PROCESS FOR TREATING AQUEOUS LATERITIC-ORE PULPS IN PRESSURIZED ACID TECHNOLOGY
This invention is related to non ferrous hydrometallurgy and in particular, with the thickening of the aqueous pulps of lateritic minerals through the pressure acid technology. To increase the % solids and productivity in the thickeners of the plants in operation, a new procedure has been developed....
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| creator | JOSE CASTELLANOS SUARES, J ESTEBAN LUIS ALFONSO OLMO, E AIDA ALVAREZ ALONSO, A MARIA DE FATIMA BUGALLO DAVIS, F |
| description | This invention is related to non ferrous hydrometallurgy and in particular, with the thickening of the aqueous pulps of lateritic minerals through the pressure acid technology. To increase the % solids and productivity in the thickeners of the plants in operation, a new procedure has been developed. The essence of the invention is the addition of metal salts (0.1 and 10.0kg/t of mineral) in acid media (0.1-10.0kg/t) to the raw feeding pulps, which in the adequate quantities, produces an increase in solid concentrations from 1-5%, as well as a diminish of viscosity in more than a 40% of the thickened pulps, with an increase in productivity between 20 and 80% according to the kind of mineral, keeping a high % solids. The metal salts are iron and aluminium, in presence of acid. |
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To increase the % solids and productivity in the thickeners of the plants in operation, a new procedure has been developed. The essence of the invention is the addition of metal salts (0.1 and 10.0kg/t of mineral) in acid media (0.1-10.0kg/t) to the raw feeding pulps, which in the adequate quantities, produces an increase in solid concentrations from 1-5%, as well as a diminish of viscosity in more than a 40% of the thickened pulps, with an increase in productivity between 20 and 80% according to the kind of mineral, keeping a high % solids. 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| language | eng ; fre ; ger |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | PROCESS FOR TREATING AQUEOUS LATERITIC-ORE PULPS IN PRESSURIZED ACID TECHNOLOGY |
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