Concentrating Of Iron Slag And Apatite Phases From

Concentrating of Iron, Slag and Apatite Phases from High

Hence, concentrating experiments of iron, slag and apatite phases from high phosphorous iron ore gaseous reduction product at 1473 K by super gravity were carried out in this study, and the results confirmed that it was a feasible and effective method

Concentrating of Iron, Slag and Apatite Phases from High

Hence, concentrating experiments of iron, slag and apatite phases from high phosphorous iron ore gaseous reduction product at 1473 K by super gravity were carried out in this study, and the

Concentrating of Iron, Slag and Apatite Phases from High

Hence, concentrating experiments of iron, slag and apatite phases from high phosphorous iron ore gaseous reduction product at 1473 K by super gravity were carried out in this study, and the results confirmed that it was a feasible and effective method

Separation of Iron Phase and P-Bearing Slag Phase from

Iron grains moved along the super-gravity direction, joined, and concentrated as the iron phase on the filter, whereas the slag phase containing apatite crystals broke through the barriers of the

concentrat iron from iron ore - perkinspreschool

Concentrating of Iron, Slag and Apatite Phases from High - J-Stage Introduction With the gradual decrease of high grade iron ore resources, the iron ore deposits exhibit an increasing complex mineral- ogical composition around

Pyrometallurgical Treatment of Apatite Concentrate with

produced apatite concentrate The flowchart of the whole process targeted in the project is presented in Fig 2 The overall objective of the work is to develop a pyrometal- lurgical process that extracts and purifies low REEs grade raw material into a material stream with high REE contents and purity for further recovery of REEs

Combination of Slag, Limestone and Sedimentary Apatite in

(eg, electric arc furnace, blast furnace or iron melter slag), this material has a high affinity for phosphorus (P) [3-5] However, the elevated pH of the steel slag effluent from laboratory calcium and apatite to slag would preserve P-removal properties, while reducing the pH of the treated concentration of 26 mg/L and pH of 74

In vitro study of iron doped hydroxyapatite

Figure 2 shows the percentage amount of hematite and apatite phases as a function of iron content It was observed that hematite phase decreased, while apatite phase increased with the increase of iron content This behavior suggested that iron enhance the formation of HAp, while it …

Pyrometallurgical Treatment of Apatite Concentrate with

Pyrometallurgical Treatment of Apatite Concentrate (REEs) from the resulting slag/residue phases Experi-mental behavior has been modeled using equilibrium phosphorus from apatite concentrate with and without iron addition has been studied, and the elemental distribution to

concentrat iron from iron ore - perkinspreschool

Concentrating of Iron, Slag and Apatite Phases from High - J-Stage Introduction With the gradual decrease of high grade iron ore resources, the iron ore deposits exhibit an increasing complex mineral- ogical composition around

concentrating and beneficiating iron ore - abwasseranlageneu

concentrating iron ore - Human's Care And … Concentrating of Iron, Slag and Apatite Phases Fulltext (PDF) According to the melting behavior of high phosphorous iron ore gaseous reduction product at 1473 K, the iron grains remain in solid state, and the More Info

In vitro study of iron doped hydroxyapatite

Figure 2 shows the percentage amount of hematite and apatite phases as a function of iron content It was observed that hematite phase decreased, while apatite phase increased with the increase of iron content This behavior suggested that iron enhance the formation of HAp, while it …

Formation and characterization of metallic iron grains in

Formation and characterization of metallic iron grains in coal-based reduction of oolitic iron ore The microstructure and size of the metallic iron phase were investigated by scanning electron microscopy, energy-dispersive X-ray spectroscopy, and a Bgrimm process mineralogy analyzer L Guo, and ZC Guo, Concentrating of iron, slag and

Uranium distribution in pseudowollastonite slag from a

Spherules o-:f iron phosphide, Fe2 P, occur very sparsely in the slag as in-clusions from the immiscible iron phosphide melt Uranium content increases in the later crystal products of' the slag, and by heavy-liquid fractionation it has be:en possible to segregate partially the phases and tq obtain a

Phosphorus removal by slag depends on its mineralogical

Hence, the crystalline calcium phosphate phase in the three EAF slag might be carbonate apatite rather than fluoroapatite Table 2 Phosphorus speciation in the slag samples as revealed by linear combination fitting of P K-edge XANES spectra

Combination of Slag, Limestone and Sedimentary Apatite in

iron smelter slag in New Zealand where it has been operating for 14 years and concluded that P-adsorption onto Fe metal oxides represents a major process of P removal In order to reduce effluent pH while maintaining a high P-removal, Baker et al [1] used a mixture of slag and Ca rich materials

Pyrometallurgical Treatment of Apatite Concentrate with

Pyrometallurgical Treatment of Apatite Concentrate (REEs) from the resulting slag/residue phases Experi-mental behavior has been modeled using equilibrium phosphorus from apatite concentrate with and without iron addition has been studied, and the elemental distribution to

phosphorus removal by gravity separation in iron ore

The iron-slag separation by super-gravity resulted in phosphorus being effectively removed from the iron-rich phase and concentrated as a phosphorus-rich phase at a temperature below the melting point of iron

Pyrometallurgical Treatment of Apatite Concentrate with

The phases initially present in the apatite concentrate have been verified by XRD as shown in Fig 6, and found to include in quantities significant enough to be observed: apatite, calcite, dolomite, talc, …

