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Mechanical Engineering, Engineering and Natural Sciences, Osmaniye Korkut Ata University , Osmaniye , Turkey
Aluminum dross contains high amount of metallic Al (up to %60 wt. Al) and regarded as a waste in aluminum casting operations. High metallic value in Al dross can be utilized via recycling procedure. In this study, Al dross was used in aluminothermic ferrochromium production with chromite ore and mill scale. Enthalpy, Gibbs Free Energy and Entropy of reactions calculated via HSC software. Propane-Butane heated furnace was used in the study. Experimental procedure was carried out in a graphite crucible. Effects of stochiometric ratio of Al and mixing was evaluated in metallization of chromite and mill scale. Results of experimental studies were examined by XRD and SEM/EDS techniques. Results showed that metallization had occurred very limited and further investigations to increase efficiency is mandatory to obtain a fully developed process.
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