Contrasted speciation distribution of toxic metal(loid)s and …

In this study, the vanadium-titanium (V-Ti) magnetite tailing reservoir area in Panzhihua city, a prefecture-level mining city in Sichuan Province, southwestern China, was chosen as the sampling site. Specifically, samples of dry and wet stockpiled tailings were collected to identify their geochemical properties including metal content, mineral ...

Assessment of the soil utilization potential of vanadium …

The X-ray diffraction (XRD) analyses showed that pyroxene, mica, cordierite, and kaolinite were the primary minerals in the tailings. There is a low risk of soil …

Magnetite (Fe3O4): Properties, Synthesis, and …

33 Magnetite: Properties, Synthesis, & Application Lee Blaney SYNOPSIS The subsequent report presents scientific data concerning properties of micro- (diameter in 10-6 m meter range) and nano- (diameter in 10-9 m meter range) magnetite, an iron oxide with chemical structure Fe3O4, particles; additionally, the properties of nano-particulate magnetite are

Synthesis of magnetite powder from iron ore tailings

Iron ore tailing—a waste material of mineral beneficiation plants, is used as a source of iron for synthesizing magnetite powder. Iron ore tailings containing 15.98% Fe2O3, 83.36% SiO2 and 0.44% ...

Initiating pedogenesis of magnetite tailings using Lupinus

Dry-stacked magnetite tailings (hereafter referred to as tailings) are generated as fine-textured (processed by high-pressure grinding to <4 mm) waste …

Assessment of the soil utilization potential of vanadium …

In each sampling point of the Vanadium-titanium magnetite tailings, Geothermobacter was the dominant genus at the T3-D3 sample sites, and Thiobacillus was the dominant genus at the remaining sampling sites. It is sulfur and iron metabolism dominated the microorganisms in the Vanadium-titanium magnetite tailings investigated …

Vanadium mobilization and redistribution during mineral …

Site description and sample collection. The V-Ti magnetite tailings used in this study were sampled from Majiatian tailing reservoir in Panzhihua, Sichuan Province, China (26°36′24″ N, 101°46′46″ E). This tailing reservoir was put into operation in May 1970 and officially closed in December 2020.

Recovery of magnetite-hematite concentrate …

Material composition of a sample from a tailings dump was analysed. The authors have developed a separation production technology to recover magnetite-hematite concentrate from the tailings ...

Mineral Magnetic Modification of Fine Iron Ore Tailings and …

For all samples, the main tailing minerals were quartz and hematite, with minor quantities of magnetite (up to 2 wt.%) and goethite (up to 4 wt.%). Therefore, the hematite content varies between 13 and 58 wt.%, lowering as the distance from the end of the slurry pipeline of the processing plant increases.

Role of tailing colloid from vanadium-titanium …

vanadium and vanadium-titanium magnetite tailing derived colloid, (2) explore the transport behaviors of vanadium and tailing colloid in quartz sand, and (3) demonstrate the criti- ... (XRD). The elemental composition in the tailing sample was measured by a Panalytical Axios FAST X-ray uorescence spectroscopy (XRF). An FEI Inspect F50 emis-

Enhanced process route to produce magnetite pellet feed from copper tailing

The sample used in the investigative step was just similar to the one used in the present study, but the results corroborated with the related literature, that concludes the use of starch depressants in the magnetite re-treatment from tailing work better with the absence of depressors, mainly due to Fe-silicate bearing minerals have the ...

Multiple heavy metal distribution and microbial community

The present study provides insights into the distribution of microbial community in vertical profiles of V-Ti magnetite tailings, which may contribute to our future manipulation of these microorganisms in order to assist in the ecological remediation of …

Geometallurgical Sampling and Resource Estimation for …

The magnetite sampling protocol is speci fi c to each deposit, and is typically designed around a specifi c metallurgical fl ow sheet. During resource modelling, the mass magnetic recoveries and concentrate grades may be estimated directly or assigned to a block model using regressions with other chemical constituents.

Assessment of the soil utilization potential of vanadium …

The utilization of vanadium-titanium magnetite tailings as soil represents a viable strategy for achieving extensive depletion, while simultaneously fostering …

Geometallurgical Sampling and Resource Estimation for …

The sampling protocol for magnetite deposits will typically include the use of Davis Tube analysis. The Davis Tube is a mini-pilot plant that is used for determining the mass …

Mineralogical and Beneficiation Studies of a Low Grade Iron Ore Sample

But if the sample is processed directly by wet high intensity magnetic separator then it may get choked, because of its relative high amount of magnetite content. Hence, the sample may be subjected initially to low intensity magnetic separation and then the tailing of the low intensity magnetic separator can be subjected to wet high intensity ...

