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Leaching of basic oxygen furnace sludge with sulphuric acid

By Zuzana Hoang Trung, František Kukurugya, Zita Takáčová, Dušan Oráč, Martina Laubertová, Andrea Miškufová and Tomáš Havlík


In this study the hydrometallurgical processing of BOF sludge in the sulphuric acid solutions under atmospheric pressure and temperatures up to 100 °C is investigated on a laboratory scale. The influence of sulphuric acid concentration, temperature, time and liquid to solid ratio (L:S) on the leaching process was studied. The main aim of this study was to determine optimal conditions when the maximum amount of zinc passes into the solution. Key words: basic oxygen furnace dust and sludge, hydrometallurgy, leaching, zinc, sulphuric aci

Year: 2011
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