Phosphoric acid based geopolymer foam-activated carbon composite for methylene blue adsorption: isotherm, kinetics, thermodynamics, and machine learning studies
RSC Advances,
Год журнала:
2025,
Номер
15(3), С. 1989 - 2010
Опубликована: Янв. 1, 2025
The
ACP
adsorbent,
a
blend
of
activated
carbon
and
phosphoric
acid-based
geopolymer
foam,
showed
high
methylene
blue
adsorption
efficiency,
aligning
with
the
Langmuir
isotherm,
PSO
kinetics,
ANN-based
predictions.
Язык: Английский
Bioeconomic transformation of bio-oil production wastes: a novel adsorbent material for toxic dye adsorption and optimization of process parameters
Journal of the Textile Institute,
Год журнала:
2024,
Номер
unknown, С. 1 - 12
Опубликована: Май 14, 2024
In
this
study,
for
the
first
time,
an
adsorbent
material
was
produced
from
waste
left
behind
after
bio-oil
production
process
Terebinth
(Pistacia
Terebinthus
L.)
seeds
as
part
of
bioconversion,
and
adsorption
hazardous
dyestuff
methylene
blue
aquatic
media
investigated.
The
characterization
performed
using
FT-IR,
SEM,
BET
analysis.
conducted
to
fully
understand
its
nature,
including
kinetics,
equilibrium,
thermodynamic
works.
maximum
capacity
(qmax)
monolayer,
determined
equilibrium
data,
calculated
be
166.07
mg
g−1.
Additionally,
experimental
design
method
utilized
determine
optimum
conditions
under
various
conditions.
This
study
revealed
that
activated
carbons
can
used
economical
environmentally
friendly
adsorbent,
which
is
very
suitable
removal
highly
toxic
dyes.
Язык: Английский
A novel biosorbent material from waste fish scales (Cyprinus carpio) for biosorption of toxic dyes in aquatic environments
Biomass Conversion and Biorefinery,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 2, 2024
Abstract
Polluted
water
sources
are
a
growing
concern
in
our
world
today,
with
more
and
of
precious
freshwater
becoming
contaminated.
Pollution
can
come
from
variety
sources,
such
as
industrial
discharge,
agricultural
runoff,
even
urban
runoff.
Several
treatment
technologies
have
been
investigated,
mainly
for
dye
pollution
textile
wastes.
In
this
study,
the
biosorption
methylene
blue
environment
was
examined
utilizing
low-cost
biodegradable
biomaterial.
Waste
fish
scales
modified
NaOH
were
used
The
effect
concentration
pH
variables
optimized.
SEM
surface
morphology
biomaterial
FT-IR
analyses
detection
functional
groups
performed.
characterization
conducted
to
fully
understand
its
nature,
including
kinetics,
equilibrium,
thermodynamic
works.
It
has
determined
that
process
conforms
most
closely
pseudo-second-order
kinetic
model
results
Langmuir
isotherm
equilibrium
results.
Based
on
data,
maximum
capacity
(
q
max
)
found
be
344.82
mg
g
−1
.
showed
various
surfaces
is
spontaneous
occurs
via
physisorption.
Additionally,
experimental
design
method
utilized
determine
optimum
conditions
under
conditions.
102.367
at
optimal
potential
biosorbent
derived
waste
promising
novel
material
due
unique
high
capacity.
Язык: Английский
Optimization of the preparation of palm kernel shell–derived activated carbon via Taguchi method for enhanced methylene blue removal
Biomass Conversion and Biorefinery,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Язык: Английский
Syzygium cumini derived biochar as sustainable adsorbent: Synthesis, parametric optimization with Experimental and theoretical sketch
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2025,
Номер
unknown, С. 136945 - 136945
Опубликована: Апрель 1, 2025
Язык: Английский
Exploring feasibility of citric acid infused lignocellulosic waste derived from chestnut and water melon peels for phytofiltration of Eosin yellow dye from water
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
276, С. 133878 - 133878
Опубликована: Июль 20, 2024
Язык: Английский
Tarım Atıklarından Aktif Karbon Üretimi ve Atıksudan Boya Giderimi: Karakterizasyon, Kinetik ve Denge Çalışmaları
Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 6, 2024
Tarım
atıkları,
sürdürülebilir
ve
çevre
dostu
atık
yönetimi
açısından
büyük
bir
potansiyele
sahiptir.
Bu
çalışmada,
tarım
atıklarından
pamuk
sapları
kullanılarak
aktif
karbon
adsorbenti
üretilmiştir.
adsorbent
ile
sudan
tehlikeli
boyar
madde
olan
malahit
yeşilinin
adsorpsiyon
prosesi
giderilmesi
incelenmiştir.
Adsorbentin
BET,
SEM
FT-IR
analizleri
karakterizasyonu
yapılmıştır.
