iScience,
Journal Year:
2024,
Volume and Issue:
28(1), P. 111588 - 111588
Published: Dec. 12, 2024
Analyzing
the
uniformity
of
ammonia
distribution
at
inlet
selective
catalytic
reduction
reactors
is
crucial
for
enhancing
denitrification
efficiency.
To
minimize
slip
while
ensuring
effective
denitrification,
this
study
examines
flow
characteristics
in
SCR
system
under
various
zoning
schemes.
In
scheme
I,
zones
A1,
A2,
A3,
and
A4
predominantly
influence
left,
center,
center-right,
far-right
regions
reactor
inlet.
As
velocity
increases
from
4
m/s
to
12
m/s,
concentration
significantly
increases,
with
Zone
A4's
peak
rising
0.0099
mol/m³
0.03
mol/m³.
Similarly,
increasing
spraying
1%
9%
enlarges
affected
regions,
particularly
where
impacted
area
expands
1/3
1/2.
Scheme
II
demonstrates
a
broader
more
uniform
distribution,
which
reduces
localized
concentrations
but
compromises
precision
specific
regions.
This
significant
importance
reducing
nitrogen
oxide
emissions
coal-fired
power
plants.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Abstract
Nanostructured
metal
sulfides
(MSs)
are
considered
as
prospective
anodes
for
Li
ion
batteries
(LIBs)
due
to
their
high
specific
capacity
and
abundant
raw
materials
on
Earth.
Nerveless,
the
poor
conductivity
volume
expansion
hinder
application.
Here,
we
report
design
of
carbon
coated
indium
nanotubes,
where
MIL-68
(In)
metal-organic
frameworks
(MOF)
a
precursor
generate
In2S3/carbon
(In2S3/C)
through
solvothermal
process.
The
construction
amorphous/crystalline
structure
not
only
combines
advantages
channels
amorphous
structure,
but
also
has
crystal
promotes
transport.
In2S3/C
anode
LIBs
exhibits
excellent
performance
835
mAh·g−
1
at
current
density
0.5
A·g−
after
500
cycles.
shows
outstanding
long-term
with
717
2
1.
Through
kinetic
analysis
ex
situ
XPS
analysis,
lithium
storage
mechanism
is
realized.
Further
functional
theory
(DFT)
calculations
indicate
that
electrodes
have
low
adsorption
energies
fast
diffusion
kinetics.
In
word,
MOF-derived
better
electrochemical
performances
than
commercial
In2S3.
This
research
will
inspire
exploration
MSs
well
detect
potential
“diamonds
in
rough”.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 27, 2024
Abstract
Microbial
bioaugmentation
of
coal
is
considered
as
a
viable
and
ecologically
sustainable
approach
for
the
utilization
low-rank
coals
(LRC).
The
search
novel
techniques
to
derive
high-value
products
from
LRC
currently
great
importance.
In
response
this
demand,
endeavors
have
been
undertaken
develop
microbially
based
solubilization
degradation
techniques.
impact
supplementing
activated
sludge
(AS)
microbial
augmentation
enhance
biodegradation
was
investigated
in
study.
their
were
characterized
using
following
methods:
excitation-emission
Matrices
detected
fluorophores
at
specific
wavelength
positions
(O,
E,
K
peaks),
revealing
presence
organic
complexes
with
humic
properties.
FTIR
indicated
increased
amount
carboxyl
groups
bioaugmented
coals,
likely
due
aerobic
oxidation
peripheral
non-aromatic
structural
components
coal.
bacterial
communities
samples
are
primarily
composed
Actinobacteria
(up
36.2%)
Proteobacteria
25.8%),
whereas
Firmicutes
(63.04%)
most
abundant
phylum
AS.
community-level
physiological
profile
analysis
showed
that
community
AS
had
high
metabolic
activity
compared
those
Overall,
results
demonstrated
successful
stimulation
transformation
through
supplementation
exogenous
microflora
form
