Magnetic Separation Equipment

Magnetic separation equipment is widely used in the separation of magnetic minerals. Low-intensity magnetic separator is mainly used for the separation of minerals with specific magnetic susceptibility greater than 1 × 10 −6 m 3 /kg, such as magnetite, vanadium titano-magnetite, pyrrhotite, and other minerals. Medium-intensity magnetic separator is …

WhatsApp: +86 18221755073

Recovery of magnetite-hematite concentrate from iron ore …

magnetite and hematite in this fraction, initial tailings were classified using the vibrating screen to remove +1 mm product from the separation process. Fe total content in undersize product increased to 20.4%. To recover magnetite from tailings we used magnetic separation. Magnetic fraction contained 59.3% of Fe

WhatsApp: +86 18221755073

Influence of process parameters of dry high intensity magnetic

These are the three main process parameters which results in the selectivity of the paramagnetic minerals in dry high intensity induced roll magnetic separation. Most of the paramagnetic minerals including hematite respond to the magnetic separation at the field intensity of higher than 0.5 T.

WhatsApp: +86 18221755073

Synchronous enrichment of phosphorus and iron from a high …

In this study, direct reduction-magnetic separation process was applied to enrich phosphorus and iron to prepare Fe-P crude alloy from a high phosphorus oolitic hematite ore (HPOH). The results show that at lower temperatures and with absence of any of additives, Fe cannot be effectively recovered because of the oolitic structure is not destroyed. In contrast, …

WhatsApp: +86 18221755073

A novel pneumatic dry high-intensity magnetic separator for the

High-intensity magnetic separation (HIMS) as an integral part of sorting paramagnetic materials has been widely used in different areas [1, 2], such as beneficiation of minerals [3], desulfurization of coal [4], non-metal ore purification [5], waste treatment [6], and nuclear fuel reprocessing [7].Over the span of decades, a variety of separators have been …

WhatsApp: +86 18221755073

A new iron recovery and dephosphorization approach from …

Deep dephosphorization of high‑phosphorus oolitic iron ore (HPOIO) is extremely difficult because of its refractory characteristics. A new approach for simultaneous iron recovery and dephosphorization from HPOIO by oxidation roasting–gas-based reduction (ORGR) and magnetic separation process was developed.The underlying mechanism was investigated …

WhatsApp: +86 18221755073

Magnetic Separation – Mineral Technologies

Our magnetic separators deliver dependable, high-selectivity separation, enhancing recovery and product quality across all stages of the flowsheet. In today's complex mineral processing landscape, separating magnetic from non-magnetic materials is challenging, especially with fine particles and intricate ores.

WhatsApp: +86 18221755073

How to Extract Iron from Hematite: Methods and Plants

Firstly, the raw hematite ores are evenly sent to a jaw crusher through a vibrating feeder for coarse crushing, then are sent to a cone crusher for fine crushing. Next, the ore is screened by a vibrating screen. Those whose particle size meet the requirements would be sent for grinding, while the others would …

WhatsApp: +86 18221755073

Chemical and mineral transformation of a low grade goethite ore …

The mass recovery of the roasted samples in the 5%/95% gas mixtures at temperature <700 °C with low intensity magnetic separation was low. The mass recovery of the roasted samples at 700 and 750 °C by the magnetic separation was substantially increased, due to the transformation of goethite and hematite to maghemite. For the high intensity ...

WhatsApp: +86 18221755073

Removal of Silica and Alumina as Impurities from Low-Grade Iron …

Iron Ore, Hematite, Magnetic Separation, Reverse Floatation, Multi-Stage Process. ... However, higher Iron grade with minimum impurities is not attained by single magnetic separation process with just up to 53.22 mass% iron grade attained with 12.01 mass% silica and 3.94 mass% of alumina. 2) Reverse flotation using a mixture of cationic and ...

WhatsApp: +86 18221755073

Sustainable iron recovery from iron ore tailings using hydrogen …

By precisely controlling the reduction conditions, almost all of the weak magnetic hematite in the iron tailings is transformed into strong magnetic magnetite, and the iron concentrate with grade and recovery of 56.68% and 86.54% are obtained by the process of magnetic separation, grinding and secondary low magnetic separation.

WhatsApp: +86 18221755073

Beneficiation of Low-Grade Hematite Iron Ore Fines …

The roasted and ground samples underwent a wet low-intensity magnetic separation to confirm the magnetization process of hematite phases. An effective method for identifying and measuring the mineral phases found in …

WhatsApp: +86 18221755073

Dephosphorization Behavior of High-Phosphorus Oolitic Hematite …

In this paper, the process of direct reduction roasting using magnetic separation to produce direct reduction iron (DRI) from high-phosphorus oolitic hematite, using coal slime and blast furnace dust as reductant, is investigated. The possible use of slime coal and blast furnace dust as reductant and the dephosphorization behavior during the process of direct reduction was studied.

WhatsApp: +86 18221755073

Mineral and Technological Features of Magnetite–Hematite Ores …

As a result of magnetic separation, magnetite is recovered into the tailings (Figures 4 and 5). Along with closed intergrowths of magnetite, open intergrowths are visualized in the hematite matrix, which, upon magnetic separation, will precipitate into magnetite concentrates, which will lead to a decrease in the iron content in it.

