I worked in antimony/gold deposit and flotation plant. In tailings/flotation slimes we had 0.18 gpt of antimony and 0.35 gpt of gold. In some cases we got 3.5 gpt off gold (heavy fraction from manual panning.
ادامه مطلب
The method for the recovery of gold from its flotation concentrate using acidic thiourea leaching followed by adsorption on an organosilicon polymer (PSTM-3C) was discussed in the present study.
ادامه مطلب
The high-volume, fine grained tailings produced from Pb/Zn ore processing need to be carefully managed. Metalloid elements, As and Sb, are present in …
ادامه مطلب
Comparison of arsenic and antimony biogeochemical behavior in water, soil and tailings from Xikuangshan, China
ادامه مطلب
In order to recover antimony from tailings, gravity separation and flotation methods were applied. Different flotation flowsheets were performed for considering the number of
ادامه مطلب
The following studies present the different methods of REE recovery and/or co-extraction including: i) in-situ leaching from mine tailings; ii) leaching and co-extraction from ores; iii) bioleaching from mine tailings and iv) immobilization from AMD and potential recovery from sludge. 4.1. In-situ leaching from uranium ore/tailings
ادامه مطلب
The weathering and leaching of mining tailings have released large amounts of antimony (Sb) and arsenic (As), causing serious pollution in the surrounding soil, water, and sediments. To understand the leaching characteristics of Sb and As in mining tailings, Zuoxiguo and Qinglong mining tailings were collected for analysis. The …
ادامه مطلب
Semantic Scholar extracted view of "High value-added resource treatment of antimony tailings: preparation of high-strength lightweight concrete materials" by Feng Wu et al.
ادامه مطلب
This study was conducted to 1) comprehensively evaluate the potential risk of heavy metals in the tailings; 2) elucidate the leaching behavior and mechanism of heavy metals from the mine tailings under different rainfall conditions using batch and semi-dynamic leaching experiments; 3) quantify the leaching amounts of heavy metals from …
ادامه مطلب
Although similar geochemical behaviors of arsenic (As) and antimony (Sb) in the environment has been assumed and widely reported, growing evidence suggests the two elements cannot, under some conditions, be assumed to behave similarly. In this four-year study (samples collected in each year), compar …
ادامه مطلب
Antimony ore tailings slag was used analyze heavy metals, chemical speciation, and leaching characteristics. The results show that the residual silicate phases account for 65.44% of Sb, 77.22% of ...
ادامه مطلب
Preferential flotation of antimony before gold is being used in a Sb-Au plant in Qinghai province.Because of high oxidation and severe argillation,gold concentrate grade and the recovery rate are very low.In order to enhance the recovery of gold,CIL gold extraction test is carried out on antimony flotation tailings,with gold leaching rate reaching …
ادامه مطلب
This paper analyzes heavy metal content in the soil of abandoned tailings and dominant plants, and absorption and bioconcentration capability as well as cumulative characteristics of the four kinds of dominant plants such as Phragmites australis, Typha angustifolia, Miscanthus sinensis, Equisetum fluviatile for heavy metals Pb, Zn, Sb, Cu, …
ادامه مطلب
SEDIMENTS, SEC 2 • PHYSICAL AND BIOGEOCHEMICAL PROCESSES • RESEARCH ARTICLE Influence of reducing conditions on the release of antimony and arsenic from a tailings sediment
ادامه مطلب
The antimony tailings powder was used as the main raw material to prepare lightweight concrete materials based on antimony tailings powder with the addition of cement, activator, coagulant and ing agent, thereby realizing the solidification and stabilization of heavy metals in antimony tailings and resource utilization.
ادامه مطلب
In this research, the sustainable applications for utilizing antimony tailing coarse aggregate (ATCA) in concrete is investigated. Comprehensive verifications were performed by a series of experiments on the characteristic of ATCA and the toxicity risks ...
ادامه مطلب
The aqueous speciation and mineralogy of antimony (Sb) in waters and tailings at Beaver Brook antimony deposit have been analyzed to understand Sb mobility during the initial stages of stibnite ...
ادامه مطلب
To assess the impact of antimony (Sb) on microbial community structure, 12 samples were taken from an Sb tailings pile in Guizhou Province, Southwest China. All 12 samples exhibited elevated Sb concentrations, but the mobile and bioaccessible fractions were small in comparison to total Sb concentrat …
ادامه مطلب
This has sparked efforts to find secondary sources of antimony either through the recycling of end-of-life products or by recovering antimony from industrial …
ادامه مطلب
Semantic Scholar extracted view of "Comparison of arsenic and antimony biogeochemical behavior in water, soil and tailings from Xikuangshan, China." by Z. Fu et al.
ادامه مطلب
One of the advantages of cement and the cement concrete industry in sustainability is the ability to utilize large amounts of industrial solid wastes such as fly ash and ground granulated blast furnace slag. Tailings are solid wastes of the ore beneficiation process in the extractive industry and are available in huge amounts in some countries. This paper …
ادامه مطلب
Highlights • Strategically important critical minerals (SICMs) recovery from tailings is reviewed. • Abandoned mine tailings have higher concentration of SICMs …
ادامه مطلب
The continuous exploitation of global mineral resources leaves ever increasing tailings, which leads to the accumulation of antimony tailings and causes antimony pollution accidents.
ادامه مطلب
Tailings management is typically easier, at least physically, in dry climates, where advantage can be taken of desiccation (that is, drying by exposure to the wind and sun) to naturally dewater, increase the density of the tailings and strengthen the tailings.
ادامه مطلب
The aqueous speciation and mineralogy of antimony (Sb) in waters and tailings at Beaver Brook antimony deposit have been analyzed to understand Sb mobility during the initial stages of stibnite (Sb 2 S 3) weathering in a near-surface environment.Dissolution of stibnite in oxidizing conditions releases Sb in drainage water …
ادامه مطلب
Mine tailings deposits are often overlooked by the industry, posing significant environmental challenges due to chemical hazards and inadequate …
ادامه مطلب
Semantic Scholar extracted view of "Investigation into the semi-dynamic leaching characteristics of arsenic and antimony from solidified/stabilized tailings using metallurgical slag-based binders." by Wei Gao et al.
ادامه مطلب
Request PDF | On Oct 1, 2023, I.T. Burke and others published Antimony and arsenic behaviour in lead/zinc mine tailings during storage under vegetation cover | Find, read and cite all the research ...
ادامه مطلب
Influence of reducing conditions on the release of antimony and arsenic from a tailings sediment Sediments, Sec 2 • Physical and Biogeochemical Processes • …
ادامه مطلب
The production process of antimony produces a large amount of solid waste, such as waste rock in mining, tailings in the beneficiation, metallurgical slag in the smelting, and so on. At present, most of these solid wastes are currently in storage, and the storage of a large amount of solid wastes is not only harmful to the local ecological …
ادامه مطلب
The leaching characteristics of metallurgical slag-based binders (MSB) solidified/stabilized tailings containing arsenic (As) and antimony (Sb), were investigated via a series of semi-dynamic leaching tests using three kinds of leachant, for the simulation of actual leaching conditions. The effectiv …
ادامه مطلب
The proven global tin reserves were reported to be approximately 4.7 million tons (Mts) in 2016, and among these resources, only approximately 2.2 Mts can be recovered economically. The original tin deposits will be exhausted in several years, therefore, tin-bearing secondary resources, such as tin alloy, tin anode slime, e-wastes, …
ادامه مطلب