In the blast furnace, it is so hot that carbon monoxide ... impurities in the haematite, to produce slag – which is calcium silicate. This is separated from the iron and used to make road ...

The last blast furnace at one of the biggest steelworks ... materials we put in the top of the furnace – to make sure the ...

SAMPYO Cement showcases eco-friendly BLUEMENT technology for carbon-neutral construction SAMPYO Cement reveals innovative solutions for sustainable construction practices.