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Heating and cooling is responsible for almost 50% of the final energy demand in Europe. One of the most developed combined heat, power and cooling (CHPC) systems in the world exists in Helsinki, Finland, operated by Helen Ltd. As one option for significant reductions in direct CO2 emissions from Helen's fleet, this paper presents case studies for different options regarding a multifuel CHP plant planned...
This article is part II of the series of two papers regarding the application of oxygen blast furnace (OBF) in Ruukki Metals Ltd.’s existing steel mill, located in city of Raahe, Finland. The economic assessment presented in this paper is based on the technical modelling presented in part I of the study. OBF with CCS would lead to large reductions in CO2 emissions but also OBF without CCS would decrease...
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