Langmuir,
Journal Year:
2024,
Volume and Issue:
40(43), P. 22573 - 22581
Published: Oct. 18, 2024
The
magnetic
composite
gel
bead
(Fe3O4–C@SA
GB)
adsorbent
was
prepared
by
sodium
alginate
(SA)
crosslinking
with
pitaya
peel-derived
porous
carbons
(PPDPCs)
and
iron
oxide
nanoparticles
(Fe3O4
NPs).
adsorption
effects
of
Fe3O4–C@SA
GBs
on
heavy
metal
ions
(HMIs)
17
β-estradiol
(E2)
in
water
are
evaluated
classical
kinetic
models
isotherm
models.
pseudo-second-order
model
shows
that
have
maximum
capacities
9.62,
7.50,
13.61
mg/g
for
Cu
(II),
Cd
Pb
respectively.
Meanwhile,
the
highest
performance
synthesized
beads
to
E2
is
ca.
276.3
mg/g.
In
addition,
can
still
maintain
a
high
level
efficiency
after
five
cycles,
displaying
economic
reusability.
Hence,
this
work
provides
useful
insights
into
efficient
elimination
pollutants
sewage
corresponding
mechanisms.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
345, P. 123502 - 123502
Published: Feb. 3, 2024
Microplastics
(MPs)
pose
a
global
concern
due
to
their
ubiquitous
distribution.
Once
in
the
environment,
they
are
subject
aging,
which
changes
chemical-physical
properties
and
ability
interact
with
organic
pollutants,
such
as
pesticides.
Therefore,
this
study
investigated
interaction
of
hydrophobic
herbicide
terbuthylazine
(TBA),
is
widely
used
agriculture,
artificially
aged
polyethylene
(PE)
MP
(PE-MP)
understand
how
aging
affects
its
sorption.
PE
was
by
an
accelerated
weathering
process
including
UV
irradiation,
hydrogen
peroxide,
ultrasonic
treatment,
particles
were
characterized
comparison
pristine
particles.
Sorption
kinetics
performed
for
materials,
while
further
sorption
studies
PE-MP
included
determining
environmental
factors
pH,
temperature,
TBA
concentration.
found
be
significantly
lower
on
compared
because
led
formation
oxygen-containing
functional
groups,
resulting
reduction
hydrophobicity
negatively
charged
sites
oxidized
surfaces.
For
PE-MP,
best
described
pseudo-second-order
model,
it
intra-particle
diffusion
result
crack
pore
formation.
followed
decreasing
trend
increasing
became
less
favorable
at
higher
temperatures.
The
isotherm
data
revealed
complex
altered,
heterogeneous
surfaces
involving
interactions,
bonding,
π-π
Sips
adsorption
model.
Desorption
low,
confirming
strong
interaction.
However,
thermodynamic
results
imply
that
increased
temperatures,
those
from
climate
change,
could
promote
re-release
into
environment.
Time-of-flight
secondary
ion
mass
spectrometry
(ToF-SIMS)
confirmed
onto
PE.
RSC Sustainability,
Journal Year:
2024,
Volume and Issue:
2(3), P. 686 - 694
Published: Jan. 1, 2024
Valorizing
domestic
biomass
waste
for
contaminated
water
treatment
may
be
an
effective
way
to
achieve
the
sustainable
development
goal
of
attaining
clean
all.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(4), P. 3806 - 3816
Published: Feb. 3, 2024
SBA-15@MOF-525
composites
were
constructed
by
in
situ
self-assembly
of
a
metal–organic
framework
(MOF-525)
with
mesoporous
SBA-15
silica.
MOF-525
crystals
confined
inside
the
mesopores
as
well
grown
on
outside
surface
SBA-15,
under
impact
structure-directing
role
and
exhibited
both
microporous
characteristics.
In
general,
adsorption
tetracycline
(TC)
was
affected
pH.
The
capacity
decreased
rapidly,
especially
an
alkaline
environment,
due
to
collapse
skeleton.
By
contrast,
incorporating
into
improved
stability
MOF-525.
TC
almost
unaffected
High
stable
over
wide
pH
range
maintained
acidic,
neutral,
environments.
used
effectively
for
adsorption.
maximum
690
mg/g,
which
is
higher
than
that
most
reported
adsorbents.
great
potential
practical
applications
demonstrated
investigating
lake
water
samples.
RSC Sustainability,
Journal Year:
2024,
Volume and Issue:
2(5), P. 1498 - 1507
Published: Jan. 1, 2024
In
this
study,
granular
adsorbents
containing
varying
ratios
of
torrefied
wheat
straw
(TWS),
eggshells
(ES),
and
chitosan
(Chi)
were
prepared,
which
are
referred
to
as
ternary
composites
(TWCs).
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(30), P. 13389 - 13400
Published: July 18, 2024
In
this
study,
hydrogen
peroxide-modified
biochars
from
wetland
plants
were
synthesized
and
employed
for
aqueous
bisphenol
A
(BPA)
removal,
which
achieved
equilibrium
within
300
min.
The
adsorption
trend
increased
with
increasing
initial
BPA
concentration
or
contact
time
before
reaching
equilibrium.
pseudo-second-order
kinetic
model
Langmuir
isotherm
fitted
well
the
data.
maximum
capacities
of
Phragmites
australis
Typha
orientalis
biochar
carbonized
at
500
°C
6
h
modified
5%
peroxide
reached
10.589
8.483
mg/g,
respectively.
modification
resulted
in
highest
specific
surface
area
7.143
m2/g
P.
9.848
T.
orientalis,
thereby
promoting
BPA.
Characterization
showed
that
micropore
mesopore
volumes
areas
biochars,
disrupted
microcrystalline
structures,
reduced
regularity
biochars.
regeneration
study
demonstrated
exhibited
reusability
up
to
five
cycles,
a
reduction
removal
efficiency
10.67%
10.07%
biochar.