Adsorpsiyon
etkinliğini
belirlemek
için
boya
konsantrasyonu
pH
gibi
değişkenlerin
optimizasyonu
gerçekleştirilmiştir.
Malahit
yeşili
adsorpsiyonunun
doğası
hakkında
daha
iyi
anlayış
elde
etmek
kinetik
denge
çalışmaları
Yapılan
çalışmalar
sonucunda,
yalancı
ikinci
dereceden
modelin
sürecini
en
şekilde
temsil
ettiği,
Langmuir
izoterminin
ise
özellikleri
uygun
model
olduğu
belirlenmiştir.
izoterm
verilerine
dayanarak,
maksimum
kapasitesi
(qmax)
69.06
mg
g⁻¹
olarak
çalışma,
saplarından
üretilen
adsorbanın
dostu,
ekonomik
etkili
su
arıtım
malzemesi
potansiyelini
ortaya
koymaktadır.
Hollow Biomass Adsorbent Derived from Platanus Officinalis Grafted with Polydopamine-Mediated Polyethyleneimine for the Removal of Eriochrome Black T from Water
Molecules,
Год журнала:
2024,
Номер
29(23), С. 5730 - 5730
Опубликована: Дек. 4, 2024
Platanus
officinalis
fibers
(PFs)
taking
advantage
of
high-availability,
eco-friendly
and
low-cost
characteristics
have
attracted
significant
focus
in
the
field
biomaterial
application.
Polyethyleneimine
grafted
with
polydopamine
on
magnetic
(PEI-PDA@M-PFs)
were
prepared
through
a
two-step
process
mussel
inspiration
Michael
addition
reaction,
which
can
work
as
an
effective
multifunctional
biomass
adsorbent
for
anionic
dye
outstanding
separation
capacity
efficiency.
The
as-prepared
PEI-PDA@M-PFs
possess
desirable
hydrophilicity,
magnetism
positive
charge,
along
abundant
amino
functional
groups
surface,
facilitating
efficient
adsorption
removal
Eriochrome
Black
T
(EBT)
dyes
from
water.
In
to
formation
mechanism,
properties,
including
isotherms,
kinetics,
reusability
absorbent,
studied
intensively.
achieved
theoretical
maximum
166.11
mg/g
under
optimal
conditions
(pH
7.0),
10
mg
introduced
into
EBT
solution.
pseudo-second-order
kinetic
Langmuir
models
well
matched
experimental
data.
Moreover,
thermodynamic
data
ΔH
>
0
revealed
homogeneous
chemical
heat-absorption
reaction.
remained
at
high
stability
recyclability
even
after
five
cycles
processes.
These
above
findings
provide
new
insights
processes
development
biologic
material
sustainable
applications.
Язык: Английский
Abatement of methylene blue and diazinon pesticide from synthetic solutions using magnetic biochar from pistachio shells modified with MOF-808
Environmental Research,
Год журнала:
2024,
Номер
267, С. 120542 - 120542
Опубликована: Дек. 18, 2024
Язык: Английский
Facile Synthesis of Acyl-Hydrazone Composites Based on Hydrazide-Modified Formylated Polystyrene for Effective Removal of Heavy Metal Ions and Sulfides from Water
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
17(1), С. 1049 - 1063
Опубликована: Дек. 19, 2024
In
this
study,
waste
polystyrene
was
modified
and
upgraded
to
prepare
formylated
polystyrene,
the
acetyl
hydrazone
(LT-HPA)
synthesized
by
condensation
with
polymethyl-propionyl-hydrazine.
It
is
proven
that
modification
of
adsorption
material
successful
various
characterization
methods.
subsequent
pollutant
removal
pH,
mass,
concentration,
contact
time,
salt
ion
interference
were
investigated.
The
optimal
pH
for
Cu(II)
sulfide
5
11,
respectively,
mass
adsorbent
1
g/L.
found
maximum
rate
Cu
(II)
231.51
mg/g.
equilibrium
time
less
than
40
min.
This
due
good
activity
acyl
hydrazide
groups
on
skeleton
through
coordination.
desulfurization
amount
in
60
min
370.21
mg/g,
which
mainly
caused
oxidation
sulfides
surface
oxidizing
groups.
Isotherm
kinetic
studies
show
processes
are
consistent
Langmuir
model
pseudo-second-order
model.
Thermodynamic
parameters
a
spontaneous
endothermic
process.
mechanism
chemical
adsorption,
supplemented
physical
adsorption.
After
10
regenerated
adsorption/desorption
cycles,
rates
remained
above
85%,
indicating
polystyrenesulfonate
acetylhydrazone
materials
have
reusability.
addition,
has
thermal
stability,
resistance,
environmental
friendliness.
summary,
application
prospect
copper(II)
provides
fresh
way
upgrading
polystyrene.
Язык: Английский