JDS was retained by CIL in early 2012 to design, build and operate a dedicated magnetite processing plant to meet the media-grade magnetite needs of the Western Canadian Coal producers. Project scope included full detail engineering, procurement, and project and construction management, including: Daily process plant operation.

The reserves of vanadium–titanium magnetite exceed 18 billion tons [], accounting for over 90 wt.% of China's titanium resource reserves [2, 3].At present, the blast furnace method of smelting vanadium–titanium magnetite only recovers Fe and a part of V [].Due to the low titanium content [5, 6] and the difficulty in dissociating the Ti-bearing …

The surface magnetite can provide magnetic force during the magnetic separation process to recover the roasted particles. The efficient iron recovery was realized through surface magnetization roasting, which only required partial reduction of hematite, consuming less energy and reductant.

The optimum grade that could be obtained from single-stage dry magnetic separation was 35.52% Mn, and with a Mn:Fe ratio of 1.77, and 44% Mn recovery in the case of sample 1; whereas, a 33.75% Mn grade, with a Mn:Fe ratio of 1.66 at Mn recovery of 44% was reported for Sample 2. It was observed that both samples had a similar input chemistry ...

A novel process for recovery of iron, titanium, and vanadium from titanomagnetite concentrates: NaOH molten salt roasting and water leaching processes ... Lucas, B. H.; Ritcey, G. M. 1980. An alkaline roast-leach process for treatment of titaniferous magnetite for recovery of chromium, vanadium & aluminium. CIM Bulletin, …

The electrochemical recovery of silver by employing recyclable superparamagnetic carbon materials (Cmag) is reported. The proposed strategy explores the adsorption properties and the large surface area of carbon, in conjunction with the superparamagnetic properties of magnetite nanoparticles, in order to collect Ag + ions …

The Bohou process comprises dry dense medium separation using magnetite as the medium. The recovery and re-use of magnetite are, however, problematic. The aim of this investigation was to determine how efficiently magnetite can be recovered and to identify the factors influencing the magnetite losses during this dry processing. The test work ...

The recovery-time profile depicted in Fig. ... which improved the magnetite depression and separation process. Ether monoamine indicated a higher water recovery (90.4 vs. 85.2%) and was ...

The results show that the reasonable smelting parameters of the smelting process of vanadium–titanium magnetite introduced in this paper are smelting temperature above 1450 °C, slag basicity above 0.8, ... Chen SY, Chu MS (2014) A new process for the recovery of iron, vanadium and titanium from vanadium titano-magnetite. J S Afr Inst …

Recently, scrubbing followed by multiple-step low magnetic separation process has been reported for the recovery of magnetite from BMQ ore with a concentrate of ~ 65.1% Fe at a yield of 24.6% . Recently, it has been reported that application of microwave pretreatment reduces the ore hardness causing the ore fracture …

This paper presents an evaluation of a magnetite-based ad. sorption process for the removal and recovery of metals from. industrial wastewater. A magnetite-based process potentially of fers advantages of both magnetic separation and oxide adsorbent recovery and reuse. However, because of its small specific surface.

The particle sizes of VTM and reduction coal are ground to less than 0.074mm. As listed in Table 1, the VTM from PanXi area of China contains 53.91% Fe and 13.03% TiO 2, and the main minerals in ...

Wang et al. employed a process of screening-rinsing-fine grinding- selective flocculation-reverse flotation to produce an iron concentrate with an iron grade of 65.34 % and a S content of 0.037 % [24]. In the recovery of iron from PyC by flotation, the loss of iron is much greater and unavoidable.

• Magnetite pellet feed recovery from chalcopyrite dam copper flotation tailings. • Process route comprises scalping screen, low field rougher, and cleaner …

The effects of different process variables such as reductant concn., time, and temp. during the process of roasting were studied and subsequently optimized using the Taguchi statistical design. Optical …

In order to investigate the effect of particle size on the recovery of magnetite particles in a low intensity magnetic separator, different size fractions of magnetite, alone and mixed with the same size quartz particles at a 0.5–0.5 ratio were subjected to magnetic separation tests in a Davis tube tester. The results are given in …

The recovery rate and magnetic force of the magnetite adsorbent are shown in Fig. 10 (a). It exhibited an average recovery rate of magnetite particles of about 99.6% or more. The magnetic properties of magnetite were measured to be around 55 emu/g in the field measurement range of ± 5.0 kOe at room temperature.

Merrill-Crowe is the primary process used for the concentration and purification of silver in a cyanide solution. The Langmuir Adsorption model for silver recovery in a cyanide solution was used for the study. The maximum adsorption capacity was 6.19 mmol/g for silver. This model properly adjusts the experimental results of the …

Abstract. Reprocessing magnetite-rich copper (Cu) tailings prompted a concern about arsenic (As) risks in seepage water and revegetated plants at Ernest …

The heavy-media separation process, or HMS, employing ferrous media, usually ferrosilicon and/or magnetite, is the most generally used process for sink-float separations. A stable medium over the range of specific gravities from 1.25 to 3.40 can be maintained within close limits and is cleaned and recovered by magnetic means.

In this work, diboron trioxide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high-vanadium, ultra-high-titanium vanadium–titanium magnetite. The metallized coal-based direct reduction–electromagnetic separation experiment was conducted. Results show that a …

The present evaluation focused on incorporating magnetite recovery into a process flowsheet that produces an additional product from combustion ash. Approximately 0.5 …

The proposed process route comprises a scalping screen, low eld rougher, and cleaner magnetic separations using a drum magnetic separator (80 kA/m or 1000 Gauss), …

vanadium recovery from magnetite is achieved by chemical leaching using a mixture of nitric and sulfuric acids at a temperature of 80–95 C ( Nejad et al., 2018 ).

Iron ore magnetite processing (LIMS, MIMS, WHIMS, Davis Tubes) ... Davis Tubes: The traditional Davis Tube forms the bedrock of every magnetite program in determining the initial weight-recovery response of magnetic iron. This will indicate the proportion of the deposit that is magnetite and the likely grade of concentrate at a given grind size ...

Recovering iron from acid-leaching tailings of laterite nickel ore by mineral phase transformation. •. Reduce the inventory of hazardous waste while recycling iron …

Therefore, it can be considered to treat the spent VWTi catalyst by vanadium–titanium magnetite sintering process to achieve the recovery of Ti and V resources, ... Therefore, when adding spent SCR catalysts in the vanadium–titanium magnetite sintering process, the addition amount of spent SCR catalysts should be less …

These operations include the Iron Baron, Iron Knob, and Iron Duke sites, from which we extract both hematite and high-grade magnetite, which has a mass recovery grading of 33-40% in the ground – magnetite ore grades are typically 16-25%. The processed magnetite consistently yields premium grade concentrate between 65% and 70%, ideal for DRI ...

The aim of this study is to examine the performance of wet drum magnetic separation on the recovery of magnetite from dry crushed feed. The steel industry has depended on iron (Fe) concentrate ...

In summary, a novel type of polyethyleneimine-functionalized magnetite nanoparticles (PEI-MNPs) was prepared for recyclable recovery of fucoidan from aqueous solution by an LbL method using STPP as a cross-linker. The relatively large size of the magnetic cores renders the PEI-MNPs improved magnetic response.