Sustainability,
Journal Year:
2024,
Volume and Issue:
16(15), P. 6642 - 6642
Published: Aug. 3, 2024
PM
(particulate
matter)
emissions
from
ships
are
the
main
sources
of
marine
atmosphere
pollution.
Controlling
particulate
matter
is
related
to
sustainable
development
shipping
industry.
To
reduce
four-stroke
diesel
engines,
DPFs
effective.
Our
results
show
that
DPF
had
more
than
90%
capturing
efficiency
for
both
number
and
mass
PM,
accumulation
mode
was
higher
nuclear
mode.
can
also
significantly
chemical
components
in
exhaust
gas.
The
removal
efficiencies
OC
EC
were
89.7–91.6%
84.8–92.8%,
respectively,
with
each
particle
size
range
showing
over
80%
efficiency.
SO42−
ion
highest
content,
followed
by
NH4+,
NO3−,
Na+,
NO2−,
Cl−,
their
reduced
proportions
remaining
consistent
matter.
effectively
PAH
content
toxicity.
use
greatly
improve
impact
ship
on
atmospheric
environment.
appropriate
best
performance
be
selected
according
parameters
distributions
different
characteristics.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(11), P. 9218 - 9261
Published: May 28, 2024
Although
diesel
after-treatment
techniques
demonstrate
a
substantial
decrease
in
tailpipe
emissions,
the
primary
goal
continues
to
be
attaining
nearly
zero
emissions
comply
with
current
regulatory
requirements
and
foreseeable
imminent
rigorous
regulations.
To
achieve
this
objective,
engine
combustion
systems
fuel
formulations
require
fine-tuning.
Taking
insights
from
recent
literature,
review
examines
various
processes,
including
homogeneous
situ
methods,
incorporation
of
fuel-borne
catalysts,
use
biofuels.
Despite
progress
in-cylinder
pollution
mitigation
like
low-temperature
combustion,
which
exhibits
reductions
oxides
nitrogen
(NOx)
soot
it
is
crucial
consistently
advance
technology
conform
evolving
emission
regulations
environmental
concerns.
A
discussion
presented
regarding
advantages
disadvantages
charge
compression
ignition
(HCCI)
mode
their
potential
for
future,
focusing
on
biodiesel-fueled
HCCI
engines.
The
assesses
effectiveness
thermal
management
strategies
design
modifications
that
extend
operational
range
engines
powered
by
biodiesel
light
inherent
limitation
restricted
operating
range.
critically
merits
demerits
biofuels
provides
an
essential
analysis
approaches.
With
imperative
focus,
aim
ascertain
modern
catalysts
designed
explicitly
contemporary
systems.
An
exhaustive
examination
made
oxidation
selective
catalytic
reduction
techniques,
lean
NOx
traps,
particulate
filters,
catalyst
regeneration
presented.
concluding
remarks
analyze
characteristics
necessary
smooth
technological
developments
