IOP Conference Series Materials Science and Engineering,
Год журнала:
2024,
Номер
1301(1), С. 012118 - 012118
Опубликована: Май 1, 2024
Abstract
CO
2
liquefaction
is
significant
to
ensure
transport
safety
and
improve
efficiency.
Aiming
at
the
temperature
pressure
required
for
ship
transport,
this
paper
examines
four
schemes
including
compression
refrigeration
system,
Linde
Hampson
precooled
system
Claude
system.
The
thermodynamic
exergetic
ananlysis
models
are
established
primarily
total
power
consumption,
efficiency
as
well
exergy
of
systems
calculated
compared.
shows
best
performance
with
three
indicators
391.74
kJ/kg,
97.97
%
55.86
%,
respectively.
Additionally,
destruction
among
components
analyzed
maximum
stem
from
compressors.
Another
thing
note
that
proportion
Joule-Thomson
(J-T)
valves
19.38
2.63
Furthermore,
replacement
J-T
valve
by
a
liquid
expander
allowed
9.35
0.94
electric
saving
two
systems,
drop
before
after
directly
determines
effect
change.
research
results
could
provide
some
vital
reference
choosing
proper
methods
reducing
energy
consumption
during
process.
Process Safety and Environmental Protection,
Год журнала:
2024,
Номер
183, С. 555 - 567
Опубликована: Янв. 21, 2024
To
address
climate
change,
energy
security,
and
waste
management,
new
sustainable
sources
must
be
developed.
This
study
uses
Aspen
Plus
software
to
extract
bio-H2
from
food
with
the
goal
of
efficiency
environmental
sustainability.
Anaerobic
digestion,
optimised
operate
at
20–25
°C
keep
ammonia
3%,
greatly
boosted
biogas
production.
The
solvent
[Emim][FAP],
which
is
based
on
imidazolium,
had
excellent
performance
in
purifying
biogas.
It
achieved
a
high
level
methane
purity
while
consuming
minimal
amount
energy,
flow
rate
13.415
m³
/h.
Moreover,
utilization
higher
temperatures
(600–700
°C)
during
generation
phase
significantly
enhanced
both
quality
hydrogen
produced.
Parametric
sensitivity
assessments
were
methodically
performed
every
stage.
integrated
method
was
practicable
environmentally
friendly,
according
economic
assessment.
H2
using
steam
reforming
results
TCC
1.92
×
106
USD.
CO2
separation
step
has
costs
(TCC
2.15
×107
USD)
due
ionic
liquid
washing
liquefaction.
Compressor
electricity
consumption
impacts
total
operating
cost
(TOC),
totaling
4.73
108
showing
its
ability
reduce
greenhouse
gas
emissions,
optimize
resource
utilization,
promote
presents
solution
that
addresses
challenges.