[PDF] ARSENIC RESISTANT BACTERIA IN MINING WASTES FROM SHANGRAO COAL
A total of 32 arsenic resistant bacterial strains were isolated and identified from the mining wastes of Shangrao coal mine of China and analysis of 16S rDNA revealed that they belong to 4 different phylogenetic Clades. A total of 32 arsenic resistant bacterial strains were isolated and identified from the mining wastes of Shangrao coal mine of China. Twelve …
THE USE OF COAL-DERIVED WASTES AS A SOURCE OF …
Inevitably, coal mining and processing create significant volumes of waste products. In many. coal-producing countries, huge quantities have been generated and stored in …
(PDF) The impact of disposal and treatment of …
— In China, coal mining wastes have traditionally been dumped in cone-shaped heaps that have the potential to pollute air, soil and water environments and landscapes through dust generation,...
CHAPTER 10 MINING, MINERALS, AND THE …
234 Managing the Mining Environment 234 Large-Volume Waste 243 Mine Closure Planning 246 Mining Legacies 248 Environmental Management ... the best modern surface coal operations may leave behind sites at which casual observers may not even realize that mining has occurred.However,it is hard
Environmental impacts of coal mining and associated wastes…
Abstract Ever since the commencement of industrial-scale coal mining (in northeast England around 1600), substantial environmental impacts have been recorded as arising from both the mined voids and from the wastes left behind at the surface. In the ...
Mine Wastes: Characterization, Treatment and Environmental Impacts
— Request PDF | Mine Wastes: Characterization, Treatment and Environmental Impacts | This book provides a thorough, up-to-date overview of wastes accumulating at mine sites. It deals comprehensively ...
(PDF) Waste disposal in coal mining—a geotechnical analysis
— The disposal of waste products from coal beneficiation is a necessary consequence of the coal washing process and is thus of considerable concern to mining companies where improvement of coal ...
Waste management in the mining industry of metals ores, …
— Waste from coal mining is managed, however only in 44%. Among the waste related to coal mining and processing, the following types of waste are distinguished: …
(PDF) Coal mining waste is a valuable secondary raw …
— Correspondingly, it has produced large quantities of mining waste including coal gangue, coal sludge, fly-ash, coal mine drainage and coal-bed methane (CBM) that are hazardous to the soil, air ...
(PDF) Characterisation of coal-mine waste in solid backfill mining in China
— Characterisation of coal-mine waste in solid backfill mining in China March 2015 Transactions of the Institution of Mining and Metallurgy, Section A: Mining Technology 124(1):56-63
The impact of disposal and treatment of coal mining …
Using Dongtan (DT), Nantun (NT) and Xinglongzhuang (XLZ) coal mines as examples, the components of coal mining wastes and their potential pollution contribution to soil, …
(PDF) Evaluating Impacts of Coal Mining in South African environment…
— While the 1.5°C and 2°C scenarios anticipate a decrease in total primary energy consumption by 2050, they still maintain a dominant reliance on fossil fuels (particularly coal), accounting for ...
(PDF) Coal mining wastes valorization as raw …
— This article reviews the literature on the geochemical, geotechnical and structural engineering properties of coal mining waste geomaterials to assess their suitability as replacement for...
Distribution and environmental impact of coal-mining wastes …
— Abstract About 50 million tonnes/year of waste rock from coal-mining is generated in the limited area of the thickly populated Upper Silesian Coal Basin (USCB) in Poland. There are 380 coal-mining waste dumps, including 76 active dump sites covering over 2,000 ha. About 15-16 million tonnes/year of waste rock is being reused for civil …
Coal mining wastes valorization as raw geomaterials in …
— Historically coal mining wastes have been viewed as heterogenous and hazard-prone geomaterials. Given that failures of colliery tips and tailing dams are reported on a regular basis, reclamation of coal mining wastes from storage facilities is increasingly being considered. There is a resistance to the use of coal mining waste in construction …
(PDF) Distribution and environmental impact of coal-mining wastes …
There are 380 coal-mining waste dumps, including 76 active dumps covering 2166 ha in the Katowice district (State Inspectorate of the Environment Protection 1995). Up to the late seventies, the self-ignition of coal-mining waste dumps was a primary concern, and potential pollution of ground water was not considered important.
Extraction of sand from the complex matrix of coal mining dump waste…
— A larger overburden generation rate and, consequently, a higher volume of mining waste from removing valuable coal are both indicated by a higher stripping ratio in the case of the Indian coal mining sector (Sahoo et al., 2018). The Indian government's goal to boost coal production to 1 billion tonnes per year and the increased stripping ratio ...
