magnetic separation of chrome bearing slags

Preparation of a Master Fe–Cu Alloy by Smelting of a Cu ...

Generally, the Cu-bearing direct reduction iron powder (CBDRI) obtained from a direct reduction-magnetic separation process of waste copper slag contains a high content of impurities and cannot …

Mining Industry | Dry Type Permanent Drum Magnetic ...

Description of Permanent drum magnetic separator. The dry type permanent drum magnet magnetic separator is a magnetic pre-separation device for magnetite ore, mainly deployed in the pre-selection stage before the fine crushing or grinding process to removes gangue and surrounding rock, tailings discharging rate is about 10 %.

Effect of Na2O on Phosphorus Enrichment and Separation in ...

P-bearing slag is less. In view of this, this paper researches systematically the influence of Na 2O in P-bearing slag on phosphorus existence form, P 2O 5 solubility and magnetic separation behavior, which provide the necessary research basis for the utilizing of P-bearing slag. 2. Research Method 2.1. P-bearing Slag Thermal Experimental

Application of magnetic separation to steelmaking slags ...

The slags in magnetic separation tests are divided into two groups: magnetic (M) and non-magnetic (NM). Fig. 6a and b show the effects of the drum blade gap on the magnetic separation. These figures show that magnetic grains are better collected by decreasing the grain size of slags.

Recycling Chrome Refractory Waste - 911metallurgist.com

However, in 1974, the steel industry consumed 4.9 pounds of Cr2O3 as chrome-bearing refractories per ton of steel produced. ... The head samples had been handpicked to recover the metal casings and magnetically separated to recover large pieces of magnetic slag and iron contaminants. Chemical analyses were also made of a commercial refractory ...

Recycling Chrome Refractory Waste - 911metallurgist.com

However, in 1974, the steel industry consumed 4.9 pounds of Cr2O3 as chrome-bearing refractories per ton of steel produced. ... The head samples had been handpicked to recover the metal …

Selective Enrichment and Separation of Ti–Fe Enriched ...

2.2.1.3. Magnetic Separation 20 g cooled reduced pellets were crushed manually to 1 mm and ground in an ˝240 × 90 mm ball mill with solid/ liquid ratio of 1:1 (drilled water was used as the liquid.) for 3 min. The particle size was less than 45 ˜m. The slurry was separated by wet magnetic separation using a …

Magnetic separation studies on ferruginous chromite fine ...

The Cr:Fe ratio (chromium-to-iron mass ratio) of chromite affects the production of chrome-based ferroalloys. Although the literature contains numerous reports related to the magnetic separation of different minerals, limited work concerning the application of magnetic separation to fine chromite from the Sukinda region of India to enhance its Cr:Fe ratio has been reported. In the present ...

PRODUCTION, CHARACTERISTICS AND USE OF …

The ferroalloy separation from the lumpy slag happens in a special process, which is based on a gravity and magnetic separation. The first stage of slag processing is crushing and sc reening the feed material to fractions of 0-4 and 4-22 mm. Coarser fractio ns are handled by a heavy media separation - the DWP-method. A magnet

electrowinning recovery of chromium from ferrochrome

To improve total ferrochrome recovery while maintaining a high-quality product, alloy recovery plants are utilised to recover the ferrochrome from the slag produced during the charge chrome process. The slag, which has a metallic content of approximately 4 percent, is processed through a series of crushers and broken down to minus 15mm material.

Processing of Low-Grade Chromite Ore for Ferroalloy ...

The low-grade siliceous chromite ore from Ghutrigaon, Odisha, India, containing ~ 16% Cr2O3, with Cr/Fe ratio of 1.97 and ~ 55% of SiO2, does not find any use in metallurgical industry and hence considered as waste. Mineralogical investigation indicates the presence of chromite and quartz as major minerals with minor fuchsite and kaolinite. The beneficiation studies reveal that the product can ...

Enrichment Characteristics of Cr in Chromium Slag after ...

After the reduction treatment, the metallic iron can be separated from the chromium slag by the melting separation method or magnetic separation method because of the magnetic difference between the metal and slag [19,20,21,22]. According to extensive experimental research and productive practices, the higher the ratio of chromium to iron (Cr ...

Mineralogical characterisation and magnetic separation of ...

Grinding, sieving and magnetic separation were combined to recover metallic iron from the converter slag, and yielded approximately 41.5% of iron in which the iron content was as high as …

A discussion of magnetic separation techniques for ...

A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores M. DOBBINS*, J. DOMENICO*, and P. DUNN* *Outotec (USA) Inc.—Minerals Processing, Physical Separation Magnetic separation has long been used to upgrade and beneficiate a wide variety of industrial minerals.

