.
extracts
offer
variety
benefits
such
anti-inflammatory,
antioxidant,
antimicrobial.
Currently,
laws
subsidies
promote
use
biomass
create
biofuels.
present
paper
reviews
literature,
provides
status
prospects,
analyses
literature
data
synthesis
bio
briquettes,
using
analysis
variance
tool
Microsoft
Excel
®
.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(14), P. 5575 - 5575
Published: July 21, 2023
Adsorption
has
become
the
most
popular
and
effective
separation
technique
that
is
used
across
water
wastewater
treatment
industries.
However,
present
research
direction
focused
on
development
of
various
solid
waste-based
adsorbents
as
an
alternative
to
costly
commercial
activated
carbon
adsorbents,
which
make
adsorptive
process
more
effective,
popularising
sustainable
options
for
remediation
pollutants.
Therefore,
there
are
a
large
number
reported
results
available
application
raw
or
treated
agricultural
biomass-based
alternatives
aqueous-phase
heavy
metal
ion
removal
in
batch
adsorption
studies.
The
goal
this
review
article
was
provide
comprehensive
compilation
scattered
literature
information
up-to-date
overview
current
state
knowledge,
based
papers
utilised
wide
range
raw,
modified,
waste
ions.
Metal
pollution
its
source,
toxicity
effects,
technologies,
mainly
via
adsorption,
have
been
reviewed
here
detail.
Emphasis
placed
ions
using
by-product-based
under
physicochemical
conditions.
Information
important
influential
parameters,
such
concentration,
adsorbent
dose,
solution
pH,
temperature,
importantly,
characteristics
removal,
critically
analysed
here.
Finally,
from
reviewed,
future
perspectives
conclusions
were
presented,
few
directions
proposed.
Journal of Dispersion Science and Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 12
Published: Jan. 8, 2025
Rape
straw,
an
agricultural
by-product,
was
modified
with
citric
acid
(CA)
to
adsorb
the
cationic
dye
crystal
violet
(CV)
from
aqueous
solution.
The
morphology
and
surface
properties
of
adsorbent
were
observed
by
scanning
electron
microscopy
(SEM)
X-ray
photoelectron
analysis
(XPS).
experimental
conditions
optimized
effects
initial
pH,
dosage,
concentration
contact
time.
results
showed
that
CA-modified
rape
straw
had
a
higher
adsorption
capacity
for
compared
pristine
rapes
straw;
at
pH
3.0
±
0.15
removal
ratio
increased
up
98.30%
5.80%.
This
study
provides
detailed
comparison
time
curve
different
concentrations.
CV
rate
97.43%
0.25%,
99.09%
0.61%
99.11%
2.20%
respectively
within
30
min
high
low
Langmuir
isotherm
proved
be
most
appropriate
analytical
method
predict
results.
maximum
1012.62
6.40
mg
g−1.
kinetic
process
on
new
investigated
using
model
based
pseudo-first
pseudo-second
order.
good
fit
correlation
coefficient
R2
≥
0.99
suggested
order
has
affinity
mechanism.
Water,
Journal Year:
2025,
Volume and Issue:
17(5), P. 627 - 627
Published: Feb. 21, 2025
This
study
reports
the
preparation
of
a
novel
hybrid
composite
and
its
application
in
adsorption.
For
this
preparation,
zirconia
(ZrO2)
was
precipitated
onto
an
integrated
framework
reduced
graphene
oxide
(rGO)
black
cumin
(BC)
seeds.
Characterization
using
Fourier-transform
infrared
spectroscopy,
X-ray
diffraction,
scanning
electron
microscopy,
energy-dispersive
analysis,
transmission
microscopy
confirmed
successful
incorporation
ZrO2
nanoparticles
(5–20
nm)
into
carbon
rGO
seed
powder.
The
microscopic
analysis
further
revealed
that
NPs
were
dispersed
throughout
rGO-BC
framework.
Using
rGO-BC@ZrO2
composite,
methylene
blue
dye
decontaminated
from
water
through
batch
adsorption
process.
achieved
96%
MB
at
adsorbent
dose
2.0
g/L,
nearly
100%
when
concentration
3.0
g/L.
Modeling
experimental
values
also
established
to
verify
viability
mechanism.
Thermodynamic
modeling
feasibility
spontaneity
present
Isotherm
modeling,
which
showed
compatibility
with
Freundlich
isotherm,
suggested
multilayer
demonstrated
good
persistence
reusability
for
up
five
consecutive
cycles.
Thus,
presents
optimistic
results
regarding
purification.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(2), P. 418 - 418
Published: Jan. 15, 2024
In
the
present
investigation
of
copper
ferrite,
a
CuFe2O4
nanocomposite
adsorbent
was
synthesized
using
sol–gel
method,
and
its
relevance
in
adsorptive
elimination
toxic
Congo
red
(CR)
aqueous
phase
examined.
A
variety
structural
methods
were
used
to
analyze
nanocomposite;
as-synthesized
had
agglomerated
clusters
with
porous,
irregular,
rough
surface
that
could
be
seen
FE-SEM,
it
also
contained
carbon
(23.47%),
oxygen
(44.31%),
(10.21%),
iron
(22.01%)
elemental
composition
by
weight.
Experiments
designed
achieve
most
optimized
system
through
utilization
central
composite
design
(CCD).
The
highest
uptake
CR
dye
at
equilibrium
occurred
when
initial
pH
value
5.5,
adsorbate
concentration
125
mg/L,
dosage
3.5
g/L.
Kinetic
studies
conducted,
they
showed
adsorption
process
followed
pseudo-second-order
(PSO)
model
(regression
coefficient,
R2
=
0.9998),
suggesting
chemisorption
mechanism,
overall
reaction
rate
governed
both
film
pore
diffusion
molecules.
which
molecules
taken
up
onto
particle
revealed
interactions
involving
electrostatic
forces,
hydrogen
bonding,
filling.
According
isotherm
studies,
data
exhibited
strong
agreement
Langmuir
(R2
0.9989),
demonstrating
maximum
monolayer
capacity
(qmax)
64.72
mg/g
6
302
K.
Considering
obtained
negative
ΔG
positive
ΔHads
ΔSads
values
across
all
tested
temperatures
thermodynamic
investigations,
confirmed
characterized
as
endothermic,
spontaneous,
feasible,
an
increased
level
randomness.
developed
this
study
is
anticipated
find
extensive
application
effluent
treatment,
owing
excellent
reusability
remarkable
capability
effectively
remove
comparison
other
adsorbents.
