Sains Malaysiana,
Journal Year:
2024,
Volume and Issue:
53(1), P. 189 - 200
Published: Jan. 31, 2024
Eliminating
heavy
metal
Cr
(VI)
in
liquids
is
challenging.
Developing
adsorbents
using
sustainable,
cheap,
and
biodegradable
materials
still
a
concern.
Therefore,
this
study
aims
to
synthesize
adsorbent
by
transforming
forest
residue
into
nano-sized
lignocellulose
biochar.
This
lignocellulosic
biochar,
with
the
assistance
of
chitosan
alginate,
was
coated
onto
Luffa
aegyptiaca
sponge
surface
complete
structure
proposed
adsorbent.
easy
apply
adsorbing
metals,
durable,
can
be
reused.
The
products
were
characterized
observe
functional
groups
Fourier
Transform
Infrared
(FTIR)
morphology
Scanning
Electron
Microscopy
(SEM).
also
experimented
contact
times
120
1200
minutes
adsorption
process.
decrease
concentration
analyzed
Atomic
Absorption
Spectroscopy
(AAS).
Energy
Dispersive
X-ray
spectroscopy
(SEM-EDX)
observed
that
has
absorbed
ions.
FTIR
characterization
showed
presence
hydrogen,
aliphatic
C-H
group,
C=C
aromatic
ring,
carboxyl
groups,
carbonate
ion,
capable
binding
(VI).
on
luffa
well
attached.
results
process
concentration,
efficiency
reaching
94%
for
min
capacity
0.36
mg/g.
SEM-EDX
validated
attachment
ions
surface.
BMC Plant Biology,
Journal Year:
2023,
Volume and Issue:
23(1)
Published: Dec. 16, 2023
In
the
current
industrial
scenario,
cadmium
(Cd)
as
a
metal
is
of
great
importance
but
poses
major
threat
to
ecosystem.
However,
role
micronutrient
-
amino
chelates
such
iron
lysine
(Fe
lys)
in
reducing
Cr
toxicity
crop
plants
was
recently
introduced.
experiment,
exogenous
applications
Fe
lys
i.e.,
0
and10
mg
L
1,
were
examined,
using
an
vivo
approach
that
involved
plant
growth
and
biomass,
photosynthetic
pigments,
oxidative
stress
indicators
antioxidant
response,
sugar
osmolytes
under
soil
contaminated
with
varying
levels
Cd
0,
50
100
µM
two
different
varieties
canola
Sarbaz
Pea
09.
Results
revealed
increasing
decreased
growth-related
attributes
apparatus
also
soluble
protein
sugar.
contrast,
addition
significantly
increased
contents
malondialdehyde
(MDA)
hydrogen
peroxide
(H2O2),
which
induced
damage
both
activities
superoxide
dismutase
(SOD),
peroxidase
(POD),
catalase
(CAT),
non-enzymatic
compounds
phenolic,
flavonoid,
proline,
anthocyanin,
scavenge
over-production
reactive
oxygen
species
(ROS).
can
be
overcome
by
supplementation
lys,
improved
machinery
contents,
antioxidative
enzymes,
even
grown
soil.
Research
findings,
therefore,
suggested
application
ameliorate
result
composition
stress.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
319, P. 100404 - 100404
Published: May 23, 2024
Both
biochars
(BCs)
and
modified-biochars
(MBCs)
for
toxic-metal/metalloid
ions
(TMIs)
removal
from
water
have
caught
much
attention
owing
to
their
exceptional
properties
such
as
eco-friendly,
low-carbon
emission
cost-effective.
However,
reviews
on
the
exploration
of
theoretical
models
BCs
MBCs
in
various
systems
are
unobtainable.
To
give
a
summary
TMIs
solution
systems,
this
review
will
center
some
typical
kinetic
isotherm
equations
sorption
single,
mixed,
mixed
metal
ions/organic
substance
solutions.
Typically,
two-parameter
three-
parameter
were
stressed.
The
comparisons
these
drawn.
It
was
found
that
P-2nd-O
model,
Langmuir
Freundlich
dominating
adsorption
manners
MSSs.
Especially,
only
Cu(II),
Pb(II),
Cr(VI)
Cd(II)
sorption,
well
isotherms
Cu(II)
reported
We
hope
be
favorable
accurately
selecting
optimal
explain
processes
different
metal-solution
systems.