Waste management in the mining industry of metals ores, coal…
DOI: 10.1016/j.jenvman.2021.114239 Corpus ID: 245097955; Waste management in the mining industry of metals ores, coal, oil and natural gas - A review. @article{Kalisz2021WasteMI, title={Waste management in the mining industry of metals ores, coal, oil and natural gas - A review.}, author={Szymon Kalisz and Katarzyna Kibort …
[PDF] Coal mining wastes valorization as raw geomaterials in
— This paper deals with the potential reuse of coal mine waste rocks (CMWR) as an alternative material for road construction to conserve the natural resources and …
Eliminating environmental impact of coal mining wastes and coal …
Coal mining wastes mainly include weathered coal, which is produced from coal weathering in coal surface mining. Before mining, coal exists in a water-saturated, oxygen-free environment, any disturbance to this environment such as a change in the water table depth, temperature, oxygen partial pressure or moisture content would result in changes ...
Use of Coal Waste as Fine Aggregates in Concrete Paving …
— The aim of this work was to study the use of coal waste to produce concrete paving blocks. The methodology considered the following steps: sampling of a coal mining waste; gravity separation of the fraction with specific gravity between 2.4 and 2.8; comminution of the material and particle size analysis; technological characterization of …
(PDF) Coal mining waste management and its …
— PDF | Sulfidic coal mining wastes constitute one of the the major global bulk waste stream and are extensively reused in engineering constructions.... | Find, read and cite all the research you ...
Distribution and environmental impact of coal-mining wastes …
About 50 million tonnes/year of waste rock from coal-mining is generated in the limited area of the thickly populated Upper Silesian Coal Basin (USCB) in Poland. There are 380 coal-mining waste dumps, including 76 active dump sites covering over 2,000 ha. About 15-16 million tonnes/year of waste rock is being reused for civil engineering purposes in the …
Coal wastes: handling, pollution, impacts, and utilization
— The coal mining industry creates hundreds of millions of tons of rock, waste coal, and cleaning waste streams comprising coal bed methane (CBM), coal sludge, fine …
The Challenges of Reusing Mining and Mineral-Processing Wastes
— Of this waste, up to (total waste with no production of prospective minerals) may be due to the mining or extraction method. Wastes produced during coal preparation (removal of undesired materials from coal through coal washing, crushing, screening, and dewatering) may reach 10 to 30% of raw coal; most of these wastes are …
(PDF) Mining Waste and Its Sustainable …
— The aim of this study was to analyze the dynamics of the research focused on mining waste and its sustainable management on a worldwide scale from 1988 to 2017. A systematic review and a ...
The Environmental Impact of Coal Mining and Extraction
Moreover, the disposal of mining waste, such as coal ash and slurry, poses additional threats to ecosystems. Improperly managed waste can leach contaminants into nearby water bodies, affecting aquatic life and potentially entering the food chain. The environmental impact of coal mining extends to human health, particularly for communities
(PDF) Effect of activated coal mining wastes on the …
Download Free PDF. Effect of activated coal mining wastes on the properties of blended cement. Moisés Frias. 2012, Cement and Concrete Composites. See full PDF download Download PDF. Related papers. The Influence of Activated Coal Mining Wastes on the Mineralogy of Blended Cement Pastes.
Brick production and characterization containing coal mining waste
— Request PDF | Brick production and characterization containing coal mining waste | Mine operations generate millions of tons of waste, which poses a severe threat to environmental pollution and ...
[PDF] Soil properties in reclaimed farmland by filling …
— The results implied that soil catalase activity in NSA and ureases activity in the 20–40 cm soil layer of NSA and OSA were significantly enhanced after vegetation restoration, and that long-term plant restoration could improve soil fertility and soil microbial community diversity in coal mining areas.
(PDF) The impact of disposal and treatment of coal mining wastes …
— PDF | In China, coal mining wastes have traditionally been dumped in cone-shaped heaps that have the potential to pollute air, soil and water... | Find, read and cite all the research you need on ...
Potential resources from coal mining and combustion waste …
— Coal production presents major sustainability challenges as it continually generates large amounts of waste, in addition to previously accumulated waste that have flow-on adverse effects on society and the environment. We have explored some of the opportunities for repurposing, reusing, reprocessing or recycling discards of the coal …
Coal mining wastes valorization as raw geomaterials in …
— As the construction industry around the globe seeks to reduce its carbon emissions by looking for supplements for cement, the voluminous amount of coal mining …
(PDF) Potentiality of coal mining waste to obtain geopolymers
PDF | On Apr 22, 2024, L. Simão and others published Potentiality of coal mining waste to obtain geopolymers | Find, read and cite all the research you need on ResearchGate
A systematic review exploring the utilization of coal mining …
— Surface/open cast mining and deep underground mining are considered two basic methods for coal extraction globally. The rising trend of coal mining activities has resulted in the accumulation of mining and processing wastes with low carbon levels over the past few decades [6]. Fig. 1 presents different life cycle stages of coal with details of …
Recycling utilization patterns of coal mining waste in China
— Fly-ash and coal gangue are the two main industrial solid waste in China. The chemical compositions (shown in Table 1) were SiO 2, Al 2 O 3, Fe 2 O 3 and some impurities. As the coal gangue is main solid waste for coal mining, one of the most common approaches to waste rock is to stack construction that encapsulate the most pyrite rich …