Indonesian Journal of Material Research,
Journal Year:
2024,
Volume and Issue:
2(1), P. 27 - 31
Published: March 26, 2024
In
this
study,
the
synthesis
of
composite
materials
produced
from
Ni/Al
with
three
types
carbon-based
namely
chitosan
(Ch),
cellulose
(Ce),
and
graphene
oxide
(GO)
was
successfully
carried
out
supported
by
X-ray
diffraction
(XRD),
Fourier
Transform
Infrared
Spectroscopy
(FT-IR),
Brunauer-Emmett-Teller
(BET)
analysis.
The
combined
characteristics
two
starting
are
present
in
material
based
on
XRD
FT-IR
data.
surface
area
Ni/Al-LDH
increased
after
compositing
Ch,
Ce,
GO,
3.3
m2/g
to
9.5
Ni/Al-Ch,
5.1
Ni/Al-Ce,
78.4
Ni/Al-GO.
These
findings
indicate
that
suitable
for
various
applications
such
as
photocatalytic
adsorption
effective
further
research.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
7(4)
Published: April 10, 2025
Abstract
This
study
proposes
a
novel
process
for
treating
oily
wastewater
by
integrating
pretreatment,
combined
air
flotation,
and
fine
multi-stage
filtration.
The
innovates
optimizes
common
technologies.
aim
is
to
efficiently
remove
oil
suspended
matter
from
discharged
accidental
catchment
basins
at
transformer
substations.
ensures
that
the
quality
of
meets
standards.
Additionally,
parameter
settings
throughout
were
optimized
determine
most
effective
configurations,
ensuring
energy-efficient
cost-effective
operation
while
effectively
wastewater.
research
serves
as
foundation
developing
more
efficient
environmentally
friendly
treatment
processes
It
offers
practical,
sustainable
solutions
industries
facing
challenges
in
treatment.
advances
technology
Graphical
abstract
Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1339 - 1339
Published: April 29, 2025
This
study
explores
the
development
and
optimization
of
quartz-based
filtration
media
for
industrial
oil–water
separation,
focusing
on
enhancing
surface
wettability,
minimizing
fouling,
improving
oil
rejection
efficiency.
High-purity
quartz
particles
(SiO2:
98%,
Fe2O3:
0.18%,
particle
size:
0.8–1.8
mm)
were
evaluated
in
three
configurations:
raw,
acid-washed,
surface-coated
with
hydrophilic
nanoparticles
(Al2O3
P2O5).
The
medium
was
constructed
as
a
packed-bed
rather
than
continuous
sintered
membrane,
providing
cost-effective
modular
structure
separation
processes.
Comprehensive
material
characterization
performed
using
X-ray
diffraction
(XRD),
Scanning
Electron
Microscopy
(SEM),
Energy
Dispersive
Spectroscopy
(EDS).
XRD
confirmed
crystalline
stability
across
all
treatments,
while
SEM
EDS
revealed
enhanced
morphology
elemental
distribution—especially
phosphorus
aluminum—in
coated
samples.
Performance
testing
synthetic
oily
wastewater
(initial
concentration:
183,754.8
mg/L)
demonstrated
that
achieved
superior
reducing
residual
concentration
to
29.3
mg/L,
compared
1583.7
mg/L
1859.8
washed
raw
quartz,
respectively.
Contact
angle
analysis
improved
hydrophilicity
media,
which
also
exhibited
lower
fouling
propensity.
Taguchi
(conducted
via
Minitab
21.3)
regression
modeling
identified
coating
operational
pressure
(optimal
at
2.5
bar)
most
significant
parameters
influencing
rejection.
Post-filtration
structural
integrity
durability.
Additionally,
flux
recovery
above
90%
after
backwashing
indicated
strong
regeneration
capability.
These
findings
validate
surface-modified
packed
beds
robust,
scalable,
economically
viable
alternatives
conventional
membranes
treatment.
Future
research
will
explore
multilayer
coatings,
long
term
performance
under
aggressive
conditions,
AI-based
prediction
models.
