processing magnetite ore with pyrrhotite

Ore processing equipment Wet pan mill High frequency screen Three cylinder dryer Disk granulator Cement mill Rod mill Ceramic ball mill Rotary dryer High efficiency concentrator Spiral chute Trommel screen Shaking Table Mineral Mixer Floatation Machine Magnetic …

Significant portions of the total Fe in a magnetite deposit can be hosted in hematite or pyrrhotite and of course silicate minerals A Swedish iron oxide-apatite deposit explored by Nordic Iron Ore contains both magnetite and hematite Drill cores from this project were analysed with Minalyzer CS

Pyrrhotite is found with pentlandite in basic igneous rocks veins and metamorphic rocks It is also often found with pyrite marcasite and magnetite It has varying magnetic powers depending on the number of Fe vacancies in the crystal structure

Magnetite ore processing equipment is magnetite ore-dressing equipment researched and developed by our company to meet customers on limonite selection This series of equipment mainly includes magnetic separator flotation machine ball mill drying machine rotary kiln thickener linear vibrating screen jaw crusher Raymond mill conveyors

The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres S Kelebek 1 ABSTRACT flotation selectivity and recovery in the processing of complex sulphide magnetite and talc Pyrrhotite which typically represents 20 -25 per cent ofthe ore…

Heating Pyrrhotite at 320 degrees C will destroy its magnetism Heating in the presence of Oxygen no water will have the following reaction equation balanced 3FeS 5O2 = Fe3O4 3SO2 This is the process that used to be used at INCO in Sudbury Ontario Canada to convert FeS to Magnetite which was then pelletized and sold as Iron Ore

The ore processing plant is also called beneficiation plant It is a kind of production line for selecting many kinds of mineral ores Ore processing plant mainly has two processes the flotation separating process and the magnetic separation process

The reactivity number of Ore A magnetic pyrrhotite is similar to those reported by Becker et al 2010a whereas Ore B non-magnetic pyrrhotite is considerably higher than other pyrrhotite ores

Magnetite ore beneficiation process Conspectus of Mineral Processing Magnetite ore is the main mineral of iron ore beneficiation In domestic iron ore concentrate production it accounts for about 3 4 of magnetite concentrate below 3mm such as magite pyrrhotite calcined ore and ilmenite and can Get Price Magnetite Beneficiation Get Price

The contamination of sulfur emanating from pyrrhotite in magnetite concentrates has been a problem in iron ore processing This study utilized froth flotation to float pyrrhotite away from magnetite using collectors of xanthate and dixanthogen It was found that xanthate or dixanthogen alone could not achieve selective separation between pyrrhotite and magnetite in flotation

The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres S Kelebek 1 ABSTRACT flotation selectivity and recovery in the processing of complex sulphide magnetite and talc Pyrrhotite which typically represents 20 -25 per cent ofthe ore…

Magnetic separator is one kind of frequently used ore processing equipment which is mainly suitable for wet magnetic separation of magnetite pyrrhotite calcined ore ilmenite and other materials whose granularity is below 3mm Magnetic ore separator can also be applied to iron removal work of coal non-metal ores building materials and

Pyrrhotite is an iron sulfide mineral with the formula Fe 1-x S x = 0 to 0 2 It is a nonstoichiometric variant of FeS the mineral known as troilite Pyrrhotite is also called magnetic pyrite because the color is similar to pyrite and it is weakly magnetic The magnetism decreases as the iron content increases and troilite is non-magnetic

manganese ore magnetic separator 1 magnetic separator introduction The iron ore dry magnetic separator is a piece of mineral processing equipment used to recover ferromagnetic materials It is fit for processing fine feebly magnetic materials such as magnetite pyrrhotite ilmenite and other materials Live Chat Pyrrhotite - scientific

Abstract Pyrrhotite Po is one of the most abundant sulfide minerals in processing industry and must be rejected in most cases Particularly Po rejection and its selectivity against pentlandite Pn have long been a challenge due to similarities in the mineral composition of the two minerals and the collectorless flotation characteristics of Po

Figure 9 9 presents a typical flow sheet for processing a magnetite ore using a combination of drum LIMS and magnetic columns The ore is composed of magnetite and gangue minerals which are mainly quartz The Marcona Mine in Peru uses a reverse flotation process to float pyrrhotite from the magnetite

