Biopolymers
infused
with
bimetallic
nanoparticles
exhibit
a
wide
range
of
functionalities
necessary
for
efficiently
eliminating
diverse
water
contaminants.
However,
the
protracted
production
process
requires
further
exploration.
As
such,
this
current
study
seeks
to
optimize
microwave-assisted
technique
facile
synthesis
cross-linked
chitosan
(CTS)
supported
oxide
nanoparticles,
specifically
zinc
(ZnO)
and
iron
(Fe3O4),
denoted
as
CTS-TTP/Zn-Fe.
The
primary
objective
is
investigate
efficacy
these
beads
in
removal
Paracetamol
(PCM)
from
single
complex
matrices
while
also
assessing
their
antibacterial
properties.
Characterization
includes
chemical
composition,
surface
structures,
thermal
stability,
magnetic
experimental
results
demonstrated
that
CTS-TPP/Zn-Fe
achieved
remarkable
PCM
efficiency
approximately
99%,
Zn:Fe
mole
ratio
1:1.
data
showed
good
applicability
Freundlich
isotherm
chemisorption-supported
rate
models
(R2>0.9).
To
evaluate
long-term
viability
practicality
beads,
three
crucial
field
tests
were
conducted.
These
encompassed
competition
studies
other
pharmaceuticals,
desorption
investigations
repeated
use,
evaluations
an
ionic
solution.
Collectively,
research
provides
comprehensive
understanding,
spanning
material
design
practical
applications,
potential
relevance
large-scale
wastewater
treatment
when
coupled
appropriate
flux
control
measures.
Separation and Purification Technology,
Год журнала:
2023,
Номер
330, С. 125266 - 125266
Опубликована: Окт. 4, 2023
The
presence
of
pharmaceutical
wastes
in
the
environment
has
adversely
impacted
marine
biodiversity
due
to
their
hazardous
and
bioaccumulation
nature.
This
research
focussed
on
development
an
effective
phosphorus-doped
3D
graphene
oxide
with
bentonite
carboxymethylcellulose
crosslinking
(PG/BCC)
for
removal
imipramine
wastewater.
impacts
single
factor
(adsorbent
dosage,
initial
concentration,
system
temperature
contact
time)
adsorption
were
examined
by
batch
experiments
while
interactive
multiple
factors
process
optimisation
investigated
central
composite
design
(CCD).
greatest
capacity
evaluated
was
458.95
mg/g
at
following
CCD
optimised
operating
parameters:
10
mg
PG/BCC,
250
ppm
34
min
time
321
K
temperature.
Langmuir
model
described
well
equilibrium
whilst
pseudo-second-order
correlated
closely
kinetic
data.
imipramine-PG/BCC
spontaneous
(-19.235
−27.583
kJ/mol)
endothermic
(1.230
14.562
as
from
thermodynamic
modelling.
Characterisation
PG/BCC
various
microscopy
spectroscopy
analyses
validated
incorporation
adsorbent.
Regeneration
used
proven
be
highly
feasible
methanol
eluent.
Conclusively,
findings
strongly
advocate
a
sustainable
graphene-based
adsorbent
separation
Abstract
In
this
investigation,
meso
‐substituted
one‐walled
phthalimide
appended
calix[4]pyrrole
(
m
Pth–C4P)
was
prepared
from
pthalimide
functionalized
dipyrromethane
(DPM,
4
),
acetone,
and
freshly
distilled
pyrrole
via
both
conventional
as
well
green
protocols
utilizing
the
deep
eutectic
solvent
(DES)
of
N,N'
‐dimethyl
urea
(DMU)
&
l
‐(+)‐tartaric
acid
(TA)
in
an
appropriate
ratio
7:3.
order
to
lessen
nitrate
(NO
3
−
)
ion
endowed
eutrophication
peril,
Pth–C4P
effectively
employed
a
supramolecular
adsorbent
for
sequestration
NO
aquatic
phase.
The
extensively
characterized
by
FTIR,
1
H‐NMR,
SEM–EDX,
elemental
mapping
corroborate
synthesis
adsorption
ion.
surface
area
found
be
11.465
2
g
−1
pore
size
3.2
nm,
pointed
out
mesoporous
nature
Pth–C4P.
Batch
methodology
exploited
detailing
influence
process
parameters
on
%efficiency
capacity.
demonstrated
excellent
competence
(>
91%)
within
16
min
[NO
]
20
mg
L
,
which
translates
into
good
pseudo‐second
rate
constant
value
0.026
.
Freundlich
model
best‐fit
pointing
multilayer
adsorption.
maximum
saturation
capacity
239.03
‒1
at
298
K,
is
far
better
than
most
reported
adsorbents
indicating
potential
confiscate
dynamics
appraisal
elucidated
favor
uptake
with
intraparticle
liquid
film
diffusion
models
governing
reaction.
Thermodynamic
suggested
that
spontaneous,
favorable,
exothermic
harmony
isotherm
studies.
can
used
consecutively
up
cycles
along
real
water
>
80%
uptake.
All
these
results
established
efficacious
scavenger
simulated
water.
Chemistry - An Asian Journal,
Год журнала:
2022,
Номер
18(2)
Опубликована: Ноя. 22, 2022
Over
the
past
two
decades,
non-covalent
chemistry
has
introduced
various
promising
artificial
receptors
and
revolutionized
host-guest
chemistry.
These
versatile
have
particularly
been
entertained
in
sensing
recognizing
of
diverse
neutral
molecules
and/or
ionic
entities
(e.
g.
anions,
cations
ion-pair)
particular
interest.
Notably,
supramolecular
had
given
birth
to
a
plethora
important
molecules,
explored
chemical,
biological,
environmental,
pharmacological
world
resolve
critical
issues
related
human
health
while
keeping
environmental
concerns
mind.
Amongst
types
monotopic
(anions,
cations,
molecules),
heteroditopic
(ion-pair
receptors)
consisting
distinct
binding
sites
one
system
for
both
cation
anion,
gained
much
interest
from
scientific
community
recent
because
their
unique
abilities.
Interestingly,
these
shown
potential
applications
sensing,
recognition,
transport
extraction
processes
besides
uses
salt/waste
purification.
Bearing
importance
systems
mind,
we
intended
report
developments
ion-pair
Herein,
divided
whole
document
into
three
main
sections;
first
describes
introduction
history
ion-pairs
receptors.
The
second
portion
highlights
synthesis
molecular
machines,
photoswitching
behaviour,
properties,
whereas
last
part
this
manuscript
provides
concluding
remarks
as
well
future
prospects
We
hope
that
will
be
helpful
stimulating
researchers
around
globe
find
out
hidden
opportunities
areas.
