Presently the iron and steel makers are compelled to incorporate rational initiatives to reduce its processing CO_2 total emissions.In the medium and long term,the injection of small particles of biochar through the t...Presently the iron and steel makers are compelled to incorporate rational initiatives to reduce its processing CO_2 total emissions.In the medium and long term,the injection of small particles of biochar through the tuyerees in blast furnaces,here called Bio-PCI,offers attractive features from the environmental and metallurgical point of view,as it is a renewable carbon neutral reductant and presents lesser impurities than coke.However,its utilization in iron plants is been hindered by the traditional large availability of relatively economical coal and coke.As the cost of the principal processing inputs increases(coal,coke and iron ore) the gap between fossil and renewable reductants decreases.In this sense,our contribution aims to complement the metallurgical inquiry of technical feasibility with a strategic identification of the areas with best prospects to benefits from the incorporation of Bio-PCI:where can it flourish?.Our analysis leads to indicate that emerging countries in specific,China,Brazil and India,are in a prime position to incorporate the Bio-PCI as they simultaneously comply with a growing iron industry based on blast furnaces,and possess an important potential for energy generation from forestry residues.展开更多
文摘Presently the iron and steel makers are compelled to incorporate rational initiatives to reduce its processing CO_2 total emissions.In the medium and long term,the injection of small particles of biochar through the tuyerees in blast furnaces,here called Bio-PCI,offers attractive features from the environmental and metallurgical point of view,as it is a renewable carbon neutral reductant and presents lesser impurities than coke.However,its utilization in iron plants is been hindered by the traditional large availability of relatively economical coal and coke.As the cost of the principal processing inputs increases(coal,coke and iron ore) the gap between fossil and renewable reductants decreases.In this sense,our contribution aims to complement the metallurgical inquiry of technical feasibility with a strategic identification of the areas with best prospects to benefits from the incorporation of Bio-PCI:where can it flourish?.Our analysis leads to indicate that emerging countries in specific,China,Brazil and India,are in a prime position to incorporate the Bio-PCI as they simultaneously comply with a growing iron industry based on blast furnaces,and possess an important potential for energy generation from forestry residues.