ELECTROLYSIS EXPLAIN THE PROCESS OF ELECTROLYSIS AND ITS USES.
Steel production through electrolysis: impacts for electricity … · 2019. 11. 27. · 131, 176,...
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Steel production through electrolysis: impacts for electricity consumption Adam Rauwerdink VP, Business Development October 18, 2019
Transcript of Steel production through electrolysis: impacts for electricity … · 2019. 11. 27. · 131, 176,...
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Steel production through electrolysis: impacts for electricity consumption
Adam Rauwerdink
VP, Business Development
October 18, 2019
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A 3,000 year old formula
Iron Ore
Fe2O3
Iron
Fe
Carbon Dioxide
CO2
Carbon (Coal)
C
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Iron Age 1000 BC Digital Age 2019
>2 Gt CO2 per year
(8% of global emissions)
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Steel in 2018
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1,800 million tonnes
Aluminium is #2 at 64 million tonnes
70% 30%
Integrated Steel Mill (Iron ore new steel units)
Mini Mill (Scrap recycled steel units)
Source: World Steel Association
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Integrated steel mill: material flow
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Molten oxide electrolysis (MOE) is emissions free
Iron Ore
Fe2O3
Iron
Fe
Oxygen
O2
Electricity
e-
No carbon in the process = No CO2 emitted
Electricity decarbonization eliminates/reduces indirect emissions!
Molten Oxide Electrolysis (MOE)
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Changing the formula from coal to electricity
Iron Ore
Fe2O3
Iron
Fe
Oxygen
O2
Electricity
e-
Molten Oxide Electrolysis (MOE)
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Iron Ore
Fe2O3
Iron
Fe
Carbon Dioxide
CO2
Carbon (Coal)
C
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MOE is more energy efficient
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0
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2
3
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ENERGY TO PRODUCE ONE TONNE OF CRUDE STEEL
Integrated Steel Mill (Coke Oven > Blast Furnace > Basic Oxygen Furnace)
Molten Oxide Electrolysis
5.5 MWh COAL
4 MWh ELECTRICITY
Source: World Steel Association
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But the sheer volume (and energy) is immense
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1.2 Bt Integrated Steel production requires:
Today Nearly 1 Bt of Coal
(~15% of 2018 consumption)
100% MOE 4,800 TWh of Electricity
(~20% of 2018 consumption)
Source: World Steel Association
Aluminium production used 870 TWh
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Transportation will be demand far more electricity
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Fossil Fuel Retirement (TWh)
Electricity Growth (TWh)
Steel Production (100% MOE Adoption) 6,600 (Coal) 4,800
Transport (2° Scenario) 15,900 (Oil) 7,100
Transport (Beyond 2° Scenario) 22,900 (Oil) 10,200
TWh (2014 vs 2060)
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In US, LED savings could power all MOE steel
10 Boston Metal | 2019 Source: American Council for an Energy-Efficient Economy New Horizons for Energy Efficiency: Major Opportunities to Reach Higher Electricity Savings by 2030
26 Mt US Integrated Steel production 2017
MOE Production 104 TWh Electricity needed
ACEEE: US LED Lighting Electricity Savings (2030 vs 2019)
45 TWh Residential
56 TWh Commercial
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$0
$200
$400
$600
Lower cost and lower volatility
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Steel Raw Materials Cost
$ per tonne steel
Blast / Basic Oxygen
Furnace
Iron Ore
Coking Coal
Scrap
2004 2006 2008 2010 2012 2014 2016 2018
“Green” steel premium
equivalent to $30/t-CO2
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$0
$200
$400
$600
$0
$200
$400
$600
Lower cost and lower volatility
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Steel Raw Materials Cost
$ per tonne steel
“Green” steel premium
equivalent to $30/t-CO2
Blast / Basic Oxygen
Furnace
Iron Ore
Coking Coal
Scrap
2004 2006 2008 2010 2012 2014 2016 2018
$35/MWh
$15/MWh
$15-35/MWh Electricity (Typical for aluminum industry)
$15/MWh = 35% lower materials cost (2004-2018)
Molten Oxide
Electrolysis
Iron Ore
Electricity
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World-class partners
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Tavarua International
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Emissions free steel Lower commodity cost Industrial-scale modularity
Electrifying the largest industrial source of CO2 Competitive without a carbon tax Efficient allocation of capital
Metals made better
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