Pressure is being put on the steel- making industry so that their contributions towards environmental impact can be curbed therefore, contributing to the Paris climate accord of capping global warming at1.5 degrees Celsius.
- According to the World Steel Association data, in 2020 every metric ton of sword that was produced emitted nearly double the amount of carbon dioxide into the planet’s atmosphere.
- In 2020, the total direct emissions from steel stood at2.6 billion tons of global CO2 emissions.
Emission from steel production in Sweden
Sweden’s steel mammoth SSAB accounts for 10 percent of the country’s emissions due to the numerous furnaces that the company operates across the country.
Hydrogen Breakthrough Ironmaking Technology (HYBRIT) is a joint venture that was launched in 2016 between LKAB, a mining company, SSAB, and Vattenfall, a Swedish state- owned power firm. This joint venture was done with the aim of implementing green energy in the steel industry, therefore manufacturing green sword.
About the HYBRIT process
The HYBRIT process has the objective of replacing the coking coal that has been generally used for ore- based sword making with renewable electricity and hydrogen. The process starts with iron ore pellets which are brown- tinged and react to the hydrogen gas and are reduced to sponge iron that’s ball- shaped. This name has been given as pores are left behind after the oxygen is removed. Also in an electric furnace, it’smelted.However, also the whole process produces zero CO2, If renewable energy has been used to produce hydrogen. Therefore, it decreases the production of CO2 that’s produced while making steel from iron ore.
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