Chimica Techno Acta,
Journal Year:
2024,
Volume and Issue:
11(3)
Published: July 22, 2024
This
study
investigates
the
sorption
of
2-methyl
orange
dye
onto
octadecylamine-modified
iron
oxide
magnetic
nanoparticles
(ODA-IONPs).
The
synthesized
ODA-IONPs
exhibit
remarkable
capacity,
reaching
800
mg/g
at
nanoparticle
concentrations
ranging
from
5
to
10
and
pH
2–8.
process
demonstrates
rapid
kinetics,
achieving
90%
maximum
within
0.5
min.
Thermodynamic
analysis
showed
that
is
spontaneous
endothermic,
as
indicated
by
negative
ΔG
positive
ΔH
values.
pseudo-second-order
Langmuir
models
best
describe
kinetics
293
K
(R²
0.99).
Compared
other
adsorbents,
show
superior
MO
removal
capacity
under
a
wider
range.
influence
concentration,
pH,
temperature
on
efficiency
systematically
explored,
with
optimal
conditions
identified
mg/L
6.
Furthermore,
feasibility
reusability
for
purposes
assessed.
These
findings
underscore
potential
efficient
sorbents
wastewater
treatment
environmental
remediation
applications.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(17), P. 3623 - 3623
Published: Sept. 1, 2023
Neat
poly(vinylidene
fluoride)
(PVDF)
ultrafiltration
(UF)
membranes
exhibit
poor
water
permeance
and
surface
hydrophobicity,
resulting
in
antifouling
properties.
Herein,
we
report
the
synthesis
of
a
fluorine-containing
amphiphilic
graft
copolymer,
poly(2,2,2-trifluoroethyl
methacrylate)-g-poly(ethylene
glycol)
behenyl
ether
methacrylate
(PTFEMA-g-PEGBEM),
hereafter
referred
to
as
PTF,
its
effect
on
structure,
morphology,
properties
PVDF
membranes.
The
PTF
copolymer
formed
self-assembled
nanostructure
with
size
7–8
nm,
benefiting
from
nature
microphase
separation
ability.
During
nonsolvent-induced
phase
(NIPS)
process,
hydrophilic
PEGBEM
chains
were
preferentially
oriented
towards
membrane
surface,
whereas
superhydrophobic
PTFEMA
confined
hydrophobic
matrix.
not
only
increased
pore
porosity
but
also
significantly
improved
hydrophilicity,
flux
recovery
ratio
(FRR),
membrane.
performance
was
optimal
at
5
wt.%
loading,
45
L
m−2
h−1
bar−1,
BSA
rejection
98.6%,
an
FRR
83.0%,
which
much
greater
than
those
neat
Notably,
tensile
strength
reached
6.34
MPa,
indicated
better
mechanical
reported
literature.
These
results
highlight
effectiveness
modification
via
rational
design
polymer
additives
precise
adjustment
components
for
preparing
high
excellent
Materials,
Journal Year:
2024,
Volume and Issue:
17(9), P. 2028 - 2028
Published: April 26, 2024
Biological
wastewater
treatment
using
trickle
bed
reactors
is
a
commonly
known
and
used
solution.
One
of
the
key
elements
proper
operation
bioreactor
appropriate
selection
biofilm
support
elements.
The
respective
properties
packing
media
can
influence,
among
other
things,
efficiency
process.
In
this
study,
possibility
polyester
waste
material
usage
for
preparation
was
tested.
following
were
checked:
adsorption
capacity,
swelling,
surface
morphology,
microbicidal
properties,
as
well
their
use
in
biological
treatment.
tested
did
not
adsorb
copper
nor
showed
bacterial
strains
Escherichia
coli
Staphylococcus
aureus
fungal
Aspergillus
niger
Chaetomium
globosum.
hydrophilic
rough
nature
element
found
to
provide
friendly
formation.
durability
before
after
application
process
confirmed
by
performing
tests
such
compressive
strength,
FTIR
analysis,
hardness
analysis
specific
area
measurement.
research
applicability
based
on
textile
wastewater.
model
stream
above
90%,
while
case
containing
60%
actual
industrial
it
80%.
proposed
solution
enables
simultaneous
management
treatment,
which
consistent
with
principles
circular
economy.
selected
raw
cheap
easily
available
material,
developed
will
reduce
amount
materials
ending
up
landfills.
Chimica Techno Acta,
Journal Year:
2024,
Volume and Issue:
11(3)
Published: July 22, 2024
This
study
investigates
the
sorption
of
2-methyl
orange
dye
onto
octadecylamine-modified
iron
oxide
magnetic
nanoparticles
(ODA-IONPs).
The
synthesized
ODA-IONPs
exhibit
remarkable
capacity,
reaching
800
mg/g
at
nanoparticle
concentrations
ranging
from
5
to
10
and
pH
2–8.
process
demonstrates
rapid
kinetics,
achieving
90%
maximum
within
0.5
min.
Thermodynamic
analysis
showed
that
is
spontaneous
endothermic,
as
indicated
by
negative
ΔG
positive
ΔH
values.
pseudo-second-order
Langmuir
models
best
describe
kinetics
293
K
(R²
0.99).
Compared
other
adsorbents,
show
superior
MO
removal
capacity
under
a
wider
range.
influence
concentration,
pH,
temperature
on
efficiency
systematically
explored,
with
optimal
conditions
identified
mg/L
6.
Furthermore,
feasibility
reusability
for
purposes
assessed.
These
findings
underscore
potential
efficient
sorbents
wastewater
treatment
environmental
remediation
applications.
