Date Seed-Derived Activated Carbon: A Comparative Study on Heavy Metal Removal from Aqueous Solutions
Applied Sciences,
Год журнала:
2025,
Номер
15(6), С. 3257 - 3257
Опубликована: Март 17, 2025
The
presence
of
heavy
metals
in
groundwater
and
wastewater
has
been
a
concern
for
health
organizations.
This
study
investigated
the
effectiveness
activated
carbon
derived
from
various
natural
precursors,
including
acorns
red
oak
trees
(Quercus
rubra),
date
seeds,
peach
employing
thermal
activation
method
removal
aqueous
solutions.
Batch
adsorption
tests
effects
sorbent
quantity,
pH
levels,
disinfectant
presence,
dissolved
organic
matter
(DOM)
on
efficiency
Pb
Cu.
Characterization
prepared
was
conducted
using
scanning
electron
microscopy
(SEM).
Lead
diminished
at
7
relative
to
3
5,
but
copper
exhibited
superior
efficiencies
compared
5.
addition
monochloramine
4
parts
per
million
(ppm)
effectively
eliminated
lead
solution.
A
rise
free
chlorine
concentration
2
mg/L
led
reduction
metal
water
by
20
60%.
DOM
concentrations
1
6
reduced
efficacy
mg/L.
Date
seed-activated
carbons
underscore
their
distinctive
potential,
offering
useful
insights
enhancement
treatment
systems.
Язык: Английский
Trace element removal from wastewater by agricultural biowastes: A data analysis on removal efficacy and optimized conditions
The Science of The Total Environment,
Год журнала:
2025,
Номер
975, С. 179235 - 179235
Опубликована: Апрель 3, 2025
Язык: Английский
Application of Magnetic Aquatic Plant Biochar for Efficient Removal of Antimony from Water: Adsorption Properties and Mechanism
Separations,
Год журнала:
2024,
Номер
12(1), С. 2 - 2
Опубликована: Дек. 28, 2024
Antimony
(Sb)
pollution
in
natural
water
bodies
can
cause
significant
harm
to
aquatic
ecosystems.
Currently,
the
utilization
of
chemicals
presents
disadvantages,
such
as
hardship
collecting
dispersed
flocs
and
incomplete
elimination
pollutants.
In
present
research,
a
novel
type
efficient
adsorbent
material
for
magnetic
recovery
Sb
was
proposed:
plant
biochar.
Its
adsorption
characteristics
mechanism
were
deeply
investigated.
The
results
demonstrated
that,
among
three
types
plants,
biochar
Arundo
donax
(LMBC)
displayed
most
superior
effect
on
Sb.
Under
optimal
conditions
(pyrolysis
temperature
300
°C,
dosage
100
mg,
pH
8),
removal
rate
by
LMBC
exceeded
97%.
relatively
rapid,
kinetics
conformed
pseudo-second-order
kinetic
model.
isotherm
consistent
with
Langmuir
Freundlich
models,
maximum
capacity
reached
26.07
mg/g,
suggesting
that
process
pertained
multi-molecular
layers.
influence
coexisting
ions
insignificant.
SEM
characterization
revealed
mainly
consisted
elements
C
O.
BET
magnetization
modification
augmented
specific
surface
area
approximately
30
times
reach
89.14
m2/g,
pore
volume
increased
twofold
0.18
cm3/g,
creating
favorable
condition
adsorption.
FTIR,
XRD,
XPS
indicated
rich
carboxyl
hydroxyl
groups
successfully
loaded
Fe2O3
Fe3O4.
not
only
facilitates
resourceful
waste
but
also
effectively
removes
antimony
through
its
properties.
This
dual
functionality
promising
application
prospects
from
water.
Язык: Английский