Advancements in electron Rearrangement-Enhanced fenton-like catalysis of Metal-Organic Frameworks for water treatment applications
Separation and Purification Technology,
Год журнала:
2025,
Номер
unknown, С. 132213 - 132213
Опубликована: Фев. 1, 2025
Язык: Английский
0.09 wt.% Ru Enables Robust Bifunctional Water Splitting on Co‐N4 Sites
Advanced Sustainable Systems,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 3, 2025
Abstract
The
development
of
high‐performance
bifunctional
electrocatalysts
for
the
oxygen
evolution
reaction
(OER)
and
hydrogen
(HER)
is
crucial
efficient
cost‐effective
water
splitting
in
sustainable
production.
A
significant
challenge
this
area
engineering
active
sites
that
maintain
robust
stability
high
activity
under
varying
electrochemical
conditions
encountered
both
alkaline
acidic
media.
This
study
presents
Co
80
Ru
1
‐NCNFs,
an
advanced
electrocatalyst
showcases
a
self‐supported
carbon
nanofiber
membrane
with
uniformly
dispersed
Ru‐modified
Co‐N
4
sites,
excelling
OER
HER.
trace
incorporation
(0.09
wt%)
significantly
enhances
catalytic
through
synergistic
Co/Ru
interactions.
‐NCNFs
demonstrate
promising
performance
1.0
m
KOH,
along
remarkable
HER
conditions.
Density
functional
theory
(DFT)
calculations
reveal
optimizes
adsorption
energies
intermediates
on
thereby
improving
kinetics.
work
provides
critical
insights
design
stable
energy
conversion.
Язык: Английский
Low-Temperature Hydrothermal Modification with Fe/C Catalysts for Enhancing Corn Stover Anaerobic Digestion Performance and Modeling Development for Predicting Biomethane Yield
Catalysts,
Год журнала:
2025,
Номер
15(4), С. 362 - 362
Опубликована: Апрель 8, 2025
This
study
investigated
the
enhancement
of
corn
stover
(CS)
anaerobic
digestion
(AD)
performance
through
low-temperature
hydrothermal
modification
(HM)
with
Fe/C
catalysts
and
developed
two
predictive
models
for
biomethane
yield
(BY).
CS
was
modified
at
50
°C
then
anaerobically
digested.
The
results
indicated
that
significantly
improved
hydrolysis
efficiency,
by
increasing
concentrations
glucose,
mannose,
xylose,
volatile
fatty
acids
(VFAs),
which
were
1.9,
1.7,
3.0,
1.8
times
higher
than
those
HM
alone,
respectively.
enhanced
effectively
AD
performance,
leading
to
a
BY
increase
25.5%
as
compared
control
group.
time
reach
90%
maximum
(T90)
also
reduced
7
days.
Furthermore,
GM(1,N)
gray
system
model
simulated
multi-parameter
coupling
effects
in
processes
under
small-sample
conditions
(n
<
20),
demonstrating
high
accuracy
(average
percentage
deviation
[APD]
=
4.50%)
enabling
correlation
analysis
between
parameters
BY.
ANN-GA
exhibited
superior
prediction.
demonstrated
effectiveness
HM-Fe/C
enhancing
predicting
Язык: Английский
Fe or Ni Catalytic Hydrothermal Depolymerization with Ethanol for Efficient Anaerobic Digestion of Corn Stover
Catalysts,
Год журнала:
2025,
Номер
15(5), С. 429 - 429
Опубликована: Апрель 28, 2025
This
study
investigated
the
enhancement
of
anaerobic
digestion
(AD)
performance
corn
stover
(CS)
through
Fe/Ni
catalytic
hydrothermal
depolymerization
with
ethanol.
The
CS
process
was
conducted
using
Fe/C,
Ni/C,
Fe/CNT
and
Ni/CNT
catalysts
in
combination
ethanol
or
water/ethanol
solvents.
results
revealed
that
catalyst-ethanol
(DC-E)
effectively
disrupted
physical
encapsulation
cellulose
by
lignin.
It
also
showed
catalyst
significantly
promoted
β-O-4
bond
cleavage
lignin,
achieving
a
lignin
conversion
rate
48.5%
2.7
g/L
total
phenol
concentration
(TPC).
(9:1)
system
degraded
hemicellulose
(53.6%
conversion)
while
retaining
over
90%
for
AD.
Structural
analysis
DC
hydrogen
bonds,
reducing
crystallinity
index
(CrI
decreased
from
38.4%
to
32.6%)
increasing
accessibility
909
mg/g
(2.6
times
higher
than
untreated
CS).
efficient
obviously
improved
biodegradability
hemicellulose,
contributing
increase
biomethane
production.
Biomethane
yield
(BY)
E-Ni/CNT
18.1%
27.6%
E-HP
control
group,
respectively.
These
findings
indicated
ethanol-promoted
can
enhance
Язык: Английский