Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 22, 2025
Natural
wastes
and
inorganic
adsorbents
are
used
for
the
removal
of
diazo
dye
Congo
red
(CR),
which
causes
water
pollution
is
a
carcinogen,
from
wastewater.
Organic
waste
olive
pulp
(ZK),
ZrO2
(Zr)
three
different
weight
percent
ZK/Zr
(organic/inorganic)
binary
adsorbent
systems
prepared
by
ball-milling
method
were
investigated
effective
CR
Characterization
both
single
carried
out
ATR/FTIR
SEM.
According
to
Langmuir
isotherm,
qmax
values
ZK,
Zr,
25ZK-75Zr,
50ZK-50Zr
75ZK-25Zr
at
45
°C
588
mgg-1,
13
46
65
mgg-1
84
respectively.
Frumkin-Fowler-Guggenheim
Temkin
isotherms,
adsorption
heat
was
found
be
exothermic
ZK
all
temperatures,
while
it
endothermic
25ZK-75Zr
50ZK-50Zr.
It
observed
that
ΔG°
calculated
thermodynamic
data
consistent
with
in
Flory-Huggings
isotherm.
kinetic
data,
except
obeyed
pseudo-first-order
rate
equation.
shown
error
calculations
experimental
or
Freundlich
isotherms
better.
new
organic/inorganic
system
could
obtained
adding
(CR)
water.
Marine Drugs,
Год журнала:
2023,
Номер
21(6), С. 353 - 353
Опубликована: Июнь 8, 2023
This
review
article
presents
past
and
current
alginate-based
materials
in
each
application,
showing
the
widest
range
of
alginate’s
usage
development
recent
years.
The
first
segment
emphasizes
unique
characteristics
alginates
their
origin.
second
sets
according
to
application
based
on
features
limitations.
Alginate
is
a
polysaccharide
generally
occurs
as
water-soluble
sodium
alginate.
It
constitutes
hydrophilic
anionic
polysaccharides
originally
extracted
from
natural
brown
algae
bacteria.
Due
its
promising
properties,
such
gelling,
moisture
retention,
film-forming,
it
can
be
used
environmental
protection,
cosmetics,
medicine,
tissue
engineering,
food
industry.
comparison
publications
with
products
field
food,
cosmetics
scientific
articles
showed
that
greatest
number
was
assigned
(30,767)
medicine
(24,279),
whereas
fewer
were
available
cosmetic
(5692)
industries
(24,334).
Data
are
provided
Google
Scholar
database
(including
abstract,
title,
keywords),
accessed
May
2023.
In
this
review,
various
alginate
described,
detailed
information
modified
composites
possible
usage.
Alginate’s
water
remediation
significant
value
highlighted.
study,
existing
knowledge
compared,
paper
concludes
future
prospects.
Process Safety and Environmental Protection,
Год журнала:
2024,
Номер
184, С. 129 - 150
Опубликована: Фев. 3, 2024
Potable
water
availability
is
becoming
increasingly
challenging
due
to
increasing
level
of
global
population
and
industrial
revolution.
The
disproportionate
use
methylene
blue
(MB),
particularly
in
applications,
a
growing
concern
its
high
resistance
biodegradation
propensity
taint
aquatic
environments.
In
this
study,
we
developed
novel
eco-friendly
calcium
oxide
nanoparticles
from
eggshells
fishbones
(CaONPs-ES
CaONPs-FB)
decorated
them
on
graphene
(GO)
surfaces.
Both
nanocomposites
(CaONPs-ES@GO
CaONPs-FB@GO)
were
characterized
using
state-art-instruments
used
for
the
removal
MB
aqueous
solutions.
transmission
electron.
Additionally,
adsorptive
performance
CaONPs-ES@GO
CaONPs-FB@GO
their
mechanisms
interaction
with
investigated.
BET,
SEM/EDX,
XPS
results
revealed
that
predominantly
mesoporous,
surface
areas
112
m²/g
108
m²/g,
respectively.
temperature-dependent
adsorption
isotherms
kinetics
towards
consistent
Redlich-Peterson
pseudo-second-order
models,
model
demonstrated
an
similarity
Freundlich
more
than
Langmuir
model,
suggesting
dominance
heterogeneous
multilayer
mechanism.
synthesized
exhibited
reusability
stability
(>70%)
even
after
10
successive
adsorption-desorption
cycles.
Thermodynamic
evaluations
process
was
spontaneous,
endothermic,
physically
driven.
outstanding
selective
behaviour
mixture
containing
MB/RhB
MB/MO
separation
efficiency
99.10%
77.34%
CaO-ES@GO,
61.23%
47.81%
CaO-FB@GO
particulate
within
primarily
involved
π-π
interaction,
hydrogen
bonding,
pore-filling,
electrostatic
attraction.
cost
analysis
are
economical
treating
large-scale
application.
Based
statistical
response
methodology
(RSM),
contributing
effects
temperature
adsorbent
dosage,
as
well
single
effect
pH,
had
most
significant
impact
removal.
demonstrate
promising
potential
sustainable
treatment.
C – Journal of Carbon Research,
Год журнала:
2024,
Номер
10(1), С. 19 - 19
Опубликована: Фев. 20, 2024
The
removal
of
contaminants
from
aqueous
solutions
by
adsorption
onto
carbonaceous
materials
has
attracted
increasing
interest
in
recent
years.
In
this
study,
pristine
and
oxidized
activated
carbon
(AC)
fabrics
with
different
surface
textures
porosity
characteristics
were
used
for
the
crystal
violet
(CV)
dye
solutions.
Batch
experiments
performed
to
investigate
CV
performance
AC
terms
contact
time,
temperature,
adsorbate
concentration
adsorbent
amount.
Evaluation
thermodynamic
parameters
ground
water
sea
also
carried
out.
Langmuir
isotherm
model,
pseudo
first
second
order
kinetics
models
utilized
analyze
fit
data.
introduction
oxygen-based
functional
groups
on
was
out
through
a
nitric
acid
treatment.
This
oxidation
process
resulted
significant
reduction
area
pore
volume,
along
small
increase
average
size
enhancement
capacity,
indicating
that
molecules
are
mainly
adsorbed
external
fabrics.
herein
evaluated
428
mg/g
capacity
at
55
°C
non-woven
fabric
is
one
highest
values
reported
literature
using
materials.
Thermodynamic
studies
showed
occurs
spontaneously
an
endothermic
entropy-driven
reaction.
Furthermore,
displayed
more
than
90%
uptake
samples,
underlining
great
potential
these
possess
dyes
natural/multicomponent
waters.
