as to produce the high intensity magnetic field. The approaching ore pulp with eligible particle size is then conveyed by the ore feeding pump into the separating box on the separator drum. The ore pulp in the separating box enters the magnetic field region where the par-ticle ore bears a variety of forces, including magnetic force, rinsing
With the rapid depletion of relatively simple iron ores that can be readily beneficiated, agglomeration magnetic separation has been increasingly applied for recovery of fine iron minerals. In this study, the effects of stirring speed, pH, and flocculant dosage on the recovery of fine hematite are investigated by floc-magnetic separation …
Tripathy [7, 8] conducted a comprehensive study on the effective separation of hematite fines using a dry high-intensity magnetic separator. The study also involved the utilization of response surface methodology to evaluate the performance of a specialized dry high-intensity induced roll magnetic separator specifically designed …
Semantic Scholar extracted view of "Influence of process parameters of dry high intensity magnetic separators on separation of hematite" by S. K. Tripathy et al.
The advent of rare-earth permanent magnets has resulted in construction of magnetic roll separators that generate magnetic forces exceeding those produced by electromagnetic high-intensity separators.
This study focuses on the development of a novel pneumatic dry high-intensity magnetic separator (PDHIMS) (maximum magnetic induction of 2 T) to enhance the efficiency of separating hematite ore fines. Force analysis of the novel separator demonstrated that it can potentially reduce the lower size limit of hematite dry …
The experimental results showed that the novel magnetic separator significantly strengthened the dispersion between particles and greatly improved the …
The principal objective of the present study is to understand the role of various process variables of dry high intensity induced magnetic roll separator, and …
Intensity Magnetic Separators) commonly use an alloy of neodymium, iron, and boron (NdFeB). ... (High Intensity Magnetic Separators). The HIMS is referred to as HGMS (High Gradient Magnetic Separators). ... Lump ore is manly hematite. Sinter fines, usually below ca 10 mm in size, may or may not require ...
Dry high intensity magnetic separation (DHIMS) is investigated to process a lean hematite ore. It was found that the feed particle size and the drum rotation speed …
Wet High Intensity Magnetic Separators (WHIMS) from Multotec apply magnetism, matrix rotation and gravity to achieve para-magnetic materials separation. Applications include heavy minerals, ilmenite, manganese and iron ore (haematite) beneficiation; PGM upgrading as well as manganese recovery from slimes dams.
Present investigation includes the magnetizing roasting of low-grade iron ore fines followed by grinding and beneficiation using magnetic separation.
This experiment using a simple process low intensity magnetic separation-high gradient magnetic ... This method provides a new method for the recovery of iron from tin-bearing iron ore of hematite.
High-intensity magnetic or roasting-magnetic separation processes and flotation are commonly used to enrich hematite ore. However, the main drawbacks of …
The performance of floc magnetic separation (FMS) has been compared with wet high-intensity magnetic separator (WHIMS). This study was performed on low-grade iron ore slime contained 59.58% Fe with…
The roasted and ground samples underwent a wet low-intensity magnetic separation to confirm the magnetization process of hematite phases. An effective …
In this study, the effect of molecular structure and dosage of the reagents, pulp pH and stirring intensity on the flocculation performance and magnetic separation behavior of ultrafine specular hematite ore were studied by optical microscope observations along with image analysis and floc-magnetic separation experiments, …
This study focuses on the development of a novel pneumatic dry high-intensity magnetic separator (PDHIMS) (maximum magnetic induction of 2 T) to enhance the efficiency of separating hematite ore fines.
WET HIGH INTENSITY MAGNETIC SEPARATOR WHIMS. Unique Features for Customer's Satisfaction ... Recovery of hematite, limonite, siderite, chromite, manganese ores, etc. ... lithium mica, monazite, and phosphorus yttrium ore. Separation of lithium pyroxene from hornblende, tantalum from niobium, iron ore from microlite, titanium : iron …
Shao, Veasey and Rowson (1996) measured magnetic susceptibility of iron ores in a wet high intensity magnetic separator. They concluded that hematite is a strongly …
In this context, a low-grade hematite ore with 56.5% Fe has been subjected to heat treatment followed by grinding and wet high intensity magnetic separation (WHIMS). The magnetic separation results indicate that an enhancement in yield by around 15–20% by weight is possible when the ore is heat-treated at 500–800 °C.
The principal objective of the present study is to understand the role of various process variables of dry high intensity induced magnetic roll separator, and rare earth roll magnetic separator on separation of hematite fines.
Semantic Scholar extracted view of "A novel pneumatic dry high-intensity magnetic separator for the beneficiation of fine-grained hematite" by Zhicheng Hu et al.
High intensity dry magnetic separators are in use for various applications in the mineral as well as coal processing industries. Evaluation of the performance of these separators treating different minerals has become an active research topic.
Before carrying out magnetizing roasting studies, wet low intensity magnetic separation (WLIMS) was carried out on raw ore fine samples to fix the optimum range of magnetic intensity value for this given hematite ore.
This study focuses on the development of a novel pneumatic dry high-intensity magnetic separator (PDHIMS) (maximum magnetic induction of 2 T) to enhance the efficiency of separating hematite ore fines.
In the present investigation, an effort has been made to understand the role of different process variables of RERMS and IRMS to separate the hematite fines from a low-grade ore. Before magnetic separation studies, detailed characterisation of the material was carried out regarding physical, chemical, mineralogical and magnetic properties which ...
A novel low-intensity pneumatic planar magnetic separator designed to recover and concentrate fine-grained magnetite minerals is investigated and the performance compared with those of conventional wet magnetic separators, i.e., Davis tube tester and drum magnetic separator.
Magnetic separation of hematite using high intensity dry magnetic separation has been reported by Palasvirta (1959). He presented data for a coarse-grained specular hematite ore from Quebec ground to all passing 1.7 mm. Metallurgical results were exceptionally good, with concentrate grades as high as 67% Fe and iron …
Dry high intensity magnetic separation (DHIMS) is investigated to process a lean hematite ore. It was found that the feed particle size and the drum rotation speed have significant influences on the …