Applied Energy,
Journal Year:
2024,
Volume and Issue:
361, P. 122902 - 122902
Published: Feb. 29, 2024
The
transition
of
the
European
iron
and
steel
industry
(ISI)
towards
low-carbon
manufacturing
is
crucial
for
Union
(EU)'s
2050
climate
neutrality
objective.
One
emerging
solution
electrification
by
using
hydrogen
(H2)
as
ore
reductant,
which
increases
specific
electricity
use
per
tonne
up
to
35
times
compared
conventional,
most
adopted
coal-based
technology.
This
study
develops
three
scenarios,
encompassing
a
moderate
an
accelerated
ISI
transition,
evaluate
impact
decarbonisation
on
power
system
CO2
emissions,
generation
mix
volume,
marginal
prices
in
2030.
first
estimates
future
H2
demand
considering
country-specific
technologies
deployment
energy
intensities.
Then,
these
serves
input
model
METIS
simulate
operations
through
unit
commitment
economic
dispatch
problem.
shows
that
can
accommodate
substitutes
28%
production
with
low
carbon
technologies,
mainly
based
H2.
leads
25%
reduction
direct
emissions
increase
20
TWh
40
TWhHHV
Furthermore,
50%
indirect
achieved,
2018,
thanks
substantial
renewable
capacity
foreseen
coming
years.
also
demonstrates
over
85%
be
achieved
deploying
1.2
2.7
GW
generators,
200
400
MW
electrolyser
each
million
produced
annually
technologies.
Additional
ensures
green
key
maintaining
stable
prices.
Technological Forecasting and Social Change,
Journal Year:
2023,
Volume and Issue:
188, P. 122332 - 122332
Published: Jan. 16, 2023
Industry
is
frequently
framed
as
hard-to-decarbonize
given
its
diversity
of
requirements,
technologies,
and
supply
chains,
many
which
are
unique
to
particular
sectors.
Net
zero
commitments
since
2019
have
begun
challenge
the
carbon
intensity
these
various
industries,
but
progress
has
been
slow
globally.
Against
this
backdrop,
United
Kingdom
emerged
a
leader
in
industrial
decarbonization
efforts.
Their
approach
based
on
clusters,
cut
across
engineering,
spatial,
socio-political
dimensions.
Two
largest
clusters
England
terms
emissions
Humber
Merseyside.
In
paper,
drawn
from
rich
mixed
methods
original
dataset
involving
expert
interviews
(N
=
46
respondents),
site
visits
20),
review
project
documents
academic
literature,
we
explore
ongoing
efforts
decarbonize
both
Merseyside
through
lens
spatially
expansive
technically
complex
megaprojects.
Both
aggressive
implementation
plans
place
for
deployment
net-zero
infrastructure,
with
Zero
Carbon
seeking
billions
investment
build
country's
first
large-scale
bioenergy
capture
storage
(BECCS)
plant
alongside
transport
network
hydrogen
production
HyNet
green
blue
facilities
along
near
Manchester
Liverpool.
We
draw
social
construction
technology
(SCOT)
literature
examine
relevant
groups,
interpretive
flexibility,
patterns
closure
associated
HyNet.
connect
our
findings
eight
frames
surrounding
collective
projects,
make
connections
problems,
contestation,
closure.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(26), P. 9882 - 9896
Published: June 17, 2024
Ammonia
is
a
promising
alternative
hydrogen
carrier
that
can
be
utilized
for
the
solid-state
reduction
of
iron
oxides
sustainable
ironmaking
due
to
its
easy
transportation
and
high
energy
density.
The
main
challenge
utilization
on
an
industrial
scale
understand
reaction
kinetics
under
different
process
conditions
associated
nitrogen
incorporation
in
reduced
material
originates
from
ammonia
decomposition.
In
this
work,
effect
temperature
efficiency
nitride
formation
investigated
through
phase,
local
chemistry,
gas
evolution
analysis.
effects
inherent
reactions
diffusion
phase
chemistry
are
discussed
relation
temperature.
work
also
discusses
into
both
spontaneous
in-process
nitriding,
which
fundamentally
affects
structure
material.
Finally,
reoxidation
tendency
ammonia-based
compared
with
hydrogen-based
counterpart.
results
provide
fundamental
understanding
nitriding
exposed
at
temperatures
500
800
°C,
serving
as
basis
exploitation
upscaling
direct
future
green
steel
production.
Applied Energy,
Journal Year:
2024,
Volume and Issue:
361, P. 122902 - 122902
Published: Feb. 29, 2024
The
transition
of
the
European
iron
and
steel
industry
(ISI)
towards
low-carbon
manufacturing
is
crucial
for
Union
(EU)'s
2050
climate
neutrality
objective.
One
emerging
solution
electrification
by
using
hydrogen
(H2)
as
ore
reductant,
which
increases
specific
electricity
use
per
tonne
up
to
35
times
compared
conventional,
most
adopted
coal-based
technology.
This
study
develops
three
scenarios,
encompassing
a
moderate
an
accelerated
ISI
transition,
evaluate
impact
decarbonisation
on
power
system
CO2
emissions,
generation
mix
volume,
marginal
prices
in
2030.
first
estimates
future
H2
demand
considering
country-specific
technologies
deployment
energy
intensities.
Then,
these
serves
input
model
METIS
simulate
operations
through
unit
commitment
economic
dispatch
problem.
shows
that
can
accommodate
substitutes
28%
production
with
low
carbon
technologies,
mainly
based
H2.
leads
25%
reduction
direct
emissions
increase
20
TWh
40
TWhHHV
Furthermore,
50%
indirect
achieved,
2018,
thanks
substantial
renewable
capacity
foreseen
coming
years.
also
demonstrates
over
85%
be
achieved
deploying
1.2
2.7
GW
generators,
200
400
MW
electrolyser
each
million
produced
annually
technologies.
Additional
ensures
green
key
maintaining
stable
prices.