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.
Energies,
Journal Year:
2024,
Volume and Issue:
17(19), P. 4880 - 4880
Published: Sept. 28, 2024
The
worldwide
population
growth
and
its
increasing
affluence
have
led
to
an
increase
in
global
building
energy
consumption.
Therefore,
developing
sustainable
storage
materials
mitigate
this
problem
has
become
a
high
priority
for
many
researchers.
Organic
phase
change
(PCMs),
such
as
fatty
acids,
been
extensively
studied
thermal
applications
due
their
excellent
performance
absorbing
releasing
within
the
environment
temperature
ranges.
However,
issues
related
conductivity,
stability,
flammability
could
limit
potential
require
addressing.
In
review,
organic
PCMs,
with
special
focus
on
are
discussed.
This
review
covers
recent
studies
PCM
synthesis
from
bio-sources,
methods
incorporation
materials,
enhancing
properties,
challenges,
life
cycle
assessment.
Finally,
future
opportunities
summarized.
