🤓visit to @thyssenkrupp_en in #duisburg: this massive german conglomerate produces 12 million tonnes of steel annually & has committed to an net-zero emissions by 2050.
no mean feat given they currently emit ~20mt CO₂ annually.
they're serious about finding solutions…
no mean feat given they currently emit ~20mt CO₂ annually.
they're serious about finding solutions…
coal has two major roles in steel production — as a source of heat and as a reductant.
in the first phase of the trial H₂ is used in one of the "tuyeres" (heat injection points) substituting coal.
in 2021 they expect to test H₂ in all 28 tuyeres of a blast furnace.
in the first phase of the trial H₂ is used in one of the "tuyeres" (heat injection points) substituting coal.
in 2021 they expect to test H₂ in all 28 tuyeres of a blast furnace.
approach is classified as "carbon direct avoidance", simply reducing the CO₂ emitted.
@thyssenkrupp_en believes full decarbonisation will likely rely on a different process — direct reduction of iron, using H₂, finished with electric arc furnaces.
design work is commencing.
@thyssenkrupp_en believes full decarbonisation will likely rely on a different process — direct reduction of iron, using H₂, finished with electric arc furnaces.
design work is commencing.
@thyssenkrupp_en if steel making was a country, it'd be the 4th biggest CO₂ emitter — decarbonising steel is a very important global challenge.
one thing stuck out to me: australia has immense reserves of iron ore *and* almost boundless opportunity to produce the world's lowest cost hydrogen.
one thing stuck out to me: australia has immense reserves of iron ore *and* almost boundless opportunity to produce the world's lowest cost hydrogen.
