Date palm fiber agro-waste biomass for efficient removal of 2,4,6-Trichlorophenol from aqueous solution: Characterization, Kinetics, Isotherms studies and Cost-effective analysis
Desalination and Water Treatment,
Год журнала:
2024,
Номер
318, С. 100405 - 100405
Опубликована: Апрель 1, 2024
This
study
proposes
using
date
palm
biomass
to
remove
emerging
industrial
contaminants,
such
as
2,4,6-Trichlorophenol
(2,4,6-TCP)
from
water,
promoting
sustainable
waste
utilization
and
a
more
cost-effective
technology.
To
investigate
the
potential
of
raw
fiber
Triethylamine-modified
fibers
(RDPF
TEA–MDPF)
for
2,4,6-TCP
removal
in
batch
adsorption
experiments.
The
residual
concentration
effluents
was
examined
UV-visible
spectroscopy.
structural
chemical
composition
modified
materials
determined
various
techniques,
including
BET,
FTIR,
Elemental
analyzer
(CHN),
Particle
size
analysis,
FESEM-EDX,
TGA
analysis.
optimal
pH
highest
uptake
capacity
equilibrium
studies
found
be
2.0
RDPF
6.0
TEA-MDPF
biomass.
sorption
kinetics
onto
both
adsorbents
excellent,
designated
by
pseudo-second-order
(R2
=
0.93–0.99)
Elovich
models
0.86–0.97).
indicates
that
regulated
chemisorption.
results
experiment
exhibited
good
correlation
(R2)
between
PSO
maximum
(qm)
capacities
Langmuir
isotherm
model
remediation
aqueous
media,
which
115.50
mg/g
191.75
TEA-MDPF,
respectively.
exhibits
superior
compared
RDPF,
making
it
promising
candidate
contaminated
wastewater.
Язык: Английский
Effects of hydrodynamic cavitation in removal of polycyclic aromatic hydrocarbons (PAHs) from car-wash wastewater
Desalination and Water Treatment,
Год журнала:
2025,
Номер
unknown, С. 101067 - 101067
Опубликована: Фев. 1, 2025
Язык: Английский
Eucalyptus wood waste biochar: a green solution for fluoranthene contamination in wastewater
International Journal of Environmental Health Research,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Апрель 3, 2025
This
study
investigates
the
removal
of
fluoranthene
(Flu)
from
vehicle-wash
wastewater
(VWW)
using
biochar
(EWB)
derived
eucalyptus
wood
waste.
Analytical
techniques
such
as
surface
area
analysis
(SAA),
scanning
electron
microscopy
(SEM),
and
fourier
transform
infrared
spectroscopy
(FT-IR)
were
employed
to
characterize
EWB.
Optimal
conditions
for
Flu
adsorption
(98.80%)
determined
40
ppm
initial
concentration,
60
minutes
contact
time,
pH
5,
60°C,
0.4
g
adsorbent
dosage.
The
process
was
evaluated
kinetic
models
isotherms,
showing
that
onto
EWB
follows
a
pseudo-second
order
model.
Langmuir
isotherm
provided
best
fit
experimental
data.
Thermodynamic
revealed
is
exothermic
spontaneous,
indicated
by
values
entropy
(ΔS°),
Gibbs
free
energy
(ΔG°),
enthalpy
(ΔH°).
A
comparative
with
commercial
adsorbents
demonstrated
high
efficacy
in
removing
industrial
wastewater,
achieving
over
98%
efficiency.
Язык: Английский
Non-wood-based biochars as promising and eco-friendly adsorbents for chromium hexavalent Cr (VI) removal from aquatic systems: state-of-the-art, limitations, and potential future directions
Environmental Pollutants and Bioavailability,
Год журнала:
2024,
Номер
36(1)
Опубликована: Авг. 14, 2024
Chromium
exists
from
both
natural
geological
processes
and
human
actions,
it
has
a
substantial
impact
on
health
ecosystems.
This
study
addresses
the
major
challenges
in
using
biochar
as
an
environmentally
friendly,
sustainable,
economical
sorbent
for
removing
chromium
hexavalent
throughout
remediation
process.
The
results
exhibited
that
produced
non-woody
feedstocks
pyrolyzed
at
(300°C
−700°C)
significantly
large
amount
of
various
functional
groups,
higher
pH
(7
to
11.10)
CEC
(27
21.70
cmol
kg−1),
greater
surface
area
(2–300
m2g−1),
O/C
H/C
ratios
with
increasing
carbonization
temperature,
adsorption
capacities
(1.63
435
mg
g)
superior
performance
removal
compared
biochars
woody-biomass.
use
equilibrium
isotherm,
thermodynamic,
kinetic
models
aids
comprehending
interactions
between
biochar,
well
their
processes.