CN101342512A - Steel scoria processing method - Google Patents

The invention relates to a steel-slag processing method, including the procedures of separation, magnetic separation, fine crushing, magnetic separation, ball-mill washing, etc. The slag and steel are separated by fine processing of waste steel slag, the iron content in the waste slag is lowered, the waste steel is smelted again and recovered for use.

Jigger|Jig Gravity Separator

Jigger. Capacity: 3-40t/h Feed size: 0-30mm Application: Jigger machine is a professional mining gravity separator widely used for the extraction of tungsten, tin, gold, iron, lead, zinc, manganese and other heavy metals. Overview: Ore dressing of our Saw-tooth Wave Ladder Jig is capable of handling almost full sizes of mineral materials other than very fine material.

Probing Study on Separating Pb, Zn, and Fe from Lead Slag ...

followed by magnetic separation, which has been compre-hensively investigated.19–27) In the process of coal-based direct reduction followed by magnetic separation with coal as a reductant, metals are reduced to elementary substances at high temperatures. Metallic iron can be separated from roasted slags by magnetic separation, and volatile metals

Mineralogical characterisation and magnetic separation of ...

The recycling of metallic iron is commonly the first step to fully use the converter slag, which is the biggest waste discharge in the steelmaking process. This study presents a proposed improved p...

Magnetic Separator

Large Magnetic Separator. This large magnetic separator is a wet magnetic separator that is suitable for wet separation of magnetite, pyrrhotite, roasted ore, ilmenite and other materials with particle size not over 3mm. Dry Magnetic Separator. Features of Dry Magnetic Separator: Wide separation particle sizes which can be 0-12mm, High magnetic ...

Nickel recovery from electric arc furnace slag by magnetic ...

During the pyrometallurgical treatment of the nickel-bearing laterite in the plant of G.M.M. S.A. LARCO, slag is produced after treatment in electric-arc furnace (EAF) that contains 0.10 to 0.20 % Ni. Taking into account the great quantity of slag produced per year, the recovery of nickel from the EAF slag will add benefits to the entire process.

(PDF) Review of processing conditions for Murray Basin ...

Review of processing conditions for Murray Basin ilmenite concentrates Warren John Bruckard, Mark Ian Pownceby*, Leanne Kathleen Smith and Graham Jeffrey Sparrow Australia is a major world producer of heavy minerals from mineral sand deposits, but to maintain its premier position in the world market place, the development of large resources such as in the Murray Basin will be necessary.

CN102430472A - Direct reduction-magnetic separation method ...

The invention belongs to the technical field of metallurgy and particularly relates to a direct reduction-magnetic separation method of vanadium titanomagnetite. The method comprises the following steps of: grinding iron ore concentrate powder and pulverized coal, evenly mixing and molding; putting a blank into an airtight lidded crucible, and burying the crucible in pulverized coal; directly ...

NICKEL RECOVERY FROM ELECTRIC ARC FURNACE SLAG BY …

55 % Cr) slag, etc. Especially with charge chrome slag, the content in Cr and other metals is high; it is estimated that an almost equal amount of slag and metals is produced in a charge chrome plant. To recover Cr from charge chrome slag, magnetic and gravity separation methods have been used at bench and industrial scale [19, 20]. • Copper ...

Magnetic separation and extraction chrome from high carbon ...

The data on measuring the slag viscosity of the CaO-SiO2-CrO system are presented by authors of [15]; extracting chromium from high-carbon ferrochrome slag by magnetic separation is in [16]; it is ...

chrome fines spiral concentrator

chrome spiral process - Hitlers Hollywood. chrome wash spiral plant process diagram. Gold Flotation MachineChrome Sand Washing PlantGold Mining Equipment gravity separator 5ll 1200 spiral chute for ore concentrator Chrome Wash Plant Copper ore mining plant is an overall process to improve the grade of the copper to get the concentrate the whole process is a three stage .

(PDF) Recovery of metal from slag/mixed metal generated in ...

Hence, a combina- much difference in the chromium content of the tion of magnetic separation and gravity separation was coarse ( 10+3 mm) and fine ( 3+1 mm) fractions of tried. concentrate, and …

Kinetics of chromite vs. ilmenite magnetization during ...

consisted of two magnetic separation steps at different magnetic field strengths—2 350 Gauss and 6 500 Gauss— with subsequent roasting and magnetic separation of the reject stream with the lowest magnetic susceptibility. They did not recommend any process conditions for roasting. The aim of the investigation reported by Gouws and Van Dyk1

Metalizing Reduction and Magnetic Separation of Vanadium ...

Metalizing Reduction and Magnetic Separation of Vanadium Titano-magnetite based on Hot Briquetting Shuang-yin Chen and Man-sheng Chu School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China Corresponding author: Man-sheng Chu E-mail: [email protected] Abstract：With aim to high efficiency utilization of Panzhihua vanadium …