Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Ноя. 10, 2023
Abstract
Nickel,
a
prevalent
metal
in
the
ecosystem,
is
released
into
environment
through
various
anthropogenic
activities,
leading
to
adverse
effects.
This
research
explored
utilizing
zeolite
scony
mobile-5
(ZSM-5)
nanoparticles
encapsulated
sodium
alginate
(SA)
for
nickel
(II)
removal
from
aqueous
solutions.
The
adsorption
characteristics
of
SA/ZSM-5
were
examined
concerning
contact
duration,
initial
ion
concentration,
pH
level,
temperature,
and
sorbent
dosage.
findings
revealed
that
rising
reduced
Ni
uptake
by
while
increasing
concentration
25
100
mg
L
−1
led
decrease
percentage
91
80%
under
optimal
conditions.
Furthermore,
as
dosage
increased
4
16
g
,
capacity
declined
9.972
1.55
.
Concurrently,
beads'
sorption
decreased
96.12
59.14%
with
temperature
increase
ranging
55
°C.
data
on
beads
are
aptly
represented
Langmuir
Freundlich
equilibrium
isotherm
models.
Moreover,
second-order
kinetic
model
characterizes
kinetics
beads.
A
negative
free
energy
change
(ΔG°)
demonstrates
process
both
viable
spontaneous.
enthalpy
values
indicate
an
exothermic
nature
at
solid–liquid
interface
entropy
suggest
randomness.
In
conclusion,
this
novel
adsorbent
exhibits
promise
removing
solutions
could
potentially
be
employed
small-scale
industries
similar
RSC Advances,
Год журнала:
2023,
Номер
13(26), С. 17595 - 17610
Опубликована: Янв. 1, 2023
Heavy
metal
contamination
of
water
sources
has
emerged
as
a
major
global
environmental
concern,
threatening
both
aquatic
ecosystems
and
human
health.
pollution
in
the
environment
is
on
rise
due
to
industrialization,
climate
change,
urbanization.
Sources
include
mining
waste,
landfill
leachates,
municipal
industrial
wastewater,
urban
runoff,
natural
phenomena
such
volcanic
eruptions,
weathering,
rock
abrasion.
ions
are
toxic,
potentially
carcinogenic,
can
bioaccumulate
biological
systems.
metals
cause
harm
various
organs,
including
neurological
system,
liver,
lungs,
kidneys,
stomach,
skin,
reproductive
systems,
even
at
low
exposure
levels.
Efforts
find
efficient
methods
remove
heavy
from
wastewater
have
increased
recent
years.
Although
some
approaches
effectively
contaminants,
their
high
preparation
usage
costs
may
limit
practical
applications.
Many
review
articles
been
published
toxicity
treatment
for
removing
wastewater.
This
focuses
main
pollution,
chemical
transformation,
toxicological
impacts
environment,
harmful
effects
ecosystem.
It
also
examines
advances
cost-effective
techniques
physicochemical
adsorption
using
biochar
zeolite
ion
exchangers,
well
decomposition
complexes
through
advanced
oxidation
processes
(AOPs).
Finally,
advantages,
applications,
future
potential
these
discussed,
along
with
any
challenges
limitations
that
must
be
considered.
Molecules,
Год журнала:
2024,
Номер
29(5), С. 1069 - 1069
Опубликована: Фев. 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.
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2023,
Номер
8, С. 100495 - 100495
Опубликована: Сен. 22, 2023
Heavy
metal
pollution
is
a
serious
environmental
problem
that
poses
threat
to
human
health
and
the
environment.
Water
by
toxic
heavy
metals
major
cause
of
this
problem,
it
can
destroy
ecosystems,
spread
disease,
make
drinking
water
unsafe.
Biochar
promising
green
adsorbent
for
removing
from
water.
It
derived
various
biomasses,
including
agricultural
organic
wastes,
has
high
carbon
content,
surface
area,
stability.
These
properties
enable
biochar
effectively
remove
through
cation
exchange
adsorption.
This
review
summarizes
recent
advances
in
modification
enhanced
adsorption
metals.
discusses
advantages,
applications,
challenges,
prospects
method.
