Home > separation of pyrite and pyrrhotite from iron ore

separation of pyrite and pyrrhotite from iron ore

    The process of realizing iron ore beneficiation ...

    2.Desulfurization by reverse flotation of iron ore. Sulfur as harmful impurities in iron ore generally exists in the form of pyrite and pyrrhotite. The sulfur in the form of pyrite can be removed by xanthate flotation or magnetic separation, and in the form of pyrrhotite.

    More

    (PDF) The pyrite-pyrrhotite transformation as an ore ...

    The Cuyuna sulfide deposit is located in south central Aitkin County in an outlying area of the Cuyuna Iron Range, Minnesota. The principal ore minerals are pyrrhotite and pyrite, whereas ...

    More

    Pyrrhotite - an overview ScienceDirect Topics

    G.W. Heyes, in Iron Ore, 2015. 11.3.2.3 Sulfur removal. Magnetite ores often contain sulfide minerals including pyrrhotite and pyrite. Most sulfide minerals are nonmagnetic and can be rejected by magnetic separation. Monoclinic pyrrhotite, however, in contrast to hexagonal pyrrhotite, is magnetic and is recovered in magnetic concentrates.

    More

    US2342277A - Separation of pyrite, arsenopyrite, and ...

    US2342277A US474491A US47449143A US2342277A US 2342277 A US2342277 A US 2342277A US 474491 A US474491 A US 474491A US 47449143 A US47449143 A US 47449143A US 2342277 A US2342277 A US 2342277A Authority US United States Prior art keywords arsenopyrite pyrite flotation pyrrhotite permanganate Prior art date 1943-02-02

    More

    (PDF) FLOTATION OF PYRRHOTITE FROM MAGNETITE ORES – A ...

    Gol-e-Gohar iron complex, one the largest iron concentrate producer, is located in the Kerman Province in Iran. The ore suffers from elevated S and P content equal to 0.5% S and 0.08% P ...

    More

    Pyrrhotite - an overview ScienceDirect Topics

    Pyrrhotite (Fig. 1.11) is an unusual iron sulfide with variable iron content [Fe (1−x) S (x=0–0.2)].The color ranges between bronze yellow and copper-red with black streak and metallic luster. The hardness varies between 3.5 and 4.5 on the Mohs scale and an

    More

    Pyrrhotite - Wikipedia

    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. [page needed]

    More

    Pyrrhotite: The mineral pyrrhotite information and pictures

    Pyrrhotite is commonly pseudomorphed by Pyrite, with complete replacement of the Pyrhottite by sparkling Pyrite crystals. Pyrrhotite is named from the Greek word pyrrhos, which means "color of fire".This is despite the fact that the usual color of Pyrrhotite is a bronze color rather than red; however its tarnish may have hints of sparkling red.

    More

    The Difference between Pyrite and Pyrrhoite - DISCOVER ...

    Feb 10, 2014  Pyrite is a constant FeS2 (one atom of iron and 2 atoms of sulfur). Pyrrhotite’s chemical composition is: Fe(1-x)S (x=0-0.17) Please don’t ask me to expound on that. Pyrrhotite is sometimes referred to as magnetic pyrite because the color is similar to pyrite and it has some magnetic properties.

    More

    Pyrrhotite - an overview ScienceDirect Topics

    G.W. Heyes, in Iron Ore, 2015. 11.3.2.3 Sulfur removal. Magnetite ores often contain sulfide minerals including pyrrhotite and pyrite. Most sulfide minerals are nonmagnetic and can be rejected by magnetic separation. Monoclinic pyrrhotite, however, in contrast to hexagonal pyrrhotite, is magnetic and is recovered in magnetic concentrates.

    More

    US2342277A - Separation of pyrite, arsenopyrite, and ...

    US2342277A US474491A US47449143A US2342277A US 2342277 A US2342277 A US 2342277A US 474491 A US474491 A US 474491A US 47449143 A US47449143 A US 47449143A US 2342277 A US2342277 A US 2342277A Authority US United States Prior art keywords arsenopyrite pyrite flotation pyrrhotite permanganate Prior art date 1943-02-02

    More

    Separation Technological Research on a Copper-pyrite-iron ...

    Separation Technological Research on a Copper-pyrite-iron Ore Containing Chalmersite and Monoclinic Pyrrhotite (Vol. 36, No. 1, 2016) TEXT SIZE: A A A XIAO Jun 1 , CHEN Dai-xiong 1,2 , QI Zhong-xu 1 , ZENG Hui-ming 1

    More

    Recycling of iron from red mud by magnetic separation ...

