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Beneficial uses of coal gangue include power generation, and as a component for construction materials, e.g. cement, brick, concrete and other places (Liu …
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Complementary advantages of spent pot lining and coal gangue in the detoxification and valuable components recovery process
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The coal industry is an important pillar industry of economic development in China, with coal mining produced a lot of coal gangue, which is occupied land, and pollution of the environment, and the production and life of coal-producing areas have been seriously affected, coal gangue has become a heavy burden restricting the sustainable …
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The environmental geochemistry of trace elements and naturally radionuclides in a coal gangue brick-making plant. Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review. Overview; 34 Scopus Citations. Scopus Metrics
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The environmental geochemistry of trace elements and naturally radionuclides in a coal gangue brick-making plant. Sign in | Create an account. https://orcid ...
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This study aims to quantify the environmental impacts associated with the application of coal gangue (CG) in earthworks by performing carbon footprint analysis (CFA) and cost analysis (CA). ... highway (18° 38′ 33.3″N 79° 23′ 24.7″E) has been considered for CFA analysis. CFA has been performed in four stages. In the first stage, …
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Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production [].The accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area [].Heavy metals …
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Coal gangue has become one of the industrial wastes with the largest annual discharge and accumulated stock in China. The disorderly accumulation of coal gangue not only occupies a large amount of land resources and causes natural disasters, but also pollutes the surrounding ecological environment, which in turn affects human …
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characteristic of coal gangue, the co-combustion of coal gangue with coal or biomass also has been studied and the results show the co-combustion can lower the ignition and burnout temperature which is beneficial to the combustion of coal gangue (Zhang et al. 2015; Zhou et al. 2015). However, there are fewer studies on the co-combustion
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1. Introduction. Coal mining may cause surface subsidence and ecological damage [1], [2].Gangue backfilling is one of the green technologies developed for facilitating safe mining of coal resources under buildings, railways and water bodies, coping with the disposal of coal gangue and preserving land resources in China.
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This is inseparable from the series of advantages of coal gangue foundation. First of all, the use of coal gangue foundation can alleviate the shortage of construction land in mining areas and promote the sustainable development of the coal indus-try. Secondly, the use of coal gangue foundation can save land and protect the ecological envi-ronment.
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Using coal gangue to make bricks not only saves land, but also consumes waste from mines. It is a low-carbon building material that is conducive to environmental …
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Coal gangue is a waste byproduct generated during coal mining and processing. It is harder than coal, has a lower carbon content, and its main components are SiO 2 and Al 2 O 3.. Coal gangue has become a significant industrial solid waste because it pollutes the environment and is prone to spontaneous combustion.
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ABSTRACT. Coal gangue has accumulated huge coal gangue piles, occupying lots of land as well as having striking influence on the neighboring …
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Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. Producing concrete with coal gangue aggregate is one of the green sustainable development …
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For example, coal gangue containing high calorific value can be used for power generation; low calorific value coal gangue can be used to make brick and …
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As a massive solid waste, the high value-added utilization of coal gangue has received more and more attention in China. This study focuses on the utilization of coal gangue aggregate in railway …
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Explore how Mexican architects use bricks, a traditional and sustainable material, for structural and aesthetic purposes in various projects. See examples of brick facades, …
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However, previous studies of coal gangue brick making emissions were primarily focused on fluoride (Xie et al., 2003), and little information about the partitioning behaviors of toxic elements from brick making is available. It is thus of great interest to study the structural characteristics and behavior of elements involved in coal gangue ...
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The Environmental Geochemistry of Trace Elements and Naturally Radionuclides in a Coal Gangue Brick-Making Plant Chuncai Zhou1,2,3, Guijian Liu1,2, Siwei Cheng 1, Ting Fang & Paul K. S. Lam3 1CAS ...
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1. Introduction. Separation of coal and gangue is the key to efficient and clean utilization of coal [1].In this context, mineral sorting technology based on computer vision has been the focus of research in recent years [2].The use of image processing to recognize coal and gangue is safer and more convenient than traditional coal washing …
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Coal gangue belongs to coal sedimentary rock, which is a useless mineral produced in the process of coal mining and washing, accounting for about 10%–15% of the total coal output. With the increase of coal mining activities in recent years, the accumulated coal gangue has become the largest source of solid waste in industrial …
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Coal gangue had a significant effect on TP, soil shrinkage and DIR, which is beneficial to reconstructed soil stability and surface water–groundwater conversion.
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Coal gangue is the largest amount of industrial solid waste in China. It caused serious damage to the ecological environment and waste resources. Therefore, it is of great significance to realize the resource utilization of coal gangue, protecting the environment and realizing the sustainable development of society. This paper …
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The properties of coal gangue. The main chemical compositions of coal gangue are SiO 2, Al 2 O 3, Fe 2 O 3, and CaO, which occupies 58, 24, 7 and 5 wt.%, respectively.According to the basic requirements for brick materials reported by Raut et al 22, these coal gangue accumulated in Huainan Coalfield is a suitable raw materials for …
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Utilizing coal gangue in cement production not only addresses the raw material shortage but also offers a sustainable solution for managing industrial waste. The activation of coal gangue involves thermal treatment to enhance its pozzolanic …
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The high activity of natural radionuclides in the atmosphere around the plant as well as in the made-up bricks will increase the health risk of respiratory system. An investigation focused on the transformation and distribution behaviors of trace elements and natural radionuclides around a coal gangue brick plant was conducted. Simultaneous sampling …
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Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energy-saving nature. However, the response characteristics of coal and gangue vary greatly under different illuminance conditions, which poses challenges to the stability of …
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Breathing in coal dust or ash is also known to be a cause for lung cancer development over time. A coal mining disease called "Black Lung" can impact total lung capacity, is incurable, and is often fatal. People with Black Lung literally die of suffocation. 5. Even clean coal still has high levels of methane.
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Coal gangue is one of the largest industrial solid wastes in China; the comprehensive utilization of coal gangue has important social, economic and environmental benefits. In this paper, the coal gangue and comprehensive utilization have been discussed in detail. Through the survey results, expounds the development of the …
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