In this work, thealkaline roasting and sulfuric acid leaching processes were employed to extract vanadium from the magnetite ore of Saghand mine in central Iran. The response surface methodology based on the central composite design model was applied to optimize the parameters involved in the processes. The studied roasting parameters were temperature (900-1100 °C), sodium carbonate percentage ...

introduction the lulak abad iron occurrence is located in the northwestern part of the central iran, 55 km west of zanjan. mineralization at the lulak abad area was originally identified by zamin gostar company (2007), during a geophysical exploration. the present paper provides an overview of the geological framework, the mineralization characteristics, and the results of a geochemical study o...

The most frequent crystallographic preferred orientations developed during the progressive phase transformation of magnetite-hematite-goethite are described and analyzed in two natural samples banded iron formations from Carajás Mineral Province. Microtextures martitized grains containing three phases microplaty matrix were a scanning electron microscope equipped with detector for backscatter d...

Massif-type mafic intrusions (gabbro and anorthosite) are known for their considerable resources of vanadium-bearing iron–titanium oxide ores. Massive-type gabbroic anorthosite rocks frequently associated with magmatic that have significant quantities iron, titanium, vanadium. The most promising host Fe-Ti ores the in south-eastern desert. ilmenite ore deposits hosted arc rocks. They classified...

Different samples have been prepared from different products in Chadormalu iron ore concentrator plant: Low intensity magnetite separators concentrate (magnetite concentrate), reverse flotation tail (final hematite concentrate), flotation concentrate (apatite concentrate), final tail (L.I.M.S. tail + reverse flotation concentrate+ apatite flotation tail). The samples were used for rare eart...