Tailings microbial community profile and prediction of its …
This work aims to assess microbiological and chemical spatial distribution within two tailing basins from a tungsten mine, using a MiSeq approach targeting the 16S rRNA gene, to relate microbial ...
Geochemical behaviors of antimony in mining-affected …
Antimony (Sb) is a harmful element, and Sb pollution is one of the typical environmental issues in China, meaning that understanding of the geochemical behaviors of Sb is the key to control the fate of environmental Sb pollution. Sb tends to migrate in soluble form in the water–sediment system, but the fate of dissolved Sb is poorly known. …
The behavior of arsenic and antimony at Pezinok mining site …
Arsenic and antimony contamination is found at the Pezinok mining site in the southwest of the Slovak Republic. Investigation of this site included sampling and analysis of water, mineralogical analyses, sequential extraction, in addition to flow and geochemical modeling. The highest dissolved arsenic concentrations correspond to …
Correlating microbial community profiles with
Correlating microbial community profiles with geochemical conditions in a watershed heavily contaminated by an antimony tailing pond ... More reduced environments with negative Eh in deeper sediments were observed in all sampling site, allowing us to characterize the microbial communities in reduced environments. The …
Sustainable Applications for Utilizing Antimony Tailing …
The chemical composition and mechanical properties of antimony tailing waste rock (ATWR), quality of antimony tailing coarse aggregate (ATCA), and leaching …
Strength and Durability Properties of Antimony Tailing …
The major aim of this study is to investigate the feasibility of utilizing antimony tailing coarse aggregate (ATCA) as a complete substitute for natural coarse aggregate (NCA) in high-strength concrete.
Influence of reducing conditions on the release of antimony …
Here, sediment contaminated by historical tailing slurry from an antimony (Sb) mine was incubated with sodium ascorbate solution (SAS), so as to gain insights into the remobilization of Sb and arsenic (As) under reducing conditions.
Heavy metal pollution and ecological risk assessment of
The study area and the locations of the sampling point sites ... providing evaluation criteria for the pollution identification indicators of antimony tailing ponds.
Draft Genome Sequence of Stenotrophomonas sp. Strain …
The antimony-oxidizing Stenotrophomonas sp. strain SbOxS2 was isolated from stibnite mine tailing soil. The draft genome sequence of strain SbOxS2 comprises 4.76 Mbp with 4,211 predicted protein-coding sequences. This genome will provide useful information for characterizing the molecular mechanisms associated with heavy metal …
Study on the mechanism of rapid degradation of Rhodamine …
Fe/Cu@antimony tailing particles are both electrodes for electrochemical oxidation and catalysts for Fenton oxidation. The degradation effect of RhB remained at 94% after 6 cycles, and the leaching rates of Fe and Cu are only 1.20% and 0.79%, indicating that Fe/Cu@AT had significant stability. This work provides a new insight into …
Leaching Mechanism and Health Risk Assessment of As and …
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, ...
Sustainable Applications for Utilizing Antimony Tailing …
In this research, the sustainable applications for utilizing antimony tailing coarse aggregate (ATCA) in concrete is investigated. Comprehensive verifications were …
Original Research Stability and Remediation of Typical …
Tailing samples were collected from the Qing Long and Du Shan antimony mines in Guizhou Province. Du Shan antimony mine is under exploitation and utilization, its tailings have been treated accordingly and vertical distribution is relatively uniform, so one tailing sample was collected by mixing point sampling method.
Pollution and risk assessment of heavy metals in …
The sampling site of Zuoxiguo antimony mine was established, with water flowing in the tailing direction of the mine (Figure 1). Sample collection and treatment The tailings samples were selected ...
Study on the mechanism of rapid degradation of
We successfully constructed a new catalytic particle electrode based on antimony tailing microsphere by growing Fe/Cu particles on the surface of antimony tailing microsphere by ultrasonic immersion calcination method.
