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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
Among the sampling locations, T1 was located at tailing dam nearby the slurry outlet, T2-T4 were located nearby Ashuda village where farming activities took place, T5 and T6 were close to the spigot for discharging the tailing slurries from the mining operation, and T7 was the only accessible location in the west shore of tailing area. At …
Request PDF | Multiple heavy metal distribution and microbial community characteristics of vanadium-titanium magnetite tailing profiles under different management modes | Vanadium-titanium (V-Ti ...
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% …
[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 ...
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 …
This study confirmed the expected geochemical and mineralogical changes in the magnetite Fe-ore tailings induced by BOM amendment, providing a fundamental …
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 ...
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 ...
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. ...
Waste magnetite tailing (WMT) is one of the main tailings produced in China, where approximately 25 million tonnes of WMT are generated annually [5]. ... mixed with 1.0 % Na 2 SO 4 and 1.2 % Na 2 SiO 3 ˑ9 H 2 O of the CGC, the compressive strength (CS) of mortar sample containing CGC in 28-days and 180-days reach 52.3 MPa and …
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.
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 …
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 ...
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...
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 …
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 …
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 ...
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 …
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 …
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.
Sampling. Sc-bearing V–Ti magnetite tailing samples con-taining 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 ...
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 ...
To provide a basis for using indigenous bacteria for bioremediation of heavy metal contaminated soil, the heavy metal resistance and plant growth-promoting activity of 136 isolates from V …
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 …
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 …
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% (HNO 3) and 0.22% (C 6 H 8 O 7) lower than the available V content in the soil samples, respectively. Furthermore, the correlation between soil properties and available V …
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 …
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.
The utilization of vanadium-titanium magnetite tailings as soil represents a viable strategy for achieving extensive depletion, while simultaneously fostering …