Frontiers in Veterinary Science,
Год журнала:
2023,
Номер
10
Опубликована: Март 29, 2023
Toxicity
with
heavy
metals
has
proven
to
be
a
significant
hazard
several
health
problems
linked
it.
Heavy
bioaccumulate
in
living
organisms,
pollute
the
food
chain,
and
possibly
threaten
of
animals.
Many
industries,
fertilizers,
traffic,
automobile,
paint,
groundwater,
animal
feed
are
sources
contamination
metals.
Few
metals,
such
as
aluminum
(Al),
may
eliminated
by
elimination
processes,
but
other
like
lead
(Pb),
arsenic
(As),
cadmium
(Ca)
accumulate
body
leading
chronic
toxicity
Even
if
these
have
no
biological
purpose,
their
toxic
effects
still
present
some
form
that
is
damaging
its
appropriate
functioning.
Cadmium
(Cd)
Pb
negative
impacts
on
number
physiological
biochemical
processes
when
exposed
sub-lethal
doses.
The
nephrotoxic
Pb,
As,
Cd
well
known,
high
amounts
naturally
occurring
environmental
occupational
populations
exposures
an
adverse
relationship
between
kidney
damage
metal
exposure.
Metal
determined
absorbed
dosage,
route
exposure,
duration
whether
acute
or
chronic.
This
can
numerous
disorders
also
result
excessive
due
oxidative
stress
generated
free
radical
production.
concentration
decreased
through
various
procedures
including
bioremediation,
pyrolysis,
phytoremediation,
rhizofiltration,
biochar,
thermal
process.
review
discusses
few
mechanisms,
cattle
special
emphasis
kidneys.
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
Journal of Cleaner Production,
Год журнала:
2024,
Номер
438, С. 140779 - 140779
Опубликована: Янв. 1, 2024
This
study
presents
the
design,
characterization,
and
application
of
a
novel
multifunctional
membrane
specifically
developed
for
an
electrochemical
system
similar
to
electrodialysis,
with
objective
removing
low-concentration
copper
ions
from
semiconductor
wastewater.
The
membranes
were
fabricated
using
pore-filling
method,
where
porous
polytetrafluoroethylene
(PTFE)
substrates
impregnated
monomer
blend
solutions
containing
vinyl
phosphonic
acid
(VPA)
crosslinking
agents,
such
as
polyethyleneglycol
dimethacrylate
(PEGDMA),
acrylated
thiourea
(ATU),
tannic
(ATA),
ladder
two
synthesized
crosslinkers
serving
roles
sorptive
functionality.
These
exhibited
excellent
mechanical
dimensional
stability,
rendering
them
suitable
in
metal
ion
sorption
system.
To
evaluate
performance
membrane,
several
key
parameters
assessed,
including
exchange
capacity
(IEC),
ionic
conductivity
(∼110.6
mS/cm),
reusability.
Batch-type
experiments
conducted
investigate
at
pH
5
7,
result
applying
removal
system,
demonstrated
remarkable
efficacy,
reducing
concentration
1
ppm
0.01
ppm.
Finally,
we
confirmed
membrane's
ability
remove
less
than
even
industrial
wastewater,
validating
its
practical
applicability.
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
34, С. 103628 - 103628
Опубликована: Апрель 9, 2024
This
study
introduces
a
novel
method
for
producing
magnetic
hybrid
alumina
nanoparticles
phase
(MHAl-NPsP)
tailored
specifically
efficient
copper
(II)
ion
removal
from
wastewater.
The
synthesized
MHAl-NPsP
underwent
comprehensive
characterization,
including
Fourier
transform
infrared
spectroscopy
(FTIR),
scanning
electron
microscopy
(SEM)
revealing
its
rough
and
porous
surface
morphology,
X-ray
diffraction
(XRD)
analysis,
transmission
(TEM)
BET
analysis
area
measurements,
TGA
confirming
high
thermal
stability,
vibrating
sample
magnetometry
(VSM)
successful
synthesis
through
detection
of
properties,
Photoelectron
Spectroscopy
(XPS)
analysis.
Remarkably,
demonstrated
an
exceptional
adsorption
capacity
52.5
mg/g
under
optimized
conditions
pH
3.5
initial
concentration
30
mg/L,
surpassing
previous
results
significantly.
Detailed
investigation
into
kinetics
revealed
pseudo-second-order
model,
suggesting
predominant
chemisorption
mechanism.
Moreover,
using
the
Langmuir
isotherm
model
showed
excellent
fitting
with
R²
value
0.994,
indicating
monolayer
coverage
as
primary
mode.
Notably,
dependency
studies
indicated
enhanced
efficiency
decreasing
levels,
highlighting
significant
role
electrostatic
interactions.
underscores
effectiveness
environmental
sustainability
green
approach
employed
MHAl-NPsP.
Utilizing
their
facilitate
easy
separation
retrieval
adsorbed
ions,
making
them
highly
promising
practical
applications
in
wastewater
treatment.
findings
advocate
development
eco-friendly
adsorbents
to
tackle
water
pollution
challenges,
providing
solutions
sustainable
remediation.
