One-pot fabrication of C-doped synergistic wrinkly carbon nitride porous nanosheets: Rapid charge carriers' separation and boosted photocatalytic redox reactions
Journal of Molecular Structure,
Год журнала:
2025,
Номер
unknown, С. 141601 - 141601
Опубликована: Янв. 1, 2025
Язык: Английский
Hybrid adsorbents for pollutants removal: A comprehensive review of chitosan-glycidyl methacrylate composites
Journal of Molecular Liquids,
Год журнала:
2025,
Номер
unknown, С. 127262 - 127262
Опубликована: Март 1, 2025
Язык: Английский
Activated Carbon Synthesized from Nypa fruticans and Areca catechu by Microwave Method as Efficient Adsorbent for the Removal of Chloramphenicol
Asian Journal of Chemistry,
Год журнала:
2025,
Номер
37(4), С. 771 - 778
Опубликована: Март 29, 2025
This
work
employed
the
microwave-assisted
method
to
prepare
activated
carbons
from
byproducts
of
Areca
catechu
(ACAC)
shells
and
Nypa
fruticans
(ACNF)
nut
shells.
The
results
show
that
materials
have
a
rough
surface
like
coral
reef
contains
characteristic
functional
groups
such
as
O-H,
C=O,
C=C,
C-O
with
an
amorphous
structure.
Surface
area
pore
size
were
also
evaluated
ACAC
195.93
m2
g-1
ACNF
514.91
g-1.
adsorption
isotherms
predict
pores
small
mesopores.
factors
affecting
ciprofloxacin
using
derived
carbon
evaluated.
For
ACAC,
best
optimized
conditions
contact
time
90
min,
temperature
40
ºC,
pH
6,
dosage
2
g
L-1,
concentration
80
mg
whereas
for
ACNF,
4,
1
L-1.
samples
follow
pseudo-second-order
(PSO)
kinetic
model,
Elovich
Dubinin-Radushkevich
(D-R)
Temkin
isotherms.
Langmuir
model
was
used
record
maximal
capacities
ciprofloxacin,
which
57.60
67.59
g-1,
respectively.
process
occurs
by
diffusion
chemisorption
interactions
on
homogeneous
heterogeneous
ACNF.
Язык: Английский
Design and fabrication of nano-composite ceramic membranes for the adsorption of antibiotics from pharmaceutical wastewater
Mohsen Moghimi Dehkordi,
Soheila Hedayatikhah,
Mina Haghmohammadi
и другие.
RSC Advances,
Год журнала:
2025,
Номер
15(13), С. 10227 - 10242
Опубликована: Янв. 1, 2025
Antibiotic
contamination
in
pharmaceutical
wastewater
poses
environmental
and
public
health
risks.
This
study
synthesized
a
nanocomposite
ceramic
adsorbent
from
clay,
cow
bone
powder
(hydroxyapatite
nanoparticles),
human
hair
for
antibiotic
removal.
The
exhibited
high
mechanical
strength
(3.6
bar),
chemical
stability,
large
surface
area
(171.32
m2
g-1).
Characterization
(FTIR,
XRD,
FE-SEM,
BET)
confirmed
successful
nanoparticle
incorporation.
In
vertical
fixed-bed
column,
optimal
removal
occurred
at
pH
7,
25
g
adsorbent,
°C,
40
min
contact
time.
Adsorption
was
endothermic,
following
pseudo-first-order
intraparticle
diffusion
models.
retained
>90%
efficiency
after
142
regeneration
cycles,
proving
its
durability
cost-effectiveness.
Язык: Английский
Development of adsorbents based on phosphate-containing hyper-cross-linked polymers for selective removal of tetracycline from water: Unveiling the role of phosphate groups in adsorption
Separation and Purification Technology,
Год журнала:
2025,
Номер
unknown, С. 132846 - 132846
Опубликована: Апрель 1, 2025
Язык: Английский
Sustainable Approaches for Pharmaceutical Pollutant Removal: Advances in Chitosan‐Based Nanocomposite Adsorbents
ChemistrySelect,
Год журнала:
2025,
Номер
10(13)
Опубликована: Апрель 1, 2025
Abstract
The
growing
presence
of
pharmaceutical
pollutants
in
aquatic
environments
poses
significant
threats
to
both
human
health
and
ecosystems.
Despite
their
crucial
role
healthcare,
pharmaceuticals
enter
water
systems
through
various
sources,
making
them
some
the
most
critical
environmental
contaminants.
Traditional
wastewater
treatments,
which
are
classified
into
physical,
chemical,
biological
techniques,
often
struggle
effectively
remove
pharmaceuticals.
Among
these
methods,
adsorption
stands
out
as
a
reliable
versatile
approach
for
removing
organic
enhancing
efficiency
treatment
processes.
Biopolymers,
particularly
chitosan,
gaining
attention
due
numerous
advantages,
including
biocompatibility,
biodegradability,
affordability,
high
capability,
non‐toxicity,
availability
from
diverse
natural
sources.
Chitosan,
hydrophilic
biopolymer,
can
be
chemically
modified
by
incorporating
nanoparticles
(e.g.,
metal
oxides,
carbon‐based
materials,
magnetic
particles)
boost
its
efficiency.
These
advancements
enable
chitosan‐based
nanocomposites
range
pharmaceuticals,
antibiotics,
analgesics,
hormones,
water.
This
review
examines
latest
developments
nanocomposite
adsorbents,
emphasizing
fundamental
mechanisms,
optimization
conditions,
kinetic
behaviors,
isotherm
models.
factors
collectively
determine
capturing
pollutants.
Moreover,
underscores
potential
materials
remediation,
offering
valuable
insights
application
future
research
directions.
Ultimately,
aim
this
is
provide
insight
offer
an
innovative
effective
solution
challenge
contamination
By
addressing
key
challenges
utilizing
advanced
material
designs,
adsorbents
hold
great
promise
sustainable
efficient
removal
systems.
Язык: Английский