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.

WhatsApp: +86 18221755073

Conversion of metal-enriched magnetite mine tailings into …

Magnetite mining is a significant contributor to land deterioration as well as HM-based soil contamination. The characteristics of magnetite mine tailing were examined in the present study, in addition to the positive and sustainable restoration strategy with Bougainvillaea glabra under the influence of Thiobacillus ferroxidance.The traits of test …

WhatsApp: +86 18221755073

Revealing the release and migration mechanism of heavy …

Sampling. Tailings are complex multi-phase artificially mixed accumulations. Their mineralogical characteristics are closely related to deposit type, ore grade, sulfide content, buffer capacity, regional climatic temperature, and rainfall. ... The characteristics of magnetite mine tailing were examined in the present study, ...

WhatsApp: +86 18221755073

Soil microbial community variation in vanadium-enriched …

Based on the preliminary background and local planting situation, five sites with different distances from the tailing were selected for soil sampling. These sampling sites had varied planting types. ... Culturable heavy metal-resistant and plant growth promoting bacteria in V-Ti magnetite mine tailing soil from Panzhihua, China. PloS …

WhatsApp: +86 18221755073

Multiple heavy metal distribution and microbial community

A large amount of V-Ti magnetite tailings have been generated in the selection process of Fe concentrate, ... The distance between the two tailing sampling …

WhatsApp: +86 18221755073

Fungal community determines soil multifunctionality during …

The tailing reservoir stores vanadium titano-magnetite tailings, with the cumulative volume estimated at approximately 180 million tons. Its proximity to the Jinsha River (1.5 km) and the urban area (3 km) positions the reservoir as a significant source of toxic metals, posing substantial risks to the regional environment and public health.

WhatsApp: +86 18221755073

Mechanical activated waste magnetite tailing as pozzolanic …

The MIP test indicated that mercury intrusion volume in the activated sample with 20 % cement-replacement (TA20) was lower than that of the raw sample with 20 % cement-replacement (TR20) and ...

WhatsApp: +86 18221755073

Fungal community determines soil multifunctionality during …

This area is characterized by a subtropical monsoon humid climate, exhibiting a mean annual temperature of 20 ℃ and a mean annual precipitation of 860 mm [42]. The tailing reservoir stores vanadium titano-magnetite tailings, with the cumulative volume estimated at approximately 180 million tons. Its proximity to the Jinsha River (1.5 km) and

WhatsApp: +86 18221755073

Rhizobia population was favoured during in situ …

A significant difference was discovered for sample groups before and after remediation. ... the heavy metal distribution and the microbial community structure of the soils and tailings at varied depths of V-Ti magnetite tailing profiles with and without soil coverage. The results indicated that the topsoil covering measures retarded the ...

WhatsApp: +86 18221755073

Current situation and prospects for the clean utilization of …

Magnetite is a black flake scattered throughout feldspar and quartz. The maximum grain size is 5–6 mm, which is generally less than 1 mm. The surface is rough and porous, and limonite powder is present in the holes. In the feldspar and quartz of the magnetite, individual pyrite grains containing a small amount of gold are observed …

WhatsApp: +86 18221755073

(PDF) Characterization various tailing streams of an iron ore

Th e tailing sample assayed 49.40% Fe. Initially desliming of the sample. ... Rougher tailing is magnetite. I t is accor da nce with the r esults of FeO content whic h is prese n ted in Fig. 4.

WhatsApp: +86 18221755073

Beneficiation Processing of Magnetite ore from …

2.44 million ton[1], and Lampung magnetite ore deposits have been ident ified as a potential industrial resources [2]. Magnetite ore is commonly extracted from earth as the primary raw material to produce sponges iron or iron pellets for steelmaking industry. However, most Indonesian magnetite ore deposits are

WhatsApp: +86 18221755073

Intimate microbe-water-mineral interactions mediate …

The sampling area is located in Panxi area, Sichuan province, southwestern China. This region has a monsoon-influenced humid subtropical climate with the four …

WhatsApp: +86 18221755073

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 ...

WhatsApp: +86 18221755073

Selective process route to recover magnetite from Sossego copper

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 ...

WhatsApp: +86 18221755073

Use of iron ore tailing from tailing dam as catalyst in a …

Fig. 2 shows the Möss spectrum of the tailing observed in natura and that obtained after its thermochemical treatment with methane (in the sample defined as the reduced calcined semi-sphere pellet – RCSSP). Three subspectra, i.e., two sextets and one duplet, could be fitted into the in natura spectrum of the tailing. The hyperfine …

WhatsApp: +86 18221755073

Map of the study area and the sampling sites

Sankey diagrams of the 10 most abundant microorganisms in each waste type are shown in Figure 6a. Gammaproteobacteria was the most abundant microorganism in tailing, Actinobacteria was mainly ...