Biochar-based
advanced
oxidation
processes
(AOPs)
have
shown
promise
decomposition
complexes
enhancement
capacity
free
ions
industrial
wastewater.
The
also
highlights
research
gaps
limitations
remediation
proposes
future
directions.
Future
should
focus
on
developing
environmentally
friendly
cost-effective
technologies
scaling
up
biochar-based
removal
applications.
Scheme
1
illustrates
overall
summarized
presentation
article
as
graphical
abstract.
Separations,
Год журнала:
2023,
Номер
10(11), С. 565 - 565
Опубликована: Ноя. 10, 2023
The
long-term
sustainability
of
the
global
water
supply,
with
a
paramount
emphasis
on
cleanliness
and
safety,
stands
as
formidable
challenge
in
our
modern
era.
In
response
to
this
pressing
issue,
adsorption
techniques
have
emerged
pivotal
widely
recognized
solutions
for
removal
hazardous
pollutants,
particular
lead
from
wastewater.
This
comprehensive
review
explores
relentless
advancements
made
domain,
highlighting
innovations
using
separation
purification
that
surpass
traditional
metal
oxide-based
adsorbents.
Of
note
is
growing
exploration
alternative
materials,
such
starch,
chitosan,
nanoscale
structures
like
zeolites
metal-organic
frameworks,
magnetic
carbon-based
substances
development
inorganic
These
their
remarkable
capacity
structural
adjustment,
possess
extraordinary
capabilities
effective
contaminant
removal,
facilitating
swift
purification.
literature
survey
was
conducted
Google
Scholar
engine,
“adsorbents
remediation”
starting
keywords,
resulting
approximately
6000
papers.
search
refined
focus
last
three
years
specifically
targeted
papers
which
are
most
relevant
remediation.
More
than
100
were
analysed
investigate
various
techniques,
surface
modifications,
adsorbent
materials
managing
pollutants
water.
also
illuminates
research
limitations,
specific
starch-based
adsorbents
As
we
progress
towards
practical
commercial
applications,
identifies
challenges
associated
provides
invaluable
insights
into
future
prospects.
Surface
modification
emerges
promising
path,
potential
substantially
enhance
capacity,
potentially
doubling
or
even
quadrupling
it.
Moreover,
demonstrate
impressive
regenerative
capabilities,
maintaining
up
90%
regeneration
efficiency
after
multiple
cycles.
conclusion,
show
considerable
agents
aquatic
environments.
Nevertheless,
need
further
persists,
emphasizing
optimization
process
exploring
stability
real-world
scenarios.
Heliyon,
Год журнала:
2024,
Номер
10(3), С. e25303 - e25303
Опубликована: Фев. 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.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
319, С. 100446 - 100446
Опубликована: Май 31, 2024
Waterborne
heavy
metals
pose
significant
threats
to
both
the
environment
and
public
health,
causing
neurological
damage,
developmental
disorders,
organ
cancer.
It
is
essential
address
contamination
of
various
water
bodies
by
these
hazardous
substances
due
their
persistent
nature
lack
biodegradability.
This
review
thoroughly
explores
traditional
modern
strategies
utilized
remedy
sources
contaminated
with
evaluates
effectiveness
potential
scalability
each
method.
A
literature
survey
reveals
several
effective
for
removing
from
water:
adsorption,
flotation,
ion
exchange,
chemical
precipitation,
membrane-based
filtration,
coagulation,
flocculation,
phytoremediation,
electrochemical
methods.
In
our
examination,
we
discussed
agents/adsorbents
used,
efficiency
removal
technique,
operating
conditions,
intrinsic
advantages
disadvantages
approach.
Summarizing
key
findings,
noted
a
focus
on
adsorption
techniques;
however,
challenges
include
selectively
diverse
ions,
prolonged
retention
times,
cycling
stability.
While
membrane
methods
are
practical,
issues
like
large-volume
sludge
formation
exist.
Although
electrical-based
appear
promising,
solutions
needed
industrial-scale
separation
as
well.
Prioritizing
real
wastewater
samples
in
studies
crucial.
Future
research
should
emphasize
eco-friendly,
cost-effective
