Enhancement of Pyro-Hydrometallurgical Technology of Dephosphorization of Brown Iron Ore of the Lisakovsk Field by Hot Leaching Method

Зайнуллин, Л. А.; Karelin, V. G.; Epishin, A. Yu.; Artov, D. A.

doi:10.1007/s11015-020-01022-8

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2021

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“…phosphorus and alkaline elements. The conventional methods of beneficiation cannot effectively remove phosphorus from the ore [7][8][9][10][11]. The well-known deposits of Waban in Newfoundland (Canada), the Silurian Clinton Group of the Central and Southern Appalachians (USA), the Lorraine basin (France, Germany, Belgium and Luxemburg), etc.…”

Section: Introductionmentioning

confidence: 99%

Metallization of Oolitic Iron Ore after Oxidation Firing

Сулеймен

Салихов

2021

SSP

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Firing and metallization of brown iron ore from the Ayat deposit were investigated in present research. In order to remove carbon dioxide, carbonates, hydrated moisture and sulfur from the ore and convert goethite to hematite the oxidation firing was carried out in a Nabertherm muffle furnace at temperature of 900 ° C for 10 minutes. The effect of reduction of temperature was studied, by CO gas at 800, 900, 1000, 1050 ° C, for 3hours reduction time. The chemical composition of the initial and fired ore, as well as magnetic and non-magnetic parts of the reduced samples were studied by using an electron microscope. It was observed that at temperature of 800 ° C iron and phosphorus were not reduced. The metallized material with a low phosphorus content (0.1at%) was obtained at temperature of 1050 ° C.

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Section: Introductionmentioning

confidence: 99%