e-Polymers,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Jan. 1, 2024
Abstract
Excessive
existence
of
fluoride
in
water
resources
can
lead
to
harmful
impacts
on
ecosystems
and
organisms.
Electrospun
polyacrylonitrile
(PAN)
nanofiber
membranes
loaded
with
La(OH)
3
nanorods
composites
(La(OH)
/PAN
electrospun
[ENFMs])
are
fabricated
used
as
an
efficient
scavenger.
Adsorbent
fabricate
protocols,
pH,
initial
F
−
concentration,
adsorbent
dosage,
adsorption
time,
addition
coexisting
anions,
were
systematically
evaluated.
The
investigation
unveils
that
a
pH
3.0
is
optimal
for
remediation.
kinetics
isotherm
ENFMs
well
described
by
the
pseudo-second-order
model
(
R
2
>
0.997)
characteristics
chemisorption
Langmuir
0.999)
feature
single-layer
coverage.
Cl
,
SO
4
2−
NO
CO
does
not
significantly
hinder
removal
exception
PO
3−
.
Calculations
Δ
H
G
S
reveal
nature
onto
endothermic
favorable
at
higher
temperature.
Surfaces and Interfaces,
Journal Year:
2024,
Volume and Issue:
51, P. 104670 - 104670
Published: June 26, 2024
Polluted
water
containing
synthetic
dyes
from
industries
of
various
sectors
is
a
serious
hazard
to
human
health
as
well
the
rest
flora
and
fauna
in
environment.
It
has
be
treated
by
efficient
yet
cost-effective
methods
such
adsorption
pollutant
dyes.
This
review
summarizes
successful
one
hazardous
dye,
methylene
blue,
using
polymeric
hydrogel
nanocomposites
adsorbents.
These
have
been
proven
more
active
adsorbing
than
mere
parent
polymers
or
pure
nanoparticles,
seen
most
cases.
effect
may
contribution
high
capacities
result
proposed
mechanisms,
synergistic
enhancement
desired
characters
its
components,
significance
optimum
sorption
conditions
influencing
dye
onto
nanocomposite
adsorbent.
The
porous
nature
polymer
activity
nanofillers
are
potential
cause
for
this
research.
Not
only
novel
adsorbents
remediation
pollution
but
also
green
approach
due
spontaneity
process
without
consumption
external
energy
addition
being
recyclable
non-toxic.
Green Energy & Environment,
Journal Year:
2024,
Volume and Issue:
9(11), P. 1650 - 1665
Published: June 10, 2024
Polyethylene
terephthalate
(PET)
as
one
of
non-degradable
wastes
has
become
a
huge
threat
to
the
environment
and
human
health.
Chemical
Recycle
PET
is
an
sustainable
way
release1,4-benzenedicarboxylic
acid
(BDC)
monomer
common
used
organic
linker
for
synthesis
functional
Metal–organic-frameworks
(PET-derived
MOFs)
such
UiO-66,
MIL-101,
etc.
This
cost-effective
"Waste-to-MOFs"
model
great
significant
be
intensively
investigated
in
past
years.
Attributes
substantial
porosity,
specific
surface
area,
exposed
metal
centers,
uniform
structure,
flexible
morphology
render
PET-derived
MOFs
are
well-suited
applications
adsorption,
energy
storage,
catalysis,
among
others.
Herein,
present
work,
we
have
summarized
recent
advances
using
ex-situ
in-situ
methods
typical
catalysis
storage.
Despite
those
improvements
potential
applications,
challenges
still
remain
development
green
economical
routes
fully
utilize
waste
massive
manufacture
valuable
MOF
materials
chemicals.
review
provides
insights
into
conversion
value-added
materials,
further
suggests
promising
perspectives
develop
addressing
environmental
pollution
crises.