Heliyon,
Journal Year:
2024,
Volume and Issue:
10(1), P. e24006 - e24006
Published: Jan. 1, 2024
Population
growth
in
recent
years
has
led
to
increased
wastewater
production
and
pollution
of
water
resources.
This
situation
also
heavily
affects
Bolivia,
so
treatment
methods
materials
suitable
for
Bolivian
society
should
be
explored.
study
investigated
the
natural
Zeolite
(BZ)
its
NaCl-modified
structure
(NaBZ)
as
adsorbents
cadmium
removal
from
water.
The
BZ
modified
form
NaBZ
were
by
different
physicochemical
characterization
techniques.
Furthermore,
XPS
FT-IR
techniques
used
investigate
adsorption
mechanisms.
on
was
analyzed
using
various
mathematical
models,
Langmuir
model
provided
a
better
description
experimental
data
with
capacities
20.2
25.6
mg/g
NaBZ,
respectively.
followed
pseudo-second
order
kinetics.
effect
parameters,
such
initial
concentration
pH
studied.
In
addition,
results
regeneration
test
indicated
that
both
can
regenerated
hydrochloric
acid
(HCl).
Finally,
experiment
real
sample
(brine
Salar
de
Uyuni
salt
flat)
containing
mixture
heavy
metals
carried
out.
obtained
this
demonstrate
effectiveness
wastewater.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 12, 2024
Abstract
Green
and
efficient
agro-waste-based
activated
carbon
has
been
prepared
utilizing
peanut
shells
for
adsorptive
elimination
of
an
industrial
dye,
methylene
blue,
lead
from
polluted
water.
The
carbonaceous
biomass
obtained
was
chemically
using
either
NaOH,
ZnCl
2
,
or
steam
characterized
by
scanning
electron
microscopy,
Fourier-transform
infrared
spectroscopy,
N
adsorption
desorption
studies.
process
optimal
blue
at
alkaline
pH,
while
pH
4.5
Pb
(II)
adsorption.
takes
place
through
pseudo-second-order
kinetic,
the
rate-governing
step
procedure
are
intraparticle
diffusion
film
diffusion.
Furthermore,
thermodynamics
studied,
Gibbs
free
energy
(ΔG°)
values
negative
(−
35.90
to
−
43.59
kJ
mol
−1
)
indicating
spontaneous
investigated
pollutants
on
carbon.
As
per
correlation
coefficient,
results
were
best
fit
Langmuir
isotherm
with
maximum
capacity
303.03
mg
g
130.89
(II).
successfully
removed
%removal
exceeding
95%.
mechanisms
interaction
is
a
combination
electrostatic
ion
exchange,
interacts
via
π–π
interaction,
hydrogen
bonds,
interaction.
Thus,
employed
decontaminate
wastewater
groundwater
samples.
developed
promising,
cost-efficient,
green,
accessible
tool
water
remediation.
Green Chemistry Letters and Reviews,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: June 26, 2024
Cr
(VI)
compounds
find
wide
uses
in
the
industrial
sector,
such
as
wood
preservation,
tanning,
chrome
plating,
and
anticorrosive
agents.
Several
kinds
of
both
natural
factors
can
lead
to
contamination
wastewater.
Human
exposure
hazardous
metal
ion
a
variety
health
problems.
The
undergoes
transition
into
lower
oxidation
state
once
it
enters
cell,
causing
oxidative
stress
harming
organelles.
Not
only
do
sugar-phosphate
backbones,
histones,
base
pairing
DNA
suffer
from
induced
genotoxicity,
but
chromosomes
are
also
impacted.
Because
is
more
compared
other
metals,
needs
be
removed
water
It
feasible
remove
using
physiochemical
methods,
they
expensive
produce
sludge.
Therefore,
there
an
urgent
need
for
economical
eco-friendly
removal
technique.
Biological
techniques
including
biosorption,
bioreduction,
bioaccumulation
regarded
environmentally
beneficial
techniques.
sources
(VI),
toxicity,
green
technology
were
authors'
main
points
emphasis
this
review.