Extraction of Sc from Sc-Bearing V–Ti Magnetite Tailings

In this study, a magnetic separation–shaking table gravity separation process was used to treat Sc-bearing V–Ti magnetite tailings, and the Sc2O3 content in …

Recovery of magnetite-hematite concentrate from …

A representative sample of the tailings was collected with the use of a dredger. The grain sizes, mineral and chemical compositions of the sample were analysed. Content of Fe total in tailings is 19.4%, while content of Fe associated with magnetite and hematite is 10.4% and 4.9% respectively. Grain size analysis (table 1) shows that the yield of

Enhanced process route to produce magnetite pellet feed from copper tailing

The true density of copper tailing was 3.462 g/cm 3. Size distribution. Table 3 presents size distribution of copper tailing. The copper tailing presents 50% of. Conclusion. This study proposes an enhanced process route to recover salable magnetite pellet feed from an industrial IOCG copper flotation tailing.

Preparation of superior magnetite concentrate from waste …

The prepared sample was raw ore in our work, and the raw ore was roasted by HMPT technology. The HMPT coupled with magnetic separation was shown in Fig. 2.The process flow chart of HMPT was shown in the Fig. 2 (a). The equipment schematic and gas-solid flow diagram were shown in Fig. 2 (b). Feeding and preheating system, …

Separation, upgrading, and mineralogy of placer magnetite …

The black sand magnetite is a raw material to produce iron and steel. High content magnetite in the top meter beach sands of the north-west of El-Burullus Lake of Egypt is separated and mineralogically and geochemically investigated. Magnetite content obtained by laboratory techniques varies between 2.92 and 0.11 wt%, with 1.15 wt% …

Recovering Cobalt and Sulfur in Low Grade …

The main sulfide minerals in low‐grade vanadium titanomagnetite tailings are pyrite, pyrrhotite, cobalt‐nickel pyrite, cobalt–sulfur ore, and sulfur–nickel–cobalt ore. Adding …

Production of magnetite concentrate from iron ore …

magnetite ore tailing can be used as materials for . ... During the study, iron ore tailing with 37.06 % Fe3O4 grade was used. Mineralogical analyses of test sample showed that magnetite and ...

Sampling sites and tailing samples | Download Scientific …

Download scientific diagram | Sampling sites and tailing samples from publication: Role of tailing colloid from vanadium-titanium magnetite in the adsorption and cotransport with vanadium | The ...

Tailing Material | Sampling Systems | Mining

These samplers are designed to collect representative samples in tailings materials ranging from process water, to fluid slimes, to liquefiable sandy silt, to dense beach and …

Enhanced process route to produce magnetite pellet feed from copper tailing

The complex mineralogy of Sossego DAM copper tailing leads to the necessity to grind the rougher magnetite pellet feed to a P80 of 20 µm to liberate of magnetite and allow to produce a high ...

Rhizobia population was favoured during in situ …

It was successfully used to remediate the iron-vanadium-titanium oxide (V-Ti magnetite) mine tailing soil at Panzhihua in China, due to its long taproot and thick lateral root system (Yu et al ...

Influence pathways of vanadium stress to microbial …

Sampling site and sample collection. In Panzhihua City of southwest China, the annual production of V-Ti magnetite tailings reached 100 million tons, with a cumulative stockpile of over 570 million tons (Li et al., 2020). ... Multiple heavy metal distribution and microbial community characteristics of vanadium-titanium magnetite …

Mechanical activated waste magnetite tailing as pozzolanic …

Waste magnetite tailing (WMT) is one of the main tailings produced in China, where approximately 25 million tonnes of WMT are generated annually [5]. However, studies on the reuse of WMT have not been reported. ... the control group with each sample consisting of 20 g cement and 100 mL distilled water, and the experimental …

Copper, cobalt, nickel and magnetite recovery from iron ore tailing

[Show full abstract] with a magnetite content of 8% with FeO/SiO//2 1. 2, whereas only 40-60% nickel and cobalt could be recovered from slags with a magnetite content of 15-20% and FeO/SiO//2 in ...