    Jul 20, 2014  A recycling process of iron from red mud by magnetic separation is proposed, in which iron oxide (Fe 2 O 3) in red mud transforms to magnetite (Fe 3 O 4) by anaerobic co-roasting with pyrite (FeS 2).TG-DTA and XRD results showed that hematite was reduced to magnetite by the thermo-decomposed compounds (iron monosulfide, pyrrhotite and element sulfur) of pyrite.

    More

    Separation Process of Chalcopyrite, Galenite, Sphalerite ...

    1. The Separation of Chalcopyrite and Pyrite. Method. It depends on the ore property, including the following two methods: 1.1 Preferential Flotation: This method is suitable for dense lump ores. Under relatively coarse fineness, chalcopyrite and pyrite can be fully dissociated, and separated. Separation Turn: chalcopyrite first, pyrite second.

    More

    Effect of microwave heating on magnetic separation of pyrite

    Experimental results revealed that the highest content of iron (3.70%) in kaolin ore was in the particle size range from 60 to 74 μm, and pyrite was the main occurrence of iron in the kaolin ore.

    More

    Pyrrhotite: Mineral information, data and localities.

    Iron ore ⓘ Iron sulfide ore ... Campbell, F.A., Ethier, V.G. (1984) Nickel and cobalt in pyrrhotite and pyrite from the Faro and Sullivan orebodies. The Canadian Mineralogist: 22: 503-506. ... Farrell, S.P., Fleet, M.E. (2002) Phase separation in (Fe,Co)1-xS monosulfide solid-solution below 450°C, with consequences for coexisting pyrrhotite ...

    More

    Influence of Hydrofluoric Acid Leaching and Roasting on ...

    and sedimentary rocks, pyrite (FeS2) coexists with some valuable minerals and metals, such as gold, copper, zinc, and nickel [7,8]. After ore beneficiation and separation of gangue minerals from ore body, a considerable amount of pyrite can be produced and transferred to the tailings ponds disposal [2,9].

    More

    Pyrite - Wikipedia

    Pyrite's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold.The color has also led to the nicknames brass, brazzle, and Brazil, primarily used to refer to pyrite found in coal.. The name pyrite is derived from the Greek πυρίτης λίθος (pyritēs lithos), "stone or mineral which strikes fire", in turn from ...

    More

    Difference Between Pyrite and Chalcopyrite Compare the ...

    Mar 29, 2016  Pyrite: Pyrite has the chemical formula FeS 2, and it is an iron sulfide mineral. Chalcopyrite: The chemical formula of chalcopyrite is CuFeS 2. It is a copper iron sulfide mineral which has a greater economic value since it is the most important copper ore on Earth. Extent of Oxidization of Pyrite and Chalcopyrite:

    More

    The Desulfurization of Magnetite Ore by Flotation with a ...

    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.

    More

    pyrrhotite vs pyrite Disfruta Carolina

    It is easy to separate pyrite and pyrrhotite because pyrrhotite is magnetic, is much softer, and if Pyrrhotite is an iron sulfide mineral with the formula Fe(1-x)S (x = 0 to 0.2). Pyrrhotite. Pyrite is often called "Fool's Gold", but after reading this article you will understand how to avoid being a fool. Fracture Gold vs Pyrite.

    More

    Mineral processing - Concentration Britannica

    With good results, strongly magnetic minerals such as magnetite, franklinite, and pyrrhotite can be removed from gangue minerals by low-intensity magnetic separators. High-intensity devices can separate oxide iron ores such as limonite and siderite as well as iron-bearing manganese, titanium, and tungsten ores and iron-bearing silicates.

    More

    US2872294A - Production of sulfur from pyrites - Google ...

    US2872294A US288192A US28819252A US2872294A US 2872294 A US2872294 A US 2872294A US 288192 A US288192 A US 288192A US 28819252 A US28819252 A US 28819252A US 2872294 A US2872294 A US 2872294A Authority US United States Prior art keywords sulfur bed cinder pyrites combustion Prior art date 1952-05-16 Legal status (The

    More

    Separation Technological Research on a Copper-pyrite-iron ...

    Separation Technological Research on a Copper-pyrite-iron Ore Containing Chalmersite and Monoclinic Pyrrhotite (Vol. 36, No. 1, 2016) TEXT SIZE: A A A XIAO Jun 1 , CHEN Dai-xiong 1,2 , QI Zhong-xu 1 , ZENG Hui-ming 1

    More

    Iron Sulfide, Iron Pyrite processing into its constituents ...

