(PDF) Study on the Effect of Flocculation and …

To improve the settling effect of tailings accumulation in the Chengchao iron ore mine (China), the effect of iron tailings flocculation and settling law on the mechanical properties of tailings ...

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Current situation and comprehensive utilization of iron ore …

The situations, characteristics, and status of iron ore tailing resources in China are presented. The approaches of comprehensive utilization of iron ore tailings have been …

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Bibliographies: 'Tailings reservoir' – Grafiati

Academic literature on the topic 'Tailings reservoir' Author: Grafiati. Published: 19 June 2021 Last updated: 1 February 2022 Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles. Select a source type: Book ...

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Iron Ore Tailings: Characterization and Applications

Keywords: iron ore tailings, mining waste, iron oxide, technological application. 1. Introduction. Iron is the fourth most abundant . element and accounts for about 5% of . the Earth's crust ...

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Analysis of rock deformation caused by underground mining …

In metal mines, ground deformation is influenced by many factors, such as geological structure, in situ stress, existence of ore bodies, the hydrogeological conditions, and the method of mining ...

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Subsidence features at China's Chengchao iron ore mine

Download scientific diagram | Subsidence features at China's Chengchao iron ore mine. Image courtesy of Google Earth, taken in 2018. from publication: Review on the Development of Mining Method ...

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Engineering geology and ground collapse mechanism in the Chengchao Iron

However, as the Chengchao Iron Mine adopts the sublevel caving method without sill pillars, the overburden strata are subject to caving when the underground orebodies are extracted. It should be noted that the overburden strata above the underground orebodies generally belong to the high water-bearing rock type and karst …

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Initial Study on Ecological Restoration of Chengchao Iron Mine Tailings

Iron ore tailings Chengchao test points, its reclamation vegetation restoration ecology research, studies have shown that: iron ore tailings ground introduced legumes locust purposes of comparison is good ecological restoration strategies. The introduction of the soil seed bank is conducive to the invasion and settlement of pioneer plant.

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Zhejiang Lizhu Iron tailings mine. | Download Scientific …

Comparing 2020, the new resources increased by 45,597 million tons of coal, 5246 million tons of iron ore, 68,730,900 tons of manganese ore, 7,934,900 tons of copper, and 21,357,800 tons of lead ...

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Environmental pollution and human health risk due to tailings …

The findings reveal that (i) Cd, Pb, and Hg are the prominent pollutants across the non-failed TSF sites in China; (ii) lead‑zinc and tungsten mine tailings storage sites exhibit the most severe pollution; (iii) Pb, Cd, and Ni present noteworthy non-carcinogenic risks to human health; (iv) >85 % of TSF sites pose carcinogenic risks …

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Stabilisation of iron mine tailings through biocalcification

Mine tailings consist of fine-grained particles that are deposited into large impoundments. Seasonal temperature and moisture fluctuations can result in dust emissions, an environmental hazard. Accordingly, there is a need for efficient and economical means for controlling dust emissions. Biogeotechnics provides one …

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AEROCRETE MADE WITH LOW SILICON TAILINGS OF …

The experimental study on the tailings from Chengchao Iron Ore Mine has been introduced briefly, By analyzing the chemical and mineral compositions of Chenchao …

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Speciation Distribution and Influencing Factors of Heavy …

rhizosphere environment of the large iron polymetallic tailings reservoir area, in order to provide a theoretical basis for better vegetation restoration and pollution control of the tailings ...

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Mechanical Properties of Li10.35Ge1.35P1.65S12 with

The tailings were sampled from Yangjiawan tailing reservoir of Chengchao Iron Mine, and the moisture content test, particle size distribution analysis and scanning electron microscope test (SEM ...

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Experimental Study on the Mechanical Properties …

The main purpose of this study is to obtain the gradation of sand samples with the best shear strength and seepage effect by studying the influence of particle size on the mechanical properties of saturated …

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Accidental Water Pollution Risk Analysis of Mine Tailings …

1. Introduction. Industrial mining activities occur in almost every part of the world [].Tailing dams contain liquids (toxic, hazardous, or even radioactive) which are pollutant sources of great damage risk to humans, the environment, and ecosystems [].Worldwide, at least 63 major tailings dam failures were reported that caused …

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Intimate microbe-water-mineral interactions mediate …

Other than acid mine drainage, mining and processing activities can also cause environmental alkalization via mineral or solid waste weathering, which presents a major long-term environmental challenge. This study explored the intimate microbial-mineral-water interactions in two pyroxene-rich iron mines in the Panxi Area, China.

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Mine tailings dams: Characteristics, failure, environmental …

Tailings are mixtures of crushed rock and processing fluids from mills, washeries or concentrators that remain after the extraction of economic metals, …

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Influence of Underground Mining on Surface Tailings Pond

In this study, the eastern area of Chengchao iron mine was selected as an example, and monitoring results were achieved by 3D laser scanning and GPS …

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Chi Zhang's research works | University of Science and …

For the CTB system, total tailings are used [15], which can solve the problems of land occupation by surface tailings reservoir ... Taking the Chengchao Iron Mine as the engineering background, ...

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(PDF) Fuzzy Comprehensive Evaluation of Ecological Risk

A practical example in Chengchao Iron Mine evidenced that, the assessments results can reflect actual situations appropriately and provide a new theoretic guidance for comprehensive ecological ...

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Experimental Study on the Mechanical Properties …

The tailings were sampled from Yangjiawan tailing reservoir of Chengchao Iron Mine, and the moisture content test, particle size distribution analysis and scanning electron microscope test (SEM ...

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The Evaluation of Land Ecological Safety of Chengchao Iron Mine …

An assessment model of land ecological quality (LEQ) and its indicator system were established from the viewpoint of landscape ecology.Taking the coal mining area in Jiawang as the case studythe ...

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AEROCRETE MADE WITH LOW SILICON TAILINGS OF CHENGCHAO IRON ORE MINE

The experimental study on the tailingsfrom Chengchao Iron Ore Mine has been introduced briefly. By analyzing the chemical and mineral composi tions of Chenchao Iron Ore. the technological process has been constituted. According to the comparison experiments, the optimal proportion of cement and time. dosage of the additional silicon-materials, …

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Environmental pollution and human health risk due to …

The findings reveal that (i) Cd, Pb, and Hg are the prominent pollutants across the non-failed TSF sites in China; (ii) lead‑zinc and tungsten mine tailings …

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Experimental Research on the Performance of Cemented Whole-tailings

Mine filling can protect the limited land resources,save expenditure,realize no wastes emission and eliminate the potential hazards.The mixing proportion experiment of filling material which consisted of the full tailing taken from the Chengchao iron mine as the aggregate and the common 425# cement as the cementing was carried out.The …

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Experimental Research on the Performance of Cemented Whole-tailings

Key takeaway: 'The compressive strength of mine filling material is positively correlated with cement-sand ratio, age, and slurry concentration, enabling efficient mine filling and reducing environmental impact.' ... Experimental Research on the Performance of Cemented Whole-tailings Filling Material in Chengchao Iron Mine. Mei Linfang. 2012 ...

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Assessment of Potentially Toxic Elements Pollution and …

Behaviors such as open-pit mining will produce tailings ponds and abandoned mines, bringing PTEs pollution to the soil [4]. Some studies have also shown ... Chengchao iron mine is located at 114°32′~115°05′ east longitude and 30°00′~30°06′ north latitude. The Chengchao iron mine project was completed and began operating in

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