Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5841 - 5841
Published: Dec. 11, 2024
In
this
research,
we
produced
two
types
of
biochar
(BC)
using
cotton
stalks
as
raw
material
and
KOH
an
activator,
compared
their
performance
adsorption
mechanisms
in
the
removal
tetracycline
(TC)
methylene
blue
(MB)
from
wastewater.
The
results
showed
that
generated
both
procedures
formed
pores
connected
to
interior
had
extensive
microporous
mesoporous
structures.
molten
salt
approach
produces
with
a
higher
specific
surface
area,
larger
pore
size,
volume
than
impregnation
method,
maximum
area
3095
m
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
ABSTRACT
Particulate
matter
(PM)
pollution
is
widely
recognized
as
a
major
threat
to
public
health,
making
the
development
of
thermally
stable
filters
for
particulate
removal
in
high‐temperature
environments
critically
important.
However,
common
polymer‐based
nanofiber
air
are
inadequate
stability
when
exposed
high
temperature.
In
this
study,
poly
(m‐phenylene
isophthalamide)
(PMIA)
and
nano
barium
titanate
(BaTiO
3
)
which
showed
remarkable
thermal
endurance
was
utilized
prepare
PMIA/BaTiO
composite
filter.
The
structure
performance
nanofibers
were
regulated
by
changing
addition
BaTiO
.
filter
with
nano‐protrusion
exhibits
PM2.5
filtration
efficiency
(98.7%)
low
pressure
drop
(60.4
Pa).
Even
after
being
treatment
at
250°C,
can
still
maintain
performance.
results
that
materials
hold
promise
eliminating
environments.
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 5, 2025
ABSTRACT
Polyimide
(PI)
nanofiltration
(NF)
membranes
have
garnered
significant
attention
in
water
purification
due
to
superior
separation
efficiency
and
stability.
This
study
presents
the
fabrication
of
PI/graphene
oxide
(GO)
NF
through
a
non‐solvent‐induced
phase
inversion
process,
specifically
for
separations
inorganic
salts
organic
dyes.
The
chemical
structures
PI‐GO
are
characterized
using
Fourier
transform
infrared
spectroscopy
(FT‐IR)
X‐ray
photoelectron
(XPS),
their
properties
examined
zeta
potential
measurements,
contact
angle
tests,
thermogravimetric
analysis.
incorporation
GO
significantly
enhances
hydrophilicity
membranes,
subsequently
optimizing
capabilities.
Filtration
experiments
demonstrate
that
addition
notably
increases
permeance
PI
substantially
rejects
negatively
charged
dyes
such
as
Coomassie
Brilliant
Blue
(CBB),
Congo
Red
(CR),
Direct
Black
38
(DB38).
Moreover,
exhibit
excellent
salt
ions
while
effectively
removing
Notably,
also
display
remarkable
performance
with
hot
(50°C
90°C)
CBB/Na
2
SO
4
feed
solutions,
indicating
robust
thermal
These
findings
suggest
hold
substantial
promise
field
technology,
owing
exceptional
performance.
