Chimica Techno Acta,
Год журнала:
2023,
Номер
10(4)
Опубликована: Окт. 26, 2023
The
electrical
conductivity
of
low
concentrations
lanthanum-doped
SrTiO3
nanocube
ceramics
synthesized
using
the
facile
solvothermal
method
in
mixed
organic
and
inorganic
solvents
with
cetyltrimethylammonium
bromide
(CTAB)
as
a
capping
agent
tert-butyl
amine
(TBA)
mineralizer
was
investigated.
X-ray
diffraction
patterns
confirmed
formation
high-purity
perovskite
phase,
corresponding
to
standard
data
pattern
refinement
results.
particles
sample
were
nanocubes,
whereas
La-doped
more
uniform
size
shape,
shown
TEM
images.
FT-IR
spectrum
vibration
CH3-N+
groups
from
CTAB
TBA,
indicating
an
electrostatic
interaction
between
their
functional
particle
surface.
Substitution
La3+
ions
at
increased
compared
undoped
sample.
Lanthanum
donates
excess
electrons,
thereby
increasing
number
electron
carriers,
which
causes
reduction
band
gap
energy
according
UV-DRS
analysis
Tauc
equation.
Ultrasonics Sonochemistry,
Год журнала:
2024,
Номер
106, С. 106886 - 106886
Опубликована: Апрель 27, 2024
Tetracycline
has
received
a
great
deal
of
interest
for
the
harmful
effects
substance
abuse
on
ecosystems
and
humanity.
The
different
processes
degradation
tetracycline
were
compared,
with
dual-frequency
ultrasound
(DFUS)
in
combination
peroxymonosulfate
(PMS)
being
most
effective
degradation.
Free
radical
scavenging
experiments
showed
that
O2∙-,
SO4∙-
•OH
main
reactive
radicals
tetracycline.
According
to
major
intermediates
identified,
three
possible
pathways
proposed,
which
are
significance
translational
studies
Notably,
these
found
be
significantly
less
toxicity.
number
active
bubbles
vessel
was
calculated
using
semi-empirical
formula,
higher
value
1.44
×
108
L-1s−1
obtained
when
at
20
kHz
(210
W/L)
80
(85.4
W/L).
Therefore,
compared
kHz,
although
yield
strong
oxidizing
substances
from
individual
decreased
slightly,
significant
increment
still
resulted
synergistic
effect,
DFUS
PMS
should
promoting
generation
free
mass
transfer
within
vessel,
provides
method
efficient
removal
wastewater.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(22), С. 28353 - 28366
Опубликована: Май 24, 2024
Pollutant
treatment,
hazardous
solid
waste
conversion,
and
biomass
resource
utilization
are
significant
topics
in
environmental
pollution
control,
simultaneously
achieving
them
is
challenging.
Herein,
we
developed
a
"from
absorbent
to
effective
photocatalyst"
upcycle
strategy
for
nontoxic
conversion
of
Cd(II)
adsorbed
on
thiolation@wood-aerogel
(TWA)
into
CdS/g-C3N4
heterojunctions
through
the
situ
chemical
deposition
high-temperature
carbonization
combined
method
overcome
above
problems
simultaneously.
We
used
Schiff
base
reaction
graft
l-cysteine
dialdehyde@wood-aerogel
prepare
TWA
with
high
adsorption
capacity
(600
mg/L,
294.66
mg/g).
Subsequently,
spent
Cd(II)-loaded-TWA
was
as
substrate
construction
heterojunction
activating
peroxymonosulfate
(PMS)
under
simulated
sunlight
[simulated
solar
light
(SSL)],
efficient
tetracycline
(TC)
degradation
(20
95.32%).
The
Langmuir
pseudo-second-order
models
indicate
single-layer
process.
In
PMS/SSL
system,
CdS/g-C3N4@TWA
efficiently
rapidly
degraded
TC
via
an
adsorption-photocatalytic
synergistic
mechanism.
has
good
biocompatibility.
This
study
proposed
design
preparation
new
type
wood
aerogel
provided
novel
upcycling
innovative
use
adsorbent.
Materials Horizons,
Год журнала:
2024,
Номер
11(11), С. 2545 - 2571
Опубликована: Янв. 1, 2024
The
semiconductor
material
C
3
N
5
,
due
to
its
unique
physicochemical
properties
and
excellent
performance,
has
been
widely
researched
applied
in
the
fields
of
energy,
catalysis
environmental
remediation.
