With
the
rapid
development
of
industry,
problem
water
pollution
has
become
increasingly
serious.
Though
there
are
many
separation
materials
available
to
solve
this
problem,
how
separate
multiple
wastewater
at
same
time
remains
a
challenge.
Hydrogel
coating
is
suitable
for
use
in
field
oil-water
separation,
and
chitosan
(CS)
effective
removing
anionic
dyes.
Therefore,
preparation
membranes
with
hydrogel
containing
CS
can
effectively
emulsion
dye
wastewater.
In
paper,
DA@CNTs/CS
was
prepared
by
sequentially
Cu2+,
DA@CNTs,
Cu2+
on
surface
polyvinylidene
fluoride
(PVDF)
membrane
deposition
self-assembly,
which
enhanced
hydrophilicity
made
it
highly
underwater
oleophobic
antifouling.
The
alkali
treated
PVDF
contained
large
amount
-OH,
formed
coordination
bonds
CS,
DA
could
be
stably
loaded
membrane.
addition,
introduction
rigid
CNTs
improved
performance
modified
under
extreme
conditions
such
as
high
PH
salt
concentration.
PVDF-DA@CNTs/CS
had
an
ideal
pure
flux
(PWF)
1470
(L·m-2·h-1)
efficiency
99.7%
99.4%
emulsion.
contaminant
quickly
removed
washing
DI
water.
overall
also
maintained
very
level
long-term
filtration
summary,
study
provides
new
approach
complex
treatment
technology.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(5), P. 982 - 982
Published: Feb. 20, 2025
Compared
to
conventional
adsorbents,
zinc-based
metal-organic
frameworks
(MOFs)
such
as
zeolite
imidazolium
skeleton-8
(ZIF-8)
exhibit
enhanced
thermal,
chemical,
and
structural
stability.
Nonetheless,
their
powdered
form
results
in
limited
dispersibility
aqueous
solutions
a
tendency
aggregate,
which
significantly
restricts
utility
adsorption
applications.
This
study
reports
green
composite
aerogel
through
the
situ
mineralization
of
ZIF-8
onto
bacterial
cellulose
(BC)
for
effective
removal
toxic
metal
ions
(Cu2+)
Congo
red
(CR)
from
wastewater.
The
ZIF@BC
was
characterized
using
scanning
electron
microscopy,
Fourier
transform
infrared
spectroscopy,
thermogravimetric
analysis,
X-ray
diffraction,
photoelectron
specific
surface
area
analysis.
findings
indicated
that
produced
were
evenly
distributed
across
BC
nanonetwork,
facilitating
CR
Cu2+.
maximum
capacities
aerogels
determined
be
397.55
mg/g
424.80
Cu2+,
per
Langmuir
isotherm.
Furthermore,
ZIF-8@BC
demonstrated
excellent
selectivity
reusability,
particularly
adsorption.
proposed
mechanism
interaction
between
Cu2+
involves
electrostatic
interactions,
hydrogen
bonding,
π-π
coordination
ion
exchange,
microchemical
precipitation,
pore
diffusion.
research
offers
significant
promise
utilization
MOF
powders
highlights
substantial
industrial
potential.
Molecular Systems Design & Engineering,
Journal Year:
2024,
Volume and Issue:
9(4), P. 399 - 408
Published: Jan. 1, 2024
A
synthetic
strategy
is
presented
for
the
preparation
of
degradable
chitosan
based
functional
porous
polymer
monoliths
with
tunable
surface
area,
which
are
capable
to
efficiently
remove
multiple
pollutants
from
water.
Environmental Engineering Research,
Journal Year:
2024,
Volume and Issue:
29(6), P. 240028 - 0
Published: April 3, 2024
The
modification
of
biochar
(BC)
with
metal/metal
oxides
is
expected
to
improve
its
adsorption
capacity
pollutants,
especially
anions
dyes.
A
green
chromium
ferrite-biochar
composites
(CF-BC)
was
synthesized
enhance
the
efficiency
Congo
red
(CR)
via
a
simple
co-precipitation
method.
samples
were
characterized
by
different
characterization
techniques:
XRD,
FT-IR,
SEM,
XPS,
etc,
which
showed
that
ferrite
successfully
loaded
on
surface
biochar.
influencing
factors
and
recycling
properties
discussed,
mechanisms
such
as
kinetics,
isotherm,
thermodynamics
explored.
results
show
CF-BC2
achieves
removal
rate
92.29%
for
CR
maintains
90%
even
after
three
cycles.
addition
not
only
promoted
effect,
but
also
increased
magnetic
property,
making
adsorbents
easy
recycle.
equilibrium
kinetic
studies
suggested
process
followed
Freundlich
isotherm
pseudo-second
order
model,
respectively.
