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 soil analysis findings …

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 ...

Production of magnetite concentrate from iron …

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 ...

Trace Element Distribution in Magnetite Separates …

Representative magnetite samples separated from various geotectonic settings and rock-types, such as calc-alkaline and ophiolitic rocks, porphyry-Cu deposit, skarn-type, ultramafic lavas, black coastal sands, and …

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 polyethylene bags, were kept at room temperature in the dark. ... To assess if the heavy metal-resistance and plant growth promoter-producing bacteria in the Zhujiabaobao V-Ti magnetite ...

(PDF) Culturable Heavy Metal-Resistant and Plant Growth Promoting

Culturable Heavy Metal-Resistant and Plant Growth Promoting Bacteria in V-Ti Magnetite Mine Tailing Soil from Panzhihua, China. September 2014 ... Study site and soil sampling. Panzhihua (N26 u 05 ...

Rhizobia population was favoured during in situ …

Differential analysis of OTUs expressed as volcano plots. PG4, tailing sample before remediation, PG5 and PG6, samples after 1 and 2 years remediation respectively. ... Culturable heavy metal-resistant and plant growth promoting bacteria in v-ti magnetite mine tailing soil from Panzhihua, China. PLoS One, 9 (2014), Article e106618.

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 ...

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 ...

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 contamination from the utilization of vanadium and titanium magnetite tailings as an ecological reclamation substrate.

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 …

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. ... Particle size distribution of magnetite tailing sample.

The effect of magnetic intensity on the pre-discarding tailing.

A large number of unexploited low-grade vanadium-titanium magnetite deposits have been found in the Chao-yang area of China in recent years. The reserves are estimated at more than 20 billion tons.

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% average. It represents …

Sampling sites and tailing samples | Download …

Herein, a series of concentrations of V (V) (0-200 mg L-1) solutions were added to the vanadium‑titanium magnetite tailings at different depths separately to simulate the redistribution of...

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 group with samples ...

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% Fe 2 O 3, 83.36% SiO 2 and 0.44% Al 2 O 3 have been subjected to HCl digestion on a hot plate to extract the entire amount of Fe 2 O 3 as FeCl 3.A portion of extracted FeCl 3 solution has been used …

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% ...

Multiple heavy metal distribution and microbial community

Vanadium-titanium (V-Ti) magnetite tailings have caused great concern due to their safety hazards and environmental risks. However, the microbial community structure and the key geochemical factors of V-Ti magnetite tailing profiles under different management modes remain unclear. Therefore, we investigated the heavy metal distribution and the microbial community …

Recovery of magnetite-hematite concentrate from iron …

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 …

(PDF) Production of Heavy Media Quality Magnetite Concentrate …

XRD pattern of magnetite tailing sample. Table 1. Chemical analysis of magnetite tailing. Total Fe % SiO 2 % Al 2 O 3 % CaO % MgO % Na 2 O % K 2 O % S % TiO 2 % 41.40 19.05 1.40 9.20 4.50 0.03 0. ...

(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.

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.

Comparison of Sampling Methods for Investigation of …

Comparison of Sampling Methods for Investigation of Vanadium-titanium Magnetite Tailings Resources——Taking Hongge Tailings Pond as an Example[J]. Multipurpose …

Process effluents and mine tailings: sources, effects and

Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain. Mine tailings, consisting of process effluents that are generated in a …

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 the Sc concentrate …

(PDF) Characterization and Pre-Concentration of Low

In this study, a scandium concentrate with Sc2O3 content of 66.24 g/t was obtained from V-Ti magnetite tailings by physical concentration, and the main Sc-bearing minerals were augite and hornblende.

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 MIP test indicated that mercury intrusion volume in the activated sample with 20 % cement-replacement (T A20) was lower than ...

Culturable Heavy Metal-Resistant and Plant Growth …

teria from V-Ti magnetite mine tailing soil, with the aim of providing information for bioremediating the large area covered by the V-Ti magnetite mine tailing dam at Panzhihua. Materials and Methods Study site and soil sampling Panzhihua (N26u059,27u219, E101u089,102u159) in Sichuan, China, is an important industrial and mining base with abundant

Multiple heavy metal distribution and microbial community

Request PDF | Multiple heavy metal distribution and microbial community characteristics of vanadium-titanium magnetite tailing profiles under different management modes | Vanadium-titanium (V-Ti ...