Improving Economic Efficiency of Heat Pump Integration Into Distillation Columns of Process Plants Applying Different Pressures of Evaporators and Condensers
Published: Feb. 5, 2024
The
electrification
of
process
industries
is
one
the
main
challenges
when
building
a
low-carbon
society
since
they
consume
huge
amounts
fossil
fuel
generating
different
emissions.
Heat
pumps
are
instruments
to
perform
industrial
sector
carbon-neutral
market
players.
This
paper
proposes
an
approach
improve
economic
feasibility
heat
within
plants.
Initial
energy
targeting
with
Grand
Composite
Curves
was
used
and
supplemented
detailed
design
evaporator
compressor
for
condensation
evaporation
pressures.
trade-off
between
capital
cost
pump
electricity
investigated
optimal
configurations
were
selected.
case
study
investigates
gas
fractioning
unit
polymer
plant
where
three
integrated
into
distillation
columns.
results
demonstrated
that
recovery
174
MW
requires
additional
37.9
reduce
hot
utility
by
212
MW.
selection
pressure
allows
saving
21.5
M€/y
7
years
operation.
Language: Английский
A Technological Update on Heat Pumps for Industrial Applications
Energies,
Journal Year:
2024,
Volume and Issue:
17(19), P. 4942 - 4942
Published: Oct. 2, 2024
It
is
now
widely
confirmed
by
scientific
evidence
that
greenhouse
gas
emissions
must
be
reduced
to
counteract
the
effects
of
global
warming.
The
production
heat
for
industrial
purposes
responsible
36.8%
world
energy-related
due
widespread
use
fossil
fuels.
Heat
pumps
are
a
key
technology
in
transition
towards
more
sustainable
processes.
In
this
paper,
systematic
review
literature
produced
last
5
years
international
journals
regarding
integration
processes
presented.
Firstly,
papers
presenting
innovative
configurations
high
temperature
(HTHP),
i.e.,
delivering
temperatures
range
between
100
°C
and
200
°C,
suitable
many
but
still
under
development,
reviewed.
Then,
reporting
solutions
specific
sectors
(e.g.,
distillation,
drying,
desalination,
etc.)
analyzed.
Finally,
about
alternative
low-GWP
refrigerants
pumps,
both
pure
compounds
mixtures,
described.
concluded
progresses
have
been
realized
(2020–2024)
identification
applications,
further
research
certainly
required.
Language: Английский