Furthermore,
study
into
mechanism
revealed
primarily
through
electrostatic
attraction,
hydrogen
bonding,
π-π
interactions,
pore
filling.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(6), P. 1315 - 1315
Published: March 15, 2024
Owing
to
their
special
structure
and
excellent
physical
chemical
properties,
conducting
polymers
have
attracted
increasing
attention
in
materials
science.
In
recent
years,
tremendous
efforts
been
devoted
improving
the
comprehensive
performance
of
by
using
technique
“doping.”
Spherical
polyelectrolyte
brushes
(SPBs)
bearing
chains
grafted
densely
surface
core
particles
potential
be
novel
dopant
not
only
because
spherical
structure,
high
grafting
density
charge
density,
but
also
due
possibility
being
applied
printed
electronics.
This
review
first
presents
a
summary
general
dopants
polymers.
Meanwhile,
doped
with
is
highlighted,
including
preparation,
characterization,
doping
mechanism.
It
demonstrated
that
has
improved
addition
SPBs,
which
act
as
template
synthesis
composites.
Furthermore,
applications
future
developments
conductive
composites
are
briefly
reviewed
proposed,
would
draw
more
this
field.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(47), P. 65620 - 65627
Published: Nov. 14, 2024
The
wastewater
of
printing
and
dyeing
is
difficult
to
treat
due
the
degradation
resistance
dye
use
massive
chemicals,
causing
a
threat
ecosystem.
Pigment
fabrics
possesses
great
advantages
like
high
efficiency
flexible
production,
but
there
are
some
challenges
risk
color
depth
hand
feeling
large
size
pigment
poor
adsorption
light.
In
order
improve
coloration
ability
pigment,
herein,
novel
kind
cationic
dye/porous
silica
nanospheres
were
prepared
through
methylene
blue
rhodamine
B
onto
electronegative
porous
applied
in
on
woven
cotton
fabric.
It
was
found
that
exhibited
an
average
diameter,
good
depth,
feeling,
image
quality
for
preparation.
comparison
with
dye-printed
fabrics,
dye/WHMS
show
higher
resulting
from
lower
visible
light
reflectance.
Notably,
strong
interaction
between
dyes
hydrophilic
(WHMS)
facilitates
improvement
absorption
stability.
Meanwhile,
printed
demonstrate
splendid
fastness.
dry/wet
rubbing
fastnesses
4
3–4,
respectively.
Furthermore,
dye/WHMS-printed
possess
satisfactory
breathability.
consumptions
reduced,
process
simplified.
We
think
this
work
may
provide
insight
into
textiles
enhanced
effects
alleviate
environmental
impact
conventional
textile
coloration.
With
the
rapid
development
of
industry,
problem
water
pollution
has
become
increasingly
serious.
Though
there
are
many
separation
materials
available
to
solve
this
problem,
how
separate
multiple
wastewater
at
same
time
remains
a
challenge.
Hydrogel
coating
is
suitable
for
use
in
field
oil-water
separation,
and
chitosan
(CS)
effective
removing
anionic
dyes.
Therefore,
preparation
membranes
with
hydrogel
containing
CS
can
effectively
emulsion
dye
wastewater.
In
paper,
DA@CNTs/CS
was
prepared
by
sequentially
Cu2+,
DA@CNTs,
Cu2+
on
surface
polyvinylidene
fluoride
(PVDF)
membrane
deposition
self-assembly,
which
enhanced
hydrophilicity
made
it
highly
underwater
oleophobic
antifouling.
The
alkali
treated
PVDF
contained
large
amount
-OH,
formed
coordination
bonds
CS,
DA
could
be
stably
loaded
membrane.
addition,
introduction
rigid
CNTs
improved
performance
modified
under
extreme
conditions
such
as
high
PH
salt
concentration.
PVDF-DA@CNTs/CS
had
an
ideal
pure
flux
(PWF)
1470
(L·m-2·h-1)
efficiency
99.7%
99.4%
emulsion.
contaminant
quickly
removed
washing
DI
water.
overall
also
maintained
very
level
long-term
filtration
summary,
study
provides
new
approach
complex
treatment
technology.
