Heliyon,
Journal Year:
2025,
Volume and Issue:
11(4), P. e42559 - e42559
Published: Feb. 1, 2025
Highlights•First
time
demonstration
of
bio-based
functionalized
organosolv
lignin
(OL-APTES-H+)
for
phosphate
adsorption
and
recovery
from
industrial
dairy
wastewater.•Sustainable
alternative
to
conventional
inorganic
metal-based
adsorbents,
reducing
environmental
impact
toxicity.•High
removal
efficiency
confirmed
in
real
wastewater,
supporting
its
potential
wastewater
treatment
applications.AbstractWastewater
rich
phosphates
nitrates
causes
eutrophication
leads
the
impairment
freshwater
resources.
Out
various
methods
used,
is
immaculate
economical
removing
recovering
streams
a
single-step
process.
This
study
explores
adsorbent,
[OL],
chemically
modified
by
grafting
with
3-aminopropyltriethoxysilane
[APTES],
as
an
effective
adsorbent
[OL-APTES-H+]
aqueous
solutions
wastewater.
The
characterization
OL-APTES-H+
was
performed
using
multiple
analytical
techniques,
providing
comprehensive
information
on
material
morphology,
elemental
composition,
functional
groups,
thermal
stability,
surface
charge,
electrokinetic
behavior.
assessed
under
varying
experimental
conditions,
including
pH,
contact
time,
initial
concentration.
capacity
depended
different
forms
species
being
preferentially
adsorbed
at
pH
values.
A
maximum
21.12
mg/g
achieved
5.
Kinetic
studies
indicated
that
process
followed
combination
electrostatic
interactions,
chemisorption
interaction,
evidenced
SEM
EDS
analyses.
XPS
results
confirm
phosphorus
incorporation
surface,
reinforcing
chemisorption.
Adsorption
isotherm
analysis
revealed
data
fitted
well
Langmuir
model,
suggesting
monolayer
mechanism.
performance
enhanced
presence
monovalent
ions,
while
slight
reduction
observed
divalent
anions.
When
applied
exhibited
efficiencies
ranging
30%
58%.
Overall,
demonstrates
considerable
recovery,
effectively
mitigating
pollution
bodies
eco-friendly
source
sustainable
agricultural
practices.Graphical
abstract
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(24), P. 12573 - 12593
Published: June 6, 2024
Through
the
substitution
reaction
between
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
(DOPO)
and
sodium
lignosulfonate
(LS),
a
novel
phosphorus-containing
(DAL)
was
successfully
synthesized
via
solvothermal
method
used
as
multifunctional
flame
retardant
to
prepare
silicone-acrylic
emulsion
(SAE)
composite
Si–P–C
coating.
The
structure
of
DAL
determined
by
X-ray
diffraction
(XRD),
attenuated
total
reflection
infrared
spectroscopy
(ATR-FTIR),
photoelectron
(XPS),
nuclear
magnetic
resonance
(solid-state
13C
NMR
31P
NMR).
results
demonstrated
that
incorporating
an
appropriate
dosage
(0.9
g,
1.5
wt
%)
into
SAE-based
coatings
enhances
retardancy
reduces
heat
release
smoke
production
during
burning.
peak
rate
(p-HRR)
decreases
from
236.7
120.3
kW·m–2,
(TSP)
71.1%,
flame-retardant
index
increases
1.00
4.58.
Meanwhile,
coating
is
transformed
dense
nonflammable
vitreous
polyphosphate
barrier
layer
firing
process
prevent
or
mass
transfer.
Furthermore,
pyrolysis
kinetics
identify
3D
Z–L–T
model
governs
coatings'
pyrolysis,
makes
Eα
climb
300.98
331.30
kJ·mol–1
at
358–439
°C.
Hence,
this
study
presents
new
synthesis
DAL,
studies
excellent
properties
cross-linking
mechanism
DAL-doped
SAE-composite
coatings,
explores
halogen-free,
low-carbon,
clean
eco-technology
strategy.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(21)
Published: May 5, 2023
The
uptake
of
hexavalent
chromium
(Cr(VI))
ions
from
wastewater
is
great
significance
for
environmental
remediation
and
resource
utilization.
In
this
study,
a
self-designed
instrument
equipped
with
an
oxidized
mesoporous
carbon
monolith
(o-MCM)
as
electro-adsorbent
developed.
o-MCM
super
hydrophilic
surface
displayed
high
specific
area
(up
to
686.5
m2
g-1
).
With
the
assistance
electric
field
(0.5
V),
removal
capacity
Cr(VI)
126.6
mg
,
much
higher
than
that
without
(49.5
During
process,
no
reduction
reaction
Cr(III)
observed.
After
adsorption,
reverse
electrode
10
V
used
efficiently
desorb
on
surface.
Meanwhile,
in
situ
regeneration
adsorbents
can
be
obtained
even
after
ten
recycles.
On
basis,
enrichment
special
solution
achieved
field.
This
work
lays
foundation
heavy
metal
Heliyon,
Journal Year:
2025,
Volume and Issue:
11(4), P. e42559 - e42559
Published: Feb. 1, 2025
Highlights•First
time
demonstration
of
bio-based
functionalized
organosolv
lignin
(OL-APTES-H+)
for
phosphate
adsorption
and
recovery
from
industrial
dairy
wastewater.•Sustainable
alternative
to
conventional
inorganic
metal-based
adsorbents,
reducing
environmental
impact
toxicity.•High
removal
efficiency
confirmed
in
real
wastewater,
supporting
its
potential
wastewater
treatment
applications.AbstractWastewater
rich
phosphates
nitrates
causes
eutrophication
leads
the
impairment
freshwater
resources.
Out
various
methods
used,
is
immaculate
economical
removing
recovering
streams
a
single-step
process.
This
study
explores
adsorbent,
[OL],
chemically
modified
by
grafting
with
3-aminopropyltriethoxysilane
[APTES],
as
an
effective
adsorbent
[OL-APTES-H+]
aqueous
solutions
wastewater.
The
characterization
OL-APTES-H+
was
performed
using
multiple
analytical
techniques,
providing
comprehensive
information
on
material
morphology,
elemental
composition,
functional
groups,
thermal
stability,
surface
charge,
electrokinetic
behavior.
assessed
under
varying
experimental
conditions,
including
pH,
contact
time,
initial
concentration.
capacity
depended
different
forms
species
being
preferentially
adsorbed
at
pH
values.
A
maximum
21.12
mg/g
achieved
5.
Kinetic
studies
indicated
that
process
followed
combination
electrostatic
interactions,
chemisorption
interaction,
evidenced
SEM
EDS
analyses.
XPS
results
confirm
phosphorus
incorporation
surface,
reinforcing
chemisorption.
Adsorption
isotherm
analysis
revealed
data
fitted
well
Langmuir
model,
suggesting
monolayer
mechanism.
performance
enhanced
presence
monovalent
ions,
while
slight
reduction
observed
divalent
anions.
When
applied
exhibited
efficiencies
ranging
30%
58%.
Overall,
demonstrates
considerable
recovery,
effectively
mitigating
pollution
bodies
eco-friendly
source
sustainable
agricultural
practices.Graphical
abstract