Combination of Slag, Limestone and Sedimentary Apatite in

Combination of Slag, Limestone and Sedimentary Apatite in Columns for Phosphorus Removal from Sludge Fish Farm Effluents Florent Chazarenc 1,2, * , Melissa Filiatrault 2, blast furnace or iron melter slag), this material has a high affinity for phosphorus (P) [3,4,5]

Separation of Iron Phase and P-Bearing Slag Phase from

Iron grains moved along the super-gravity direction, joined, and concentrated as the iron phase on the filter, whereas the slag phase containing apatite crystals broke through the barriers of the iron grains and went through the filter

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aluminium, and iron was studied concentration of rare-earth metals in slag may achieve 500-600 ppm [7] Therefore, phosphorus slag of REMs from the solutions resulted from leaching of apatite concentrate and apatite concentrate processing waste by nitric acid However, the solutions resulted from phosphorus slag leaching by

Concentrating vanadium in spinel phase in steel slags

Both dry magnetic separation and wet magnetic separation were made on each slag In addition to the magnetic separation there was also wet gravity separation preformed on the LUVA-­‐slagThe metallic iron could be separated from the LUVA-­‐slag but no considerable concentration of the spinel phase was however made during this thesis

Combination of Slag, Limestone and Sedimentary Apatite in

The results from these studies provided strong evidence that regardless of the type of steel slag used (eg, electric arc furnace, blast furnace or iron melter slag), this material has a high affinity for phosphorus (P) [3,4,5]

Master Slag Production for the Recovery of Rare Earth Elements

This was realized through the production of a Master Slag, ie a slag of uniform relative composition of Nd2O3-SiO2-CaO made from an Apatite Concentrate produced by LKAB in Kiruna, Sweden, which is a Swedish iron mining company

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Phosphorous slag is generally used in the manufacture of construction materials and products made of the construction materials [1, 2] Despite the existing slag utilization activities, the most part of slag remains at the slag disposal areas [3] One of the reasons for the low slag utilization level is a low price of the manufactured products

Extraction of the RO Phase from Steel Slag - scientificnet

The results show that the SAE solution can be used to extract the silicate phase from steel slag and the best extraction conditions were 40 degrees of dissolution temperature, 3 h of solution time, salicylic acid concentration 02 g/ml and the specific surface area of steel slag 600 m2/kg Then the intermediate phases (mainly C2F) from steel slag were extracted by KOSH solution, which can get a relatively pure …

Phase Equilibrium and Activities of Fe-S-O Melts

Introduction Smelting of copper concentrate produces oxide phase that is containing considerable amount of copper Slag entrains copper as sulfide, oxide or matte particle, and recovery of the copper is difficult The copper in the slag can not be recovered 4 phase is sometimes produced at slag-matte interface

Silicate Minerals - an overview | ScienceDirect Topics

With the sole exception of iron, and may depend on the composition of the concentrating phase However, with characterizing materials with these ultrafine textures and that some elements reported in glass and crystalline phases in slag studies may be present as submicrometer- or nanometer-sized inclusions Therefore, the concentrations

Utilization of Apatite Ores | IntechOpen

When the iron ore is burnt with limestone in the presence of air, calcium phosphate and calcium silicate appear as slag Thus, the mixture of calcium phosphate and calcium silicate is known as Thomas (basic or phosphatic) slag and contains 14 – 18% of P 2 O 5 and 40% of lime

RECOVERY & TREATMENT OF APATITE & TITANIFEROUS …

AND TITANIFEROUS MAGNETITE BY CONCENTRATING AND SMELTING November 22, 1974 file V fc* S Sources Inc l l titaniferous magnetite to iron or steel and titania-bearing slag This ore body will have a life of about 9 years and, prior to to provide facilities to recover apatite and pig iron This

smelting of titaniferous magnetite - BINQ Mining

Jun 08, 2013 · ELECTRIC SMELTING OF TITANIFEROUS IRON ORES FROM ABSTRACT The smelting of titaniferous magnetite At the melting point of the titaniferous magnetite sample (around 1823 K), the presence of both solid and liquid phases result in a considerable

Thermodynamic Calculations Predicting MgO Saturated EAF

MgO saturated and CaO saturated phase diagrams at 1600ºC, in contact with metallic iron were published in the Slag Atlas (3) Both diagrams show contour lines of MgO above 6 wt%

apatite mineral fluorite - mvbccorg

Nov 07, 20180183;32;Apatite and the mixed apatite phases (apatitefluorite mix) were found in different Fluorite, Fluorite Mineral, Fluorite Flotation Process Xinhai Xinhai Fluorite Flotation Process can help you to obtain high grade fluorite concentrate

Apatite - Wikipedia

Jump to navigation Jump to search Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal

Mineralogy of primary phases in slags and mattes from the

The mineralogy of primary phases of historical and recent slags from smelters in the Tsumeb district (Namibia) has been studied X-ray diffraction analysis (XRD), scanning electron microscopy (SEM) and electron microprobe (EPMA) techniques were used for identification of the individual slag phases

An investigation of the chemistry of apatite in iron oxide

An investigation of the chemistry of apatite in iron oxide-apatite (IOA) deposits NL La Cruz1, AC Simon1, located in the Chilean Iron Belt Apatite is a ubiquitous phase in IOA deposits, and it is The data reveal concentration variations between the core and rim of the apatite grains for elements such as chlorine (Cl) The variations in Cl