WhatsApp: +86 18221755073

Comprehensive Assessment on Utilization of Iron Ore Tailing …

World is bestowed with self-sufficient magnetite and hematite iron ores. Huge volume of mining waste, namely iron ore tailings (IOT), is generated during …

WhatsApp: +86 18221755073

Intimate microbe-water-mineral interactions mediate …

The sampling area is located in Panxi area, Sichuan province, southwestern China. This region has a monsoon-influenced humid subtropical climate with the four seasons not obvious. ... Multiple heavy metal distribution and microbial community characteristics of vanadium-titanium magnetite tailing profiles under different …

WhatsApp: +86 18221755073

Extraction of Sc from Sc-Bearing V–Ti Magnetite Tailings | JOM …

Sampling. Sc-bearing V–Ti magnetite tailing samples containing 0.0039% Sc 2 O 3 were obtained from the Panzhihua area of China. Sc present in the form of Mg–Fe–Sc homomorphism in the enters common pyroxene, hornblende ((Ca, Na) 2–3 (Mg 2+, Fe 2+, Fe 3+, Al 3+) 5 [(Al, Si) 8 O 22] (OH) 2), and ilmenite.Although V–Ti …

WhatsApp: +86 18221755073

Bacterial community drives soil organic carbon …

With continuous mine exploitation, regional ecosystems have been damaged, resulting in a decline in the carbon sink capacity of mining areas. There is a global shortage of effective soil ecological restoration techniques for mining areas, especially for vanadium (V) and titanium (Ti) magnetite tailings, and the impact of phytoremediation techniques …

WhatsApp: +86 18221755073

Culturable Heavy Metal-Resistant and Plant Growth …

Four soil samples were collected in May 2013 to a depth of 0–20 cm from the tailing dam by a five-point sampling method. Soil samples, fully mixed in sterile …

WhatsApp: +86 18221755073

Community assembly and microbial interactions in an …

In Panzhihua, an estimated of 570 million tons of tailing slurries have been discharged cumulatively as result of mining activities in the vanadium-titanium magnetite mines (Zhu et al., 2021). As one of the earliest storage ponds, Majiatian tailing reservoir has been in operation since 1970 and stored around 180 million tons of tailings (Long ...

WhatsApp: +86 18221755073

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.

WhatsApp: +86 18221755073

Sampling sites and tailing samples | Download …

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 ...

WhatsApp: +86 18221755073

(PDF) Evaluate the Potential Bioavailability of Vanadium in …

Compared with the soil samples, the tailing sample extracted by single extractants has a lower available V content, which was 2.3% (DCB), 1.32% (HCl), 1.66% (HNO3) and 0.22% (C6H8O7) lower than ...

WhatsApp: +86 18221755073

Soil heavy metal pollution promotes extracellular enzyme …

Increasing demand of mineral resources has globally generated 5–7 billion tons per year of tailings on the earth's land surface (Edraki et al., 2014).The construction of tailing reservoirs is necessary to keep the environment from pollution, as unsafe tailing reservoirs tend to release pollutants, thus causing serious threats to the surrounding environment …

WhatsApp: +86 18221755073

The influence of seawater on magnetite tailing rheology

Magnetite tailing mineralogy. The mineral has been characterized by an external laboratory using a QEMSCAN system, featuring a retro-dispersed electron imaging (BSE) and X-ray dispersive energy spectra (EDS) to obtain semi-quantitative estimations of liberated mineral phases. ... and as standardized pre-shearing of the sample, a …

WhatsApp: +86 18221755073

Distribution and Phytoavailability of Potentially Toxic Metals …

The environmental risk of potentially toxic metals in tailing soils is of universal concern. We conducted a 3-month pot experiment to research the distribution and variations of potentially toxic metals (PTMs), and the translocation and accumulation capability of these metals (Cr, Ni, Mn, Cu, Zu) in natural plants for three Fe/Mg tailing soils (serpentine-type, olivine …

WhatsApp: +86 18221755073

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.

WhatsApp: +86 18221755073

Products

Useful link

Contact Us

0086-21-58386256
0086-21-58386258
[email protected]

Hot Products

Copyright © 2024.FIXIN All rights reserved.sitemap