Uchi Tailing Dam (TD26). (A, B) Photographs showing
Download scientific diagram | Uchi Tailing Dam (TD26). (A, B) Photographs showing compacted slurry on tailings, and gullies formed by water during the rainy seasons. The images: Leonce, June 2021.
Identification of Antimony- and Arsenic-Oxidizing …
258 HAMAMURA et al. To gain insight into microbial roles in the dynamics of Sb and As in soil water environment, we examined soils from antimony (stibnite: Sb2S3) mine tailing (Ichinokawa, Ehime ...
Strength and Durability Properties of Antimony Tailing …
Antimony (Sb) is a trace element applied widely in modern industry. A large number of tailing solid wastes are left and accumulated in the mining area after purifying the precious antimony from the antimony ores, causing serious pollution to the environment. The major aim of this study is to investigate the feasibility of utilizing …
Comparison of arsenic and antimony biogeochemical
Plants and corresponding samples of tailings were collected from 6 tailing heaps with different heaped time (Fig. 1, SM Table S3). Samples of tailings were sampled at both the top and the bottom of each tailing heap. Samples of plants included most of the wild plants observed to grow on tailings. 2.3. Preparation of sample and analytical methods
Identification of Antimony- and Arsenic-Oxidizing …
Sample collection and chemical analysis Soil samples were collected in October 2009 from Ichinokawa mine (Ehime, Japan) tailing areas (33°53'20.4"N, 133°12'51.6"E), which was formerly one of the largest Sb (stibnite: Sb2S3) mines in the world (6, 29). The sampling sites were located approximately
Toxics | Free Full-Text | Leaching Mechanism and Health Risk …
In contrast, the Qinglong antimony mine is surrounded by mountains, while the middle is a basin where heavy metals are more likely to migrate and diffuse downwards and are less likely to migrate over long distances. A total of one tailing sample was collected . Each sample was marked with a marker pen, and the location of every …
Microbial diversity and community structure in an …
Site information, sample description, and sampling procedure The Xiaohe Sb tailings pile is located in Dushan County, ... boundary of antimony tailing pond (color figure online)
Microorganisms | Free Full-Text | Rhizosphere Microbial …
Antimony (Sb) and arsenic (As) are two hazardous metalloid elements, and the biogeochemical cycle of Sb and As can be better understood by studying plant rhizosphere microorganisms associated with Sb mine waste. In the current study, samples of three types of mine waste—Sb mine tailing, waste rocks, and smelting slag—and …
Strength and Durability Properties of Antimony Tailing
The major aim of this study is to investigate the feasibility of utilizing antimony tailing coarse aggregate (ATCA) as a complete substitute for natural coarse aggregate (NCA) …
Microbial diversity and community structure in an antimony …
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 concentrations. Besides the geochemical analyses, microbial …
Geotechnical Properties of Mine Tailings | Journal of …
The engineering properties of tailings are important for the safety evaluation and engineering design of tailing dams. In the present study, laboratory experiments were performed to investigate the geotechnical properties of four different tailings, including two iron tailings (coarse and fine) and two copper tailings (coarse and fine).
Distribution and phytoavailability of antimony at an …
Distribution and phytoavailability of antimony at an antimony mining and smelting area, Hunan, China ... Field sites and sample collection The study area, Xikuangshan Sb mine and its ... tailing waste from the concentrating mill. …
Fate and removal of antimony in response to stringent …
When tailing spill accidents occur, the risk of contamination by antimony (Sb) tailings into adjacent rivers, sediments, aquifers and soil environments is high.
Heavy metal pollution and ecological risk assessment of …
tailing ponds. The Qinglong antimony mine is one of the three largest antimony ores in the world, enriched with antimony ore re-sources, and its associated mineral resources include As, Cu, ... Sample collection The area farthest …
Strength and Durability Properties of Antimony Tailing …
Antimony (Sb) is a trace element applied widely in modern industry. A large number of tailing solid wastes are left and accumulated in the mining area after …