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Carbon dioxide emission during the production of magnesium binders based on dolomitized rocks

IOP Conference Series: Earth and Environmental Science, ISSN: 1755-1315, Vol: 1061, Issue: 1
2022
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Conference Paper Description

The article discusses the environmental efficiency of the production of magnesia binders based on mining waste using the technology of intensified firing process. The importance of the transition to technologies with reduced carbon dioxide emissions into the atmosphere is substantiated. The main devastating consequences caused by an excess of carbon dioxide are described from a global and local point of view. The calculation of carbon dioxide emissions due to thermal decomposition of charge carbonate minerals is given. The calculation of emissions of carbon dioxide, which is a product of combustion of fuel for the firing process, is given. The comparison of the carbon footprint of the technology of magnesium dolomite binders with the technology of Portland cement production was made. The process of release of gases from the charge during heat treatment has been studied, and the absence of release of gases containing chlorine from additives-intensifiers has been established. The conclusion about the relevance of the partial replacement of Portland cement with an alternative environmentally effective magnesium dolomite binder in the production of building materials is made.

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