Kastamonu University Journal of Engineering and Sciences,
Год журнала:
2022,
Номер
unknown
Опубликована: Июнь 13, 2022
This
study
aimed
to
determine
the
variations
in
K
and
Mg
element
concentrations
branches,
leaves,
seeds
of
Aesculus
hippocastanum,
Prunus
ceracifera,
Tilia
platyphyllos,
Acer
negundo,
Ailanthus
altissima,
which
are
frequently
used
urban
areas,
especially
landscape
studies,
based
on
traffic
density.
As
a
result,
changes
elements
density
all
organs
intensities
were
significant
(P
BioResources,
Год журнала:
2022,
Номер
18(1), С. 792 - 803
Опубликована: Дек. 1, 2022
One
of
the
most
critical
problems
throughout
world
is
air
pollution,
causing
death
millions
individuals
annually,
and
it
reported
that
90%
global
population
breathes
polluted
air.
Among
components
harmful
ones
are
heavy
metals,
which
can
remain
non-degraded
in
nature
for
a
long
time,
bio-accumulate
living
organisms,
be
toxic
or
carcinogenic
at
low
concentrations.
Hence,
monitoring
reducing
metal
pollution
high-priority
research
topics.
Heavy
metals
accumulate
within
various
organs
plants
grown
an
environment
with
increased
level
pollution.
The
analyses
on
these
provide
insight
into
In
present
study,
concentrations
aluminum
(Al),
one
important
were
determined
different
five
plant
species
regions
traffic
densities.
Remarkable
changes
observed
Al
all
species,
examined
here
by
organ
density.
highest
values
obtained
from
no-traffic
regions.
Applied Water Science,
Год журнала:
2025,
Номер
15(2)
Опубликована: Янв. 11, 2025
Abstract
Toxic
heavy
metals,
such
as
Pb(II)
and
Cd(II),
pose
serious
environmental
health
risks,
stressing
the
urgent
demand
for
innovative
sustainable
techniques
to
reduce
their
adverse
effects.
This
study
investigates
use
of
sugar
beet
biowaste
an
eco-friendly
biosorbent
removal
Cd(II)
from
aqueous
solutions,
in
both
laboratory
industrial
effluents.
Characterization
through
scanning
electron
microscopy,
X-ray
diffraction,
thermogravimetric
analysis,
Fourier-transform
infrared
spectroscopy,
energy-dispersive
spectroscopy
revealed
formation
stable
hydrocerussite
otavite,
confirming
chemisorption.
Approximately
95%
employed
is
composed
calcium
(Ca),
carbon
(C),
oxygen
(O).
The
zeta
potential
was
measured
at
−
17.5
mV
with
a
point
zero
charge
pH
8.0,
total
surface
area
approximately
7.72
m
2
g
−1
,
Langmuir
11.563
pore
volume
0.028
cm
3
.
Various
parameters,
metal
concentration,
dosage,
pH,
temperature,
contact
time,
were
optimized,
achieving
maximum
within
60
min
12
328
K.
Sorption
followed
pseudo-second-order
kinetic
model
(R
=
0.99)
Freundlich
isotherm
0.98),
high
sorption
capacities
466.5
mg
505.6
Cd(II).
Thermodynamic
analysis
indicated
that
process
spontaneous,
thermodynamically
favorable,
endothermic.
effectively
removed
metals
demonstrated
efficiencies
exceeding
85%
most
effluent
samples
Alexandria
Ain
Sokhna.
capacity
ratio
values
close
1
indicate
effective
uptake
minimal
interference,
even
presence
methylene
blue
dye.
Comparative
untreated
more
efficient
than
typical
biosorbents,
economic
cost
evaluation
processing
costs
1.05
USD/kg,
highlighting
its
economically
viable
option
treatment
supporting
broader
goals.
