Dalton Jurnal Pendidikan Kimia dan Ilmu Kimia,
Journal Year:
2024,
Volume and Issue:
7(2), P. 123 - 123
Published: Aug. 13, 2024
Karakteristik
alami
zeolit
alam
sangat
mempengaruhi
kemampuannya
untuk
mengadsorpsi
logam
aktif
di
dalam
kerangkanya.
Oleh
karena
itu,
penelitian
ini
bertujuan
mengetahui
konsentrasi
titanium
oksida
yang
sesuai
memodifikasi
Ende
menjadi
bahan
fotokatalis.
Berdasarkan
hasil
penelitian,
disimpulkan
bahwa
(TiO2)
adalah
sebesar
0,2
M
diimpregnasikan
ke
kerangka
Ende.
Zeolit
merupakan
jenis
mordenit
dan
tidak
mengalami
perubahan
struktur
setelah
dengan
kerangkanya,
tetapi
terjadi
pergesaran
sudut
2θ°
sebanyak
0,02
arah
lebih
besar.
Luas
permukaan
terbesar
berada
perlakuan
yaitu
23,365
m2/gram,
penampakan
morfologi
padat
rapi,
serta
peningkatan
rasio
Si/Al.
Perlakuan
larutan
terbaik
mampu
memberikan
16,40%
Molecules,
Journal Year:
2024,
Volume and Issue:
29(5), P. 1069 - 1069
Published: Feb. 29, 2024
Zeolites,
a
group
of
minerals
with
unique
properties,
have
been
known
for
more
than
250
years.
However,
it
was
the
development
methods
hydrothermal
synthesis
zeolites
and
their
large-scale
industrial
applications
(oil
processing,
agriculture,
production
detergents
building
materials,
water
treatment
processes,
etc.)
that
made
them
one
most
important
materials
20th
century,
great
practical
research
significance.
The
orderly,
homogeneous
crystalline
porous
structure
zeolites,
susceptibility
to
various
modifications,
useful
physicochemical
properties
contribute
continuous
expansion
in
both
large-volume
processes
(ion
exchange,
adsorption,
separation
mixture
components,
catalysis)
specialized
ones
(sensors).
following
review
knowledge
available
literature
on
aims
present
information
methods,
selected
this
aluminosilicates.
Special
attention
is
given
use
agriculture
environmental
protection.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(3), P. e25303 - e25303
Published: Feb. 1, 2024
In
recent
decades,
environmental
pollution
has
become
a
significant
problem
for
human
health
and
impact.
The
high
accumulation
of
heavy
metals
in
waters
soils
from
different
sources
was
conducted
finding
efficient
environmentally
friendly
treatment
methods
materials
their
removal,
respectively.
Natural
zeolites
have
found
wide-ranging
applications
remediation
protection,
considering
various
modification
designed
to
enhance
the
natural
zeolites'
adsorptive
or
ion-exchange
capabilities
increased
efficiency.
This
paper
briefly
consolidates
scientific
literature
related
main
characteristics
modified
zeolites,
advantages
limitations
applying
remediation,
summarizes
methodologies
applied
order
improve
properties.
Their
application
removing
water
systems
is
also
comprehensively
discussed.
review
highlights
excellent
potential
be
used
after
specific
as
sustainable
green
material
solve
numerous
issues.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
9, P. 100706 - 100706
Published: March 30, 2024
The
modified
clinoptilolite
was
used
to
mitigate
Cu(II)
and
Zn(II)
in
acid
mine
drainage.
This
study
explored
integrating
the
cationic
surfactant
HDTMA-Br
cation
Mg(II)
into
clinoptilolite.
added
concentration
is
designed
give
a
value
with
constant
exchange
capacity
(k×CEC).
using
ions
gives
higher
volume
pore
diameter
of
zeolite
than
natural
However,
addition
can
cover
surface
clinoptilolite,
causing
decrease
adsorbent
area.
at
level
1
CEC
(HDCL-1)
led
an
increase
adsorption
towards
Zn(II).
According
Langmuir
model,
HDCL-1
exhibited
highest
capacity,
reaching
15.16
mg/g
for
15.51
findings
suggest
that
may
involve
ion
mechanism.
use
as
initial
pH
5
remove
by
100%
75.5%,
respectively
AMD
model
solutions
contain
ratio
Cu(II):Zn(II)
=
1:1.
composite
selectivity
better
absorbing
metal
ions.
Continuous
carried
out
fixed
bed
adsorber
column
1.25
cm.
coming
follows
Thomas's
it
obtained
there
saturation
time
from
0.2
h
20.5
if
height
increased
2
cm
2.5
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
317, P. 100207 - 100207
Published: Jan. 1, 2024
Halloysite
sample,
obtained
from
Phu
Tho
province,
Vietnam,
was
utilized
to
investigate
the
adsorption
behavior
of
Cu2+
ions.
Several
factors
influencing
efficiency
and
capacity
were
explored,
including
pH
value,
contact
time,
adsorbent
dose,
initial
concentration.
Under
optimal
conditions
(0.8
g
halloysite
per
50
mL
solution,
an
concentration
40
mg/L,
6.2,
a
time
80
minutes,
temperature
25°C),
study
yielded
85.19%
2.14
mg/g
for
Adsorption
isotherm
analysis
conducted
using
Langmuir
Freundlich
models,
while
kinetics
process
investigated
through
first-order
pseudo
second-order
models.
Furthermore,
desorption
ions
recovery
Cu
metal
with
reaching
94.65%
under
suitable
(0.3
mass
halloysite,
current
7.5
mA,
electrolytic
5
hours
at
60°C).
These
findings
suggest
potential
application
clay
removing
polluted
water,
recovering
metal,
reusing
adsorbent.
Beilstein Journal of Nanotechnology,
Journal Year:
2025,
Volume and Issue:
16, P. 44 - 53
Published: Jan. 17, 2025
The
electronic
and
optical
properties
of
a
composite
created
by
introducing
magnetite
cluster
into
NaA
zeolite
have
been
investigated
in
this
work
using
DFT
calculations.
results
obtained
indicate
that
the
are
enhanced
because
cluster.
However,
exhibited
outside
differ
from
those
it
presents
when
is
part
composite.
It
noteworthy
exhibits
magnetic
half-semiconductor
strong
response
within
visible
ultraviolet
regions
spectrum.
Processes,
Journal Year:
2025,
Volume and Issue:
13(2), P. 566 - 566
Published: Feb. 17, 2025
Green
materials
are
emerging
as
sustainable
alternatives
in
water
and
wastewater
treatment.
Due
to
their
biodegradability,
renewable
origin
low
toxicity
characteristics,
green
an
alternative
conventional
synthetic
materials.
include
nanomaterials
of
natural
origin,
biopolymers
composites
that
optimize
the
adsorption
removal
contaminants.
The
applications
cellulose
nanofibers,
alginates,
chitosan
lignin
stand
out,
well
functionalized
hydrogels
aerogels
for
heavy
metals,
dyes
organic
analysis
mechanisms
processes
contaminant
modeling
optimization
techniques
included
key
tools
design
these
materials,
allowing
one
predict
properties,
simulate
interactions
customize
solutions.
Despite
sustainability
benefits
they
face
technical
economic
challenges,
such
scalability,
synthesis
costs
experimental
validation.
This
work
concluded
combined
with
tools,
essential
move
towards
more
sustainable,
efficient
environmentally
friendly
treatment
technologies,
aligned
global
objectives
development
climate
change
mitigation.
