Abstract
The
objective
of
this
investigation
is
to
look
into
the
potential
use
trash
potato
peels
and
processed
as
a
solution
for
effectively
removing
Mn(II)
ions
extracted
from
aqueous
solutions.
optimal
working
circumstances
in
PP
are
an
initial
concentration
300
mg/L,
adsorbent
dose
0.3
g,
contact
time
(CT)
100
min,
pH
6.08.
conditions
MPP
were
established
be
dosage
0.15
CT
Studies
conducted
at
various
temperatures
better
understand
removal
capabilities
compounds.
abilities
determined
10.787,
13.698,
16.556
mg/g
varied
(25,
35,
45°C),
respectively.
Under
same
conditions,
capacity
was
34.246,
45.045,
51.813
mg/g.
Further
adsorption
kinetics
revealed
that
experimental
results
suited
pseudo‐second‐order
model
both
adsorbents.
Thermodynamic
analyses
demonstrated
endothermic
process
metal
ion
onto
adsorbents
occurred
spontaneously.
study
found
very
efficient
ecologically
friendly
Their
performance
highlights
their
value
sustainable
wastewater
treatment
applications,
which
accord
with
environmentally
conscious
behaviors.
Surface Innovations,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 15
Published: May 2, 2025
A
series
of
salt-free
imidazoline
surfactants
with
different
carbon
chains
was
synthesized.
The
products
were
characterized
by
Fourier
transform
infrared
spectrum
(FTIR),
nuclear
magnetic
resonance
hydrogen
(
1
H
NMR),
and
13
C
NMR).
corrosion
inhibition
effect
inhibitors
evaluated
the
static
weight
loss
method,
electrochemical
scanning
electron
microscope
observation.
mechanism
analyzed
adsorption
mode,
an
energy-dispersive
spectrometer
used
to
study
on
steel
surface.
Transmission
dynamic
light
scattering
analyze
aggregation
surfactants.
It
found
that
increase
chain,
efficiency
increased
first
then
decreased,
inhibitor
aggregate
increased.
There
are
two
explanations
for
decrease
after
chain
length
is
too
long:
when
long,
bending
will
lead
layer
surfactant
surface
not
close,
capacity
sheet
weak
long.
long
hydrophobic
tail
entangled
each
other,
resulting
in
a
larger
surfactant.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(11), P. e32422 - e32422
Published: June 1, 2024
•Modified
coconut
shell
biochars
were
prepared
using
ZnCl2
and
KMnO4
as
modifiers.•Mn-modified
MCSBCs
adsorptions
for
Pb(II)
had
the
maximum
qe
value
of
93.67mg/g.•Both
two-
three-parameter
isotherm
models
used
to
fit
testing
data.•MCSBCs
showed
excellent
adsorption
properties
from
water.
The
modified
(MCSBCs)
fabricated
their
evaluated,
in
which
waste
was
raw
material,
both
applied
inorganic
modifiers.
FT-IR
spectra,
TGA,
SEM
BET
techniques
utilized
characterize
properties.
It
spotted
that
thermal
stability
UCSBC
could
arrive
at
500
oC.
specific
surface
areas
Zn-
Mn-modified
(485.137,
476.734
m2/g)
highly
decreased
compared
with
(3528.78
m2/g).
In
contrast,
average
pore
diameters
(3.295,
3.803
nm)
smaller
than
(3.814
nm).
These
findings
reveal
modification
CSBC
didn't
change
its
size.
Their
performed
some
controlling
factors
involving
pH,
contact
time,
starting
concentration
temperature
explored.
Moreover,
experiment
data
fitted
via
linear
non-linear
techniques.
found
Langmuir
maximal
amounts
un-modified
biochar
(UCSBC),
Zn-modified
reach
31.653,
86.547
93.666
mg/g,
respectively.
Two-parameter
kinetic
exposed
on
UCSBC,
obeyed
Lagergren
first-order
(non-linear
R2=0.990,
0.954,
0.953,
respectively)
Avrami
fractional-order
R2=0.989,
0.946,
0.945,
models.
verified
followed
R2=0.992,
0.997,
0.993,
well
Sips
0.992,
computation
thermodynamic
parameters
evidenced
can
effectively
rise
Pb(II),
exhibiting
promising
applications
handling
metal-bearing
ChemistrySelect,
Journal Year:
2023,
Volume and Issue:
8(45)
Published: Dec. 1, 2023
Abstract
This
research
involves
evaluating
the
use
of
modified
orange
peel
(MOP)
in
removal
Pb
2+
and
Hg
from
wastewater.
For
modification
process,
certain
concentrations
ethanol,
NaOH,
CaCl
2
solution
were
added
to
washed
dried
kept
at
room
temperature
for
24
hours.
The
mixture
was
then
subjected
filtration
rinsed
with
distilled
water
until
pH
level
reached
7.
this
reason,
effects
on
adsorption
efficiency
examined
by
performing
batch
experiments.
surface
properties
MOP
investigated
using
scanning
electron
microscopy
(SEM),
energy
dispersive
spectroscopy
(EDS),
Fourier
transform
infrared
(FT‐IR)
techniques.
results
revealed
that,
among
various
models,
Langmuir
isotherm
model
provided
best
fit
data
ions.
Based
kinetic
adsorption,
pseudo‐second‐order
a
more
accurate
description
process
According
thermodynamic
analyses,
both
metal
ions
bind
spontaneously
endothermally.
determined
be
reliable
valid
alternative
material
aqueous
environments
based
its
qualities
such
as
high
capacity,
ease
availability,
low
cost,
agricultural
waste,
recycling
potential,
no
environmental
impact.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 25, 2024
Abstract
The
objective
of
this
investigation
is
to
look
into
the
potential
use
trash
potato
peels
(PP)
and
processed
(MPP)
as
a
solution
for
effectively
removing
Ni(II)
ions
extracted
from
aqueous
solutions.
optimal
working
circumstances
in
PP
are
an
initial
concentration
500
mg/L,
adsorbent
dose
0.3
g,
contact
time
(CT)
100
minutes,
pH
6.21.
conditions
MPP
were
established
be
dosage
0.15
CT
Studies
conducted
at
various
temperatures
better
understand
removal
capabilities
compounds.
abilities
determined
25.125,
29.325,
33.112
mg/g
varied
(25,
35,
45
oC),
respectively.
Under
same
conditions,
capacity
was
68.965,
78.125,
85.470
mg/g.
Further
adsorption
kinetics
revealed
that
experimental
results
suited
pseudo-second-order
model
both
adsorbents.
Thermodynamic
analyses
demonstrated
endothermic
process
Ni
(II)
metal
ion
onto
adsorbents
occurred
spontaneously.
study
found
very
efficient
ecologically
friendly
Their
performance
highlights
their
value
sustainable
wastewater
treatment
applications,
which
accord
with
environmentally
conscious
behaviors.
high
remove
ions,
together
ease
use,
low
cost,
origin
agricultural
trash,
make
them
long-term
uses
water
purification
environmental
cleanup.
