Pregledni rad

CO₂ emissions in the steel industry

M. Kundak ; Faculty of Metallurgy, University of Zagreb, Sisak, Croatia
L. Lazić ; Faculty of Metallurgy, University of Zagreb, Sisak, Croatia
J. Črnko ; Faculty of Metallurgy, University of Zagreb, Sisak, Croatia

Sažetak

Global CO₂ emissions caused by the burning of fossil fuels over the past century are presented. Taking into consideration the total world production of more than 1,3 billion tons of steel, the steel industry produces over two billion tons of CO₂. Reductions in CO₂ emissions as a result of technological improvements and structural changes in steel production in industrialized countries during the past 40 years are described. Substantial further reductions in those emissions will not be possible using conventional technologies. Instead, a radical cutback may be achieved if, instead of carbon, hydrogen is used for direct iron ore reduction. The cost and the ensuing CO₂ generation in the production of hydrogen as a reducing agent from various sources are analysed.

Ključne riječi

metallurgy; steel industry; CO₂ emissions; direct iron ore reduction

Hrčak ID:

35476

URI

https://hrcak.srce.hr/35476

Datum izdavanja:

1.7.2009.

Podaci na drugim jezicima: hrvatski

Posjeta: 22.918 *