Heating Pyrrhotite at 320 degrees C will destroy its magnetism Heating in the presence of Oxygen no water will have the following reaction equation balanced 3FeS 5O2 = Fe3O4 3SO2 This is the process that used to be used at INCO in Sudbury Ontario Canada to convert FeS to Magnetite which was then pelletized and sold as Iron Ore

The presence of relatively moderate quantities of ferromagnetic pyrrhotite in magnetite ores considerably restricts their amenability to conventional magnetite processing techniques employing

The chemistry of pyrrhotite flotation using xanthate collectors is reviewed with respect to the processing of PGM ores and the recent results from captive bubble contact angle measurements at the University of Utah are presented Typically the PGM ore contains about 1 base metal sulfide minerals So next to magnetite the sulfur rich

Grinding in steel mills adversely affects the flotation removal of pyrrhotite from magnetite ores To elucidate the effect of grinding media on the floatability of pyrrhotite rest potential and short-circuit current measurements were made on electrode combinations of pvrrhotite-mild steel and pyrrhotite-stainless steel Galvanic contact of pyrrhotite with mild steel increased the rate of

Figure 9 9 presents a typical flow sheet for processing a magnetite ore using a combination of drum LIMS and magnetic columns The ore is composed of magnetite and gangue minerals which are mainly quartz The flow sheet uses two stages of grinding and magnetic separation to …

1 Introduction Pyrrhotite Fe 1− x S is one of the most common metal sulfide minerals occurring in both magnetic and non-magnetic forms Pyrrhotite often occurs in association with a variety of ore deposits including Ni Cu Pb Zn and platinum group element PGE

Magnetic Separator Beneficiation Equipment It is suitable for wet separating of materials with below 3mm particle size such as magnetite pyrrhotite roasted ore ilmenite Processing Materials magnetite limonite hematite manganese siderite ore ilmenite wolframite manganese ore iron ore kaolin 10-280t h Production Capacity 9 1-14

Pyrrhotite is unusual in that it maintains a variable iron content as reflected in its odd chemical formula The variability is formed by deficiencies of iron in its chemical structure which is also responsible for its magnetic properties Greater deficiency of iron is responsible for stronger attraction to magnetic fields If the mineral lacks any iron deficiencies it is no longer

Wet Magnetic Separation Equipment Iron Titanium Ore Processing Plant Magnetic Separator Machine is used to separate magnetite hematite limonite pyrrhotite ilmenite smaller than 3 mm in wet way It is also used to separate iron in coal nonmetallic ore construction industry etc

The contamination of sulfur emanating from pyrrhotite in magnetite concentrates has been a problem in iron ore processing This study utilized froth flotation to float pyrrhotite away from magnetite using collectors of xanthate and dixanthogen It was found that xanthate or dixanthogen alone could not achieve selective separation between pyrrhotite and magnetite in flotation

Pyrrhotite ore magnetic separator used in pyrite magnetic separation plant Pyrite pale yellow brass surface often with yellow brown tarnish Green black brown or black With strong metallic luster Opaque no cleavage jagged shape hardness is 6 - 6 5 the relative density is 4 9 - …

Pyrrhotite is an iron sulfide mineral with the formula Fe 1-x S x = 0 to 0 2 It is a nonstoichiometric variant of FeS the mineral known as troilite Pyrrhotite is also called magnetic pyrite because the color is similar to pyrite and it is weakly magnetic The magnetism decreases as the iron content increases and troilite is non-magnetic

CHAPTER 9 Sulfides of nickel copper and iron pentlandite pyrrhotite contamination process forces the composition of the crystallizing melt type pyrrhotite commonly in large part the magnetic monoclinic variety constitutes the principal ore mineral making up 80 or more of the ore

The European Journal of Mineral Processing and Environmental Protection Vol 3 No 3 1303-0868 2003 pp 353-361 Cyanidation of a pyrrhotite-bearing gold ore G Deschênes1 D Hall2 and M Fulton1 1 Mining and Mineral Sciences Laboratories CANMET Natural Resources Canada 555 Booth Street Ottawa Ontario K1A 0G1 Canada