Industrial processes consume large quantities of fuel and electricity that ultimately produce heat, much of which is typically wasted to the atmosphere. Re-using of this waste energy within manufacturing process is the optimal solution. Within is a research project PITAGORAS co-funded by the European Commission framed into the “FP7 – Smart Cities program” a large scale pilot plant has been built and commissioned for production of electricity (ORC technology) and heat for central heating system of a town. This contribution describes the general economic evaluation of return on investment for similar technology within the steel industry in Czech Republic.Keywords: Metallurgy, waste heat, ORC technology, central heating system, economic model
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