WhatsApp: +86 18221755073

Hematite Magnetic, Magnetic Separation, Magnetic Separation Process

Introduction. According to the magnetic difference of various ores or materials, the crude ore or materials realize the final mineral separation under the magnetic force and other mechanical forces.Based on 20 years of mineral processing experience, Xinhai continuously develop and innovate magnetic separation process on the basis of the traditional magnetic separation …

WhatsApp: +86 18221755073

Magnetized Roasting-Magnetic Separation | SpringerLink

It is a physical and chemical reaction process that turned weakly magnetic minerals (such as hematite, limonite, siderite, and pyrite) into strongly magnetic minerals (such as magnetite, γ Fe 2 O 3, and pyrrhotite).After magnetized roasting, the ore can be treated by the most economical and effective magnetic separation method with a weakly magnetic field, so …

WhatsApp: +86 18221755073

Separation of Iron and Phosphorus from High-Phosphorus Oolitic Hematite

The dephosphorization process of high-phosphorus iron ore mainly includes roasting magnetic separation, strong magnetic separation, flotation process, selective agglomeration separation, combined process, and other methods . In recent years, a lot of research has been done on the theory and technology of phosphorus reduction in high …

WhatsApp: +86 18221755073

Pilot-scale recovery of iron from refractory specularite ore using

The main process parameters were as follows: a feed capacity of 60 kg/h, a pre-discarded tailings magnetic separation field strength of 5000 Oe, a grinding product with −74 μm content of 90%, the Ⅰ-stage magnetic separation field strength of 3500 Oe, and the Ⅱ-stage magnetic separation field strength of 3000 Oe.

WhatsApp: +86 18221755073

4 Kinds of Hematite Ore Beneficiation Processes How To Choose

The weak magnetic-strong magnetic separation method is mostly used for the treatment of magnetite-hematite mixed ore. After the weak magnetic separation tailings are concentrated, strong magnetic roughing and sweeping are carried out, and the strong magnetic rough concentrate is concentrated and selected by a strong magnetic separator.Due to the …

WhatsApp: +86 18221755073

Efficient Iron Ore Processing: A Five-Step Guide

Magnetic separation (for Magnetite) Magnetic separation separates iron ore based on magnetic differences. It is mainly used for magnetite and other magnetic iron ores. FTM Machinery's magnetic separator can process up to 280 tons per hour, handling ore particles up to 3 mm. It efficiently separates iron-rich material from waste, making it ideal ...

WhatsApp: +86 18221755073

Hematite Magnetic, Magnetic Separation, Magnetic …

Strong magnetic field magnetic separation process is used to recover weak magnetic minerals. After the pulp enters magnetic separator, magnetic force received by magnetic particle is more than mechanical force from the opposite …

WhatsApp: +86 18221755073

Influence of process parameters of dry high intensity magnetic

Magnetic separation of weakly magnetic iron mineral fines in the form of flocs, which is termed Floc Magnetic Separation (FMS) process, has been studied in the present work, in order to find a substitution for high-intensity or high-gradient magnetic separators to treat the ores with weakly magnetic iron minerals in the fine size range.

WhatsApp: +86 18221755073

Laboratory Hematite Magnetic Separation Testing

Step 2: Magnetic separation test. The next step involves the actual magnetic separation testing process. This typically involves applying a magnetic field to a prepared sample and observing the separation of hematite from …

WhatsApp: +86 18221755073

Magnetic separation of roasted hematitic ore

During the SMR process, weakly magnetic hematite and siderite in the iron ore tailings were converted to strongly magnetic magnetite with an average magnetic conversion rate of 81.71%.

WhatsApp: +86 18221755073

A New Route to Upgrading the High-Phosphorus Oolitic Hematite …

In this paper, an innovative method is proposed to upgrade iron and remove phosphorus from high-phosphorus oolitic hematite ore by the sodium magnetization roasting–magnetic separation–sulfuric acid and sodium hydroxide leaching process. The process parameters of sodium magnetization roasting, acid leaching, and alkaline leaching were …

WhatsApp: +86 18221755073

Influence of process parameters of dry high intensity magnetic

These are the three main process parameters which results in the selectivity of the paramagnetic minerals in dry high intensity induced roll magnetic separation. Most of the …

WhatsApp: +86 18221755073

Removal of Silica and Alumina as Impurities from Low-Grade …

In WHIMS process, 93.08% of iron was recovered with a grade of 53.22 mass% at an optimum ... Iron Ore, Hematite, Magnetic Separation, Reverse Floatation, Multi-Stage Process 1. Introduction

WhatsApp: +86 18221755073

Magnetic separation of hematite and limonite fines as …

The experimental results have shown that the FMS process is effective to recover hematite and limonite fines at a middle magnetic field intensity, greatly increased the separation efficiency, compared with the conventional magnetic separation at the same conditions. By applying the process to the fine hematite ore containing 30.5% Fe, a ...

WhatsApp: +86 18221755073

Upgrading of High-Aluminum Hematite-Limonite Ore by High

An innovative technology for a high temperature reduction-magnetic separation process was studied to upgrade a high-aluminum iron ore assaying 41.92% Fetotal, 13.74% Al2O3 and 13.96% SiO2. ... show the possible reactions during the reduction process of high-aluminum hematite-limonite ore, and FactSage7.0 (Thermfact/CRCT, Montreal, QC, Canada ...

WhatsApp: +86 18221755073

Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic

Presently, there are many research studies on vanadium-titanium magnetite in China, most of which first adopt a single process of low-intensity magnetic separation to separate strong magnetic iron minerals such as titanium magnetite and ferrous magnetite (which contain the concentrates of vanadium and titanium), followed by gravity separation ...

WhatsApp: +86 18221755073