Slag is formed when hard coal is burned in dust boilers. Its main components are silicon, aluminium and iron compounds. Slag has a stabilized chemical composition and is safe for the environment.
Furnace slag applications:
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Ceramic industry: improves workability, prevents cracking, increases porosity
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Road construction: for the production of road bases, for road construction and hardening and construction of embankments
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Cement industry
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Underground mining techniques
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Land reclamation and levelling