Язык: Английский
Removal of hydrocarbon pollutants from refinery wastewater using N-hexadecylchitosan as an efficient adsorptive platform
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июль 26, 2024
The
negative
impact
of
refinery
wastewater
is
great
concern
to
the
aquatic,
terrestrial,
and
aerial
environment.
In
this
study,
N-hexadecylchitosan
(NHDC)
was
successfully
synthesized
deal
with
low
mechanical
strength,
poor
adsorption
capacity,
limited
selectivity
native
chitosan.
NHDC
characterized
by
fourier-transform
infrared
spectroscopy
(FTIR),
scanning
electron
microscopy
(SEM)
X-Ray
diffraction
analysis
(XRD)
study
its
composition,
morphology,
structural
attributes.
hydrocarbon
pollutants
from
studied
in
batch
mode
experiments.
results
indicated
that
removal
COD
attained
chitosan
21
63%,
respectively.
found
be
maximal,
i.e.,
96%
using
0.08
g
at
60
min
a
solution
pH
6.5
maintained
°C.
Furthermore,
kinetic
data
revealed
system
followed
pseudo-second
order
kinetics,
whereas
equilibrium
studies
supported
both
monolayer
multilayer
mechanisms.
designed
platform
able
capture
under
very
mild
optimized
conditions.
demonstrated
long
term
stability
when
subjected
five
successive
cycles,
which
contributed
sustainability
water
treatment
systems.
On
basis
outcome
work,
it
advocated
new
biobased
can
used
as
an
efficient
adsorbent
for
remediation
organic
contaminants
laden
streams
generated
oil
refineries.
Язык: Английский
Characteristics of Removal of Lead, Cadmium and Chromium from Soil Using Biosorbent and Biochar
Applied Sciences,
Год журнала:
2024,
Номер
14(16), С. 7241 - 7241
Опубликована: Авг. 17, 2024
The
study
proposed
the
use
of
aspen
wood
sawdust
and
biochar
derived
from
this
for
removal
Pb(II),
Cd(II),
Cr(VI)
ions
soil
in
systems
containing
single
metals
as
well
a
mixture
all
studied
metals.
effectiveness
applied
sorbents
was
compared
with
sorptive
properties
activated
carbon.
results
showed
that
tested
materials
reduced
metal
content
soil,
obtained
able
to
sorb
lead,
cadmium,
chromium
both
systems.
influence
type
sorbent,
its
dose,
process
duration,
impact
on
efficiency
sorption
capacity
analyzed.
A
statistical
analysis
also
conducted,
determining
parameters
capabilities
ions.
highest
Pb,
Cd
Cr
ion
efficiencies
were
36-day
at
sorbent
dose
10%.
Aspen
sawdust,
carbon
removed
46%,
50%
71%
35%,
43%
53%
Cd(II)
15%,
27%
38%
Cr(VI),
respectively.
In
turn,
values
achieved
2%,
obtaining
20.2
mg/g,
22.3
mg/g
23.2
5.1
7.9
11.7
3.8
5.8
8.5
It
found
raw
are
effective
removing
toxic
which
presents
potential
solution
their
presence
natural
environment.
Язык: Английский
A novel thermosensitive porous imprinted polymer for selectively separating ReO4− based on Pickering‐like emulsion polymerization
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
141(42)
Опубликована: Авг. 10, 2024
Abstract
In
this
study,
we
combined
the
imprinting
technique,
temperature‐sensitive
polymer,
and
Pickering
emulsion
polymerization
to
prepare
a
porous
imprinted
polymer.
First,
block
polymer
PDEA‐b‐P
(DEA‐co‐AM)
was
prepared
by
reversible‐addition
fragmentation
chain
transfer
polymerization,
then
ReO
4
−
(ReO
‐TPIP)
using
Pickering‐like
which
introduced
preparation
of
The
structure
morphology
were
characterized
FTIR,
SEM‐EDS,
BET.
adsorption
experiments
showed
that
maximum
(Q),
separation
(R),
desorption
(D)
‐TPIP
0.1568
mmol/g,
3.41,
85.22%,
respectively,
equilibrium
could
be
reached
after
120
min,
decreased
0.1212
1.23,
70.01%
repeated
use
for
11
times.
These
results
indicate
has
good
reusability
properties.
studies
conformed
zero‐level
kinetic
model
in
pre‐adsorption
stage,
quasi‐one‐level
late
isothermal
process
more
Langmuir
model.
addition,
secondary
leach
solution
high‐temperature
alloys,
purity
rhenium
increased
from
35.4119%
53.4812%
one
adsorption/desorption
cycle.
provides
new
material
strategy
selective
purification
complex
rhenium‐containing
solutions
industry.
Язык: Английский