2024
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Invention
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Process for the production of high-purity alumina (hpa). The present invention relates to a proce... |
2023
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Invention
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Process for the treatment of residues of the alumina refining industry, obtaining valorizable pro... |
2022
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Invention
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Method for the treatment of residues from the zinc and lead production industry, with obtainment ... |
2021
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Invention
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Process for the simultaneous treatment of residues of the non-ferrous metallurgical industry to p... |
2017
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Invention
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Process for the preparation of a concentrate of metals, rare metals and rare earth metals from re... |
2016
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Invention
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A method for producing a concentrate containing metals, rare metals and rare earth metals from re... |
2014
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Invention
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Process for the extraction, from bauxite, from red mud resulting from the processing of bauxite, ... |
|
Invention
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Process for extraction of sulphur and metals, in oxide form, usable in the waeltz process, from m... |
2012
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Invention
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Process and reactor for the plasmogenic extraction of alumina and by-products from bauxite. A pro... |
2011
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Invention
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Process and reactor for the plasma transformation of powdery by-products of bauxite processing in... |
2002
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Invention
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Method for purifying solutions containing cyanides, nitriles and nitrogen-compounds. Method for t... |