· Shaping the holistic view of recovery satisfaction in e-tailing via service failure recovery and e-tailing ethics The logistical view of recovery satisfaction emphasizes the importance of gaining efficiency over e-tailing logistics to proactively improve product availability, product condition, billing accuracy, and delivery timeliness to avoid service
Consulta
· A study was conducted for metal recovery from low-grade copper sulfide tailings using the leaching and fractional precipitation methodology. Mineralogical characterization of the materials shows that the primary weight proportions of pyrite minerals, silicate minerals, and quartz in tailing are 31.50%, 38.85%, and 15.06%,
Consulta
· Abstract In this paper, a novel method to recover iron from iron ore tailing (IOT) was studied. The method was induced with carbothermic reduction, followed by magnetic flocculation separation (MFS) and conventional magnetic separation (CMS). The effects of reduction temperature, as well as the amount of coal and sodium carbonate on
Consulta
During production of calibrated (sized) ore, more than 50 % of the generated fines and rejects (Slimes) cannot be directly utilised in iron making due to its unfavourable granulometry, low iron content, high alumina and silica content. Approximately 10–20 % of the process plant input is discarded as slimes into slime ponds/tailing dams. Tailing
Consulta
· Apatite ore plays a critical and irreplaceable role in fertilizer production and is being upgraded in quality in northern Vietnam. The old tailing of the Bac Nhac Son beneficiation plant (Vietnam) has a significant apatite amount in the form of coarse unliberated particles. These millions of tons of tailing ore have 6–8% of P2O5 content,
Consulta
· Additionally, the basis for mineralization in geologically derived minerals and industrial wastes has been discussed (Hills et al., 2021) as well as the feasibility of combining the recovery of valuable components in certain tailing deposits with the ex-situ 2
Consulta
2. The results showed that the grade of Cu in froth concentrate was increased from 0.24 mass% to 0.81 mass% with the enrichment ratio of 4, whereas the Cu recovery reached 60% under the conditions (pH 10, sulfurizing reagent: 1000 g/t, collector of PAX: 100 g/t, frother of MIBC: 200 g/t and ・Ptation time: 5 minutes).
Consulta
· The key challenges in the recovery of strategically important critical minerals from mine tailings are technical, economic and environmental. These challenges have some underlying factors that can have direct influences with the recovery processes. The challenges and their interdepending factors are shown in Fig. 3.
Consulta
· The path to energy transition requires high amounts of critical minerals such as lithium, cobalt, and copper, all of which involve water-intensive extraction processes. From this perspective
Consulta
· Abstract. Vanadium contained tailing generated from the typical calcium roasting-acid leaching process is contaminant and waste of resource. Atmospheric and pressurized leaching were conducted and compared to recover the vanadium from the vanadium tailing and improve the tailing's environmental quality. Orthogonal
Consulta
· Tailing storage facilities (TSF), also called tailing deposits, are the source of most mining-related disasters (Schoenberger, 2016). Approaches to the handling and storage of mine tailings include riverine disposal, wetland retention, backfilling, dry stacking and storage behind damned impoundments (Kossoff et al., 2014).