    Pyrite, mineral form of FeS2 is largely Ferrous Sulphide or Iron Sulfide Ferrous Sulphide or Iron Sulfide is in the form Sticks, Lumps and Powder It exists in several distinct forms such as Pyrrhotite , Troilite, Mackinawite

    More

    Pyrrhotite: Physical properties, uses, composition

    Some pyrrhotite contains as much as 5% nickel by weight. That can be enough for the pyrrhotite to be mined as an ore of nickel. [1] Pyrrhotite has been a historic source of iron and sulfur. However, the iron extracted was contaminated with sulfur - which made the iron unsuitable for use. Sulfur is no longer made from pyrrhotite because it is ...

    More

    Pyrrhotite Processing - BCC di Valledolmo

    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.

    More

    Pyrrhotite: Mineral information, data and localities.

    Iron ore ⓘ Iron sulfide ore ... Campbell, F.A., Ethier, V.G. (1984) Nickel and cobalt in pyrrhotite and pyrite from the Faro and Sullivan orebodies. The Canadian Mineralogist: 22: 503-506. ... Farrell, S.P., Fleet, M.E. (2002) Phase separation in (Fe,Co)1-xS monosulfide solid-solution below 450°C, with consequences for coexisting pyrrhotite ...

    More

    Separation Process of Chalcopyrite, Galenite, Sphalerite ...

    1. The Separation of Chalcopyrite and Pyrite Method It depends on the ore property, including the following two methods: 1.1 Preferential Flotation: This method is suitable for dense lump ores. Under relatively coarse fineness, chalcopyrite and pyrite can be fully dissociated, and separated. Separation Turn: chalcopyrite first, pyrite second.

    More

    Pyrite Mining Processing Equipment Flow Chart Cases ...

    Commonly called fool’s gold, pyrite is the Earth’s most abundant sulfide mineral. Recognized for its brass-yellow color which resembles that of gold, pyrite is a source of iron and sulfur and is used for the production of sulfuric acid. Some types of pyrite contain enough microscopic gold to warrant mining them as a gold ore. Pyrite Uses

    More

    pyrite Properties Facts Britannica

    Pyrite, a naturally occurring iron disulfide mineral. The name comes from the Greek word pyr, ‘fire,’ because pyrite emits sparks when struck by metal. Pyrite is called fool’s gold; to the novice its color is deceptively similar to that of a gold nugget.

    More

    micromill steel oxidation of pyrite in coal to magnetite

    pyrite magnetic separation lifespannetwork nl. Jul , a recycling process of iron from red mud by magnetic separation is proposed, in which iron oxide fe o in red mud transforms to magnetite fe o by anaerobic coroasting with pyrite fes Tgdta and xrd results showed that hematite was reduced to magnetite by the thermodecomposed compounds iron monosulfide, pyrrhotite

    More

    pyrrhotite magnetic separator

    Pyrrhotite ore magnetic separator used in pyrite magnetic. 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 65 the relative density is 49 . More Details

    More

    pyrrhotite vs pyrite Disfruta Carolina

    It is easy to separate pyrite and pyrrhotite because pyrrhotite is magnetic, is much softer, and if Pyrrhotite is an iron sulfide mineral with the formula Fe(1-x)S (x = 0 to 0.2). Pyrrhotite. Pyrite is often called "Fool's Gold", but after reading this article you will understand how to avoid being a fool. Fracture Gold vs Pyrite.

    More

    Separation of arsenic from fluorite ore, by means of ...

    Method of producing high-grade iron oxide from ores rich in nickeliferous pyrrhotite: 1951-06-12 ... arsenical pyrites. In consequence, it is an important purpose of the present invention to provide a procedure for the separation of arsenic from fluorite ore containing arsenical pyrites, by means of a fast and economic separation of those ...

    More

    Copper ores - Danafloat

    The largest source of copper is from porphyry ore deposits in which one or a combination of the aforementioned minerals occurs. A typical copper sulphide ore contains various levels of iron sulphide types that generally include pyrite (FeS2) and pyrrhotite (Fe1-xS).

    More

    Advantages And Disadvantages Of Pyrite - 935 Words Bartleby

    He also commented on the heft, its resemblance to brass or copper, and its porosity. A Greek physician called pyrite an ore of copper, due to the brassy look, but also commented on the sparks the mineral gave. Many of the early descriptions of pyrite included similar easily confused minerals such as chalcopyrite, marcasite, and pyrrhotite ...

    More