All posts tagged: primary aluminum

Zero carbon emissions by 2050 is on the agenda of aluminum producers

Reducing greenhouse gas (GHG) emissions

Countries around the world have made an agreement to reduce GHG emissions in order to prevent global warming. In this agreement, the goal is to reduce GHG emissions without threatening food industry, in which achieving zero carbon emissions by 2050O is one of the main plans.

The highest amount of carbon emissions in the aluminum industry is related to electricity, power plants mainly use fossil fuels, which cause significant carbon emissions to the atmosphere. Rio Tinto’s aluminum sector released about 21.9Mt of carbon in 2021, down around 1% compared to the company’s greenhouse gas emissions in 2018. Alcoa’s carbon emission decreased by 23.9% in 2021 compared to 2015. Norsk Hydro recorded about 11.3Mt of carbon emissions in 2018.

ata_khaliliZero carbon emissions by 2050 is on the agenda of aluminum producers
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The downward trend of carbon emissions from primary aluminum from 2012 to 2021

A high share of coal in energy consumption

Carbon emissions per tonne of primary aluminum production have been decreasing from 2012 to 2021. After Paris Agreement in 2015, carbon emissions decreased by about 6.4% compared to last year. One of the reasons of this deduction in aluminum sector is the use of modern technology.

The largest share of carbon emission in the primary aluminum production process is allocated to electricity. The share of electricity in this process was about 64.5% in 2021. And the reason for this large share is used of sources like coal which emits significantly greenhouse gases.

ata_khaliliThe downward trend of carbon emissions from primary aluminum from 2012 to 2021
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