Separations,
Год журнала:
2023,
Номер
10(11), С. 560 - 560
Опубликована: Ноя. 9, 2023
The
solvothermal
synthesis
technique
was
employed
to
successfully
fabricate
a
series
of
rare
earth
doped
SnO2-Sb
electrodes
on
the
TNTs
array
substrate,
serving
as
anode
material
for
electrocatalytic
degradation
phenol.
electrode
with
elements
demonstrated
superior
activity
and
stability
in
comparison
undoped
electrode.
influence
adding
(i.e.,
Gd
Nd)
into
precursor
solution
structural
property
TNTs/SnO2-Sb
studied
detail.
results
obtained
from
SEM
XRD
indicated
that,
compared
TNTs/SnO2-Sb-Nd,
TNTs/SnO2-Sb-Gd
exhibited
finer
grain
size
due
smaller
ionic
radius
element.
This
facilitated
its
incorporation
SnO2
lattice
interior
inhibited
growth,
resulting
significant
decrease
particle
exposing
more
active
sites.
mechanism
doping
electrochemical
investigated
through
XPS,
EPR,
LSV,
EIS
Hydroxyl
radicals
(•OH)
generation
tests.
that
enhanced
can
be
attributed
an
increased
oxygen
vacancies
surface,
which
act
sites
enhancing
adsorption
species
promoting
•OH
generation.
Environment International,
Год журнала:
2023,
Номер
179, С. 108144 - 108144
Опубликована: Авг. 12, 2023
Rhizosphere
is
a
crucial
area
in
comprehending
the
interaction
between
plants
and
microorganisms
constructed
wetlands
(CWs).
However,
influence
of
photoperiod,
key
factor
that
regulates
photosynthesis
rhizosphere
microbial
activity,
remains
largely
unknown.
This
study
investigated
effect
photoperiod
(9,
12,
15
hours/day)
on
pollutant
removal
underlying
mechanisms.
Results
showed
15-hour
treatment
exhibited
highest
efficiencies
for
COD
(87.26%),
TN
(63.32%),
NO3--N
(97.79%).
enhanced
photosynthetic
pigmentation
root
which
increased
transport
oxygen
soluble
organic
carbon
to
rhizosphere,
thus
promoting
nitrification
denitrification.
Microbial
community
analysis
revealed
more
stable
co-occurrence
network
due
complexity
aggregation
treatment.
Phaselicystis
was
identified
as
connector,
responsible
transferring
necessary
sources,
ATP,
electron
donors
supported
optimized
nitrogen
metabolism
CWs.
Structural
equation
model
emphasized
importance
plant-microbe
interactions
through
substance,
information,
energy
exchange.
These
findings
offer
valuable
insights
CWs
design
operation
various
latitudes
rural
areas
small-scale
decentralized
systems.