Consulta
A multivariate statistical method called the least squares support vector machine (LS-SVM) was employed to perform the element-to-mineral conversion. The results show that such data integrations enable on-stream and quantitative identification of slurry mineral contents, especially for scheelite, wolframite, fluorite and calcite, which are essential minerals in
Consulta
· In order to evaluate the potential of recovering various valuable elements from vanadiferous titanomagnetite tailing (VTMT), the chemical and process mineralogical characterization of VTMT were investigated in this study by various analytical techniques such as XRF, XRD, optical microscopy, SEM, EDS, and AMICS. It was found that VTMT
Consulta
· Fig. 1 displays the diffraction pattern of manganese ore waste. Observe that the waste is composed mainly of the manganese minerals of rhodochrosite (MnCO 3) and spessartine [Mn 3 Al 2 (SiO 4) 3].The sample consists of quartz (SiO 2), manganocummingtonite [Mn 2 (Mg,Fe,Mn) 5 Si 8 O 22 (OH) 2], birnessite [Na 4 (MnO 2)
Consulta
There are 740 tailings deposits throughout Chile, 13% of which are active, 23% abandoned and 64% inactive, which translates into 6.500 million cubic meters of tailings, mostly associated with the copper mining industry. On the other hand, for some years it has been possible to identify that the use of this mining liability as a secondary mining
Consulta
· In recent years, because of the environmental protection issues and exhaustion of iron ore resources, recovery of iron form iron-bearing tailing has become a focus of solid waste recycling. Many technologies such as reduction magnetization roasting [1], [20], [21], [22], direct reduction roasting [23], acid leaching [24] and flotation [25] have
Consulta
· In this study, the possibility of copper recovery from flotation tailing of Mazraeh copper mine was investigated. Magnetic separation method was used for concentration of non-magnetic minerals, especially copper bearing minerals, from iron minerals. As a result, copper grade increased up to 0.18% and its recovery reached
Consulta
Magnetic separation recovery mine tailing technique is regrinded the present invention relates to a kind of fine grinding magnetic separation roasting, it is characterized in that using three stages of magnetic separation, three sections of cyclone closed circuit grinding
Consulta
CN201192659Y-Harrow suction type iron tailings recovery machine underwater-Google Patents Harrow suction type iron tailings recovery machine underwater Download PDF Info Publication number CN201192659Y CN201192659Y CNU2008200719081U
Consulta
· Data pre-processing is purposely kept maximally identical to that employed in Zhang et al. (2023), which used the Rasterio and GEEMAP Python libraries (Wu et al., 2019; Wu, 2020).The only change from Zhang et al. (2023) in our data pre-processing methodology for machine learning-based predictive modelling is that we employed a
Consulta
The utility model provides a machine is retrieved to iron mineral tailing, belongs to mine mineral processing equipment technical field for retrieve magnetic mineral in mine tailing. Its technical scheme is: inverter motor passes through speed reducer, pinion, the
Consulta
· Phase mixing was achieved using a thermostatic shaking machine set to 1500 vibrations per minute (vpm), at 21 ± 1 C. Unless stated otherwise, the organic:aqueous (O:A) phase ratios were 1:1. The mixing times were: 1 min for Cyanex 923, 45 min for TODGA, and 30 min for DEHPA and Cyanex 572.
Consulta
· For example, 90% REE recovery from roasted bastnaesite was achieved using hot water leaching at 75 C [106]. With mixed REE minerals, water leaching can dissolve roasted products like REE chlorides, while lower-solubility slag
Consulta
Mine tailings are a major 7 environmental issue due to implications related to their handling and storage. 8 Depending on the mined ore and the process used, it may be possible to
Consulta
The study presented in this paper includes the analysis of four tailings samples, three of which are fresh tailings, and of samples taken from different points of a tailings dam out
Consulta
· 3.2.3. Mass balance. A mass balance was performed with the amounts of Ga before and after the extraction experiments, and it was found that although the percentage of Ga recovered was about 100%, the amount of Ga recovered from 5 g of iron tailing is low (65 ± 2.23 μg) ( Table 6 ).
Consulta
Depending on the material, more than 90% of the process water can be recovered using centrifuge technology. It can be reused in the mineral processing operation and will increase the water efficiency of the whole mining community. This paper presents the results of actual projects in Brazil and Peru.
Consulta
· Development of mineral resources and the increasing mining waste emissions have created a series of environmental and health-related issues. Nowadays, the ecological restoration of mining tailings has become one of the urgent tasks for mine workers and environmental engineers all over the world. Aim of the present paper is to
Consulta
· Oil sludge mainly contained clay minerals. Through the co-extraction experiment of different proportions of oil sludge and tailings, we can get the best condition of blending extraction. The results showed that m (tailing oil sands): m (oil sludge) = 0.5, v (solvents): m (sample) = 2, temperature 60 °C and contact time 20 minutes were the
Consulta
· Plug leaching for efficient recovery of heavy metals, uranium, rare earth elements. • Separation of heavy metals by precipitation pH control and using NH 4 OH or (NH 4) 2 S. • Enrichment of U(VI) and REEs(III) by sorption/desorption on magnetic resin. • •
Consulta
Trituradora de piedra vendida por proveedores certificados, como trituradoras de mandíbula/cono/impacto/móvil, etc.
OBTENER COTIZACIÓN