Separation Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 10
Published: Oct. 22, 2024
In
this
study,
carbon
material
obtained
from
sunflower
seed
shells
and
doped
with
Fe
Zn
using
mint
extract
(Fe-Zn-SSSC)
was
prepared,
the
usability
of
adsorbent
in
removal
paracetamol,
diclofenac
sodium,
tetracycline
investigated.
Fe-Zn-SSSC
characterized
by
SEM-EDX
FTIR.
Additionally,
effects
pH
dosage
on
were
The
rates
as
88.7%,
65.4%,
76.0%
at
a
4,
after
1
hour
adsorption
5
g/L
Fe-Zn-SSSC,
respectively.
best
qmax
values
calculated
14.51
mg/g,
6.33
8.99
It
determined
that
more
compatible
Langmuir
isotherm
model
pseudo-second-order
kinetic
model.
As
result,
study
demonstrates
materials
synthesized
can
serve
an
effective
low-cost
for
drug
water.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 28, 2024
Abstract
Plastic
waste
is
being
manufactured
for
the
production
of
hydrogen.
The
amount
plastic
collected
annually
189,953
tonnes
from
adjacent
nations
like
Indonesia
and
Malaysia.
Polyethylene
(PE),
Polypropylene
(PP),
Terephthalate
(PET),
Polyvinyl
chloride
(PVC),
Polystyrene
(PS)
are
five
most
prevalent
forms
found
in
waste.
Pyrolysis,
water
gas
shift
steam
reforming
reaction,
pressure
swing
adsorption
three
main
phases
utilized
studied.
In
this
research,
authors
examines
energy
consumption
on
every
stage.
can
be
to
manufacture
many
hydrocarbons
using
pyrolysis
reaction.
For
process,
fast
used
at
a
temperature
500
°C.
A
neutralization
process
also
needed
due
presence
Hydrochloric
acid
with
addition
sodium
hydroxide.
This
carried
prevent
any
damage
reactor
during
process.
Secondly,
continues
after
reaction
has
produced
carbon
monoxide,
followed
by
dioxide
hydrogen
formation.
Lastly,
designed
extract
H
2
S
CO
greater
purity
From
simulation
study,
it
observed
that
various
types
procured
(total
input
20,000
kg
per
hour
plastics)
from,
Brunei
Darussalam,
Malaysia
Indonesia,
produce
about
340,000
tons
Hydrogen
year.
Additionally,
annual
profit
estimated
between
$
271,158,100
358,480,200.
As
economic
analysis,
said
its
good
start
plant
these
regions.
New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(23), P. 10563 - 10576
Published: Jan. 1, 2024
In
this
study,
zero-valent
nickel
NPs
immobilized
on
biowaste-based
activated
carbon
(ZVNi@AC)
were
prepared
using
a
single-step
pyrolytic
reduction/activation
method.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 6, 2025
This
study
explores
the
enhanced
adsorption
performance
of
activated
carbon
felt
(ACF)
for
Cu(II)
and
Cd(II)
ions,
achieved
using
a
dual-synergistic
approach
combining
MnO
coating
plasma
treatment.
ACF's
intrinsic
properties,
including
high
surface
area
(~
1000–2000
m²/g),
large
porosity,
excellent
mechanical
stability,
make
it
promising
material
environmental
applications.
However,
its
limited
functional
groups
hinder
efficiency
heavy
metals.
Conventional
acid
treatments,
though
effective
in
introducing
groups,
compromise
structural
integrity
pose
hazards.
The
non-thermal
method
addresses
these
challenges
by
oxygen-rich
species
without
harmful
chemicals,
preserving
material's
morphological
properties.
key
technologies,
such
as
inefficiencies
multi-contaminant
systems
adsorbent
degradation
through
plasma-aided
modifications.
synergistic
modification
enhances
leveraging
mechanisms
ion
exchange,
complexation,
co-precipitation.
Adsorption
experiments
revealed
maximum
capacities
163.39
mg/g
214.59
Cd(II),
with
an
extended
equilibrium
time
720
min
at
pH
5.
research
highlights
significance
strategies
developing
sustainable
efficient
metal
adsorbents,
contributing
to
advancements
wastewater
treatment
technologies.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
10(7), P. 6279 - 6293
Published: Feb. 16, 2025
Bisphenol
A
(BPA)
is
a
pollutant
that
has
gained
the
attention
of
scientists
globally
because
its
ubiquity
in
environmental
matrices
as
well
toxicity
environment.
It
listed
priority
South
Africa,
capable
health
risk
impacts,
which,
according
to
European
Union,
should
not
exceed
2.5
μg/L
water.
In
historical
data
on
occurrence
sparingly
available,
although
research
BPA
and
other
endocrine
disruptors
currently
gaining
momentum.
Surface,
ground,
wastewater
constitute
major
proportion
water
sources
are
prone
contamination
by
emerging
pollutants
such
BPA.
order
gain
holistic
perspective
this
chemical,
detailed
review
was
carried
out
using
over
five
hundred
peer-reviewed
articles
investigated
African
aquatic
systems.
This
study
shows
Gauteng
Western
Cape
Provinces
with
highest
reported
number
occurrences
The
also
surface
constitutes
41%
all
while
like
ponds
lagoons
have
no
recorded
studies.
Its
presence
attributed
anthropogenic
activities
generation
domestic,
agricultural,
industrial
waste.
Local
application
removal
techniques
adsorption
photocatalysis
laboratory
field
samples
shown
good
prospects
(especially
photocatalysis)
mitigating
current
challenges
related
However,
there
room
for
more
innovative
initiatives.
Although
ban
use
making
baby
bottles,
additional
regulations
can
be
put
place
regarding
plastics
or
packaging
materials
from
which
leach.
Sustainable Environment Research,
Journal Year:
2025,
Volume and Issue:
35(1)
Published: Feb. 18, 2025
Abstract
To
enhance
the
performance
of
biochar
made
from
almond
shells
for
adsorption
phenol
pollutants
in
water,
we
prepared
an
shell-based
and
modified
it
through
combined
pyrolysis
with
KOH
EDTA-4Na
at
750
°C,
yielding
activated
carbon
(A-BC);
mass
ratio
biochar,
EDTA-4Na,
was
1:1:3.
A-BC
characterized
by
using
Scanning
Electron
Microscopy,
Fourier
Transform
Infrared
Spectroscopy,
Brunauer–Emmett–Teller
method,
X-ray
Diffraction.
The
conditions
were
optimized
single-factor
experiments,
mechanism
explored
kinetics
thermodynamics
assays.
results
show
that
exhibits
a
honeycomb-like
structure
specific
surface
area
1050
m
2
g
−1
micropore
86%.
is
rich
functional
groups
(-OH,
-CH
,
N–C,
C-H,
N–H)
closely
related
to
adsorption.
spontaneous
exothermic
process
involving
both
physical
chemical
(including
hydrogen
bonding
π-π
interactions).
pseudo-second-order
kinetic
model
adequately
describes
process,
which
consists
liquid
film
diffusion,
adsorption,
intraparticle
diffusion
stages.
At
25
dosage
1.0
L
initial
concentration
400
mg
contact
time
60
min,
exhibited
significant
capacities
161
149
simulated
water
phenol-containing
wastewater
coal
industries,
respectively.
demonstrated
good
reuse
strong
capacity
phenol,
indicating
its
potential
application
treating
industries.
