coal mining subsidence areas using 16 S rDNA pyrophos - phate sequencing. The results showed that the reclaimed area had richer bacterial diversity and higher soil organic matter (SOM) and total nitrogen (TN) content (Li et al. 2014). Shi et al. studied the coal mining subsidence area in the windswept region of western China and …

The process of coal mining faces significant environmental opposition, and the environmental consequences due to international coal trade disruption should be fully recognized. To deal with the environmental consequences of replacing coal import by domestic mining, accurately quantifying environmental impact of the potential …

The impacts of coal mining on the karst water environment in Jiaozuo coal mining area can be roughly divided into the three main aspects: damage of land and water resource, geological disasters and environmental pollution. ... Niu L, Chen L, Jiang SG et al (2014) Study on influence of coal mining on aquifer: a case study on diggings in …

Coal mining subsidence leads to a drop in the water table and subsidence of the collapsed surface to form a waterlogged area, causing significant environmental changes and destruction of the original ecosystems, resulting in the formation of a unique nascent wetland in the coal mining subsidence area (Chang Jiang et al., 2017; Zhou et …

Extractive industries, mainly the coal mining, generate negative impacts in the local ecological conditions, which adversely affect the local economy and threaten the sustainability of local livelihood …

1. Introduction. Coal as the vital basic energy resource is critical to all over the world, 37% of the world's electricity and over 70% of the world's steel is produced using coal (World Coal Association, 2020, Clark and Zipper, 2016).However, coal mining activities are usually accompanied with severe damage to natural ecosystems and …

Nuisance for the people living in areas covered by the direct or indirect impact of the mining industry is an important social problem. The development of the mining industry depends on high environmental requirements, in particular, it is closely related to the fulfillment of obligations of safety for human health and life.

Specifically, the project seeks to answer how the expansion of seawater desalination by the mining industry is affecting local populations, and how climate …

The mining industry plays a significant role in economic growth and development. Coal is a viable renewable energy source with 185.175 billion deposits in Thar, which has not been deeply explored. Although coal is an energy source and contributes to economic development, it puts pressure on environmental sustainability. …

Abstract. Coal mining can significantly impact vegetation evolution, yet the limited information on its patterns and driving factors hampers efforts to mitigate these …

The long-term and continuous mining of coal deteriorates the natural environment as it sheds negative influences on the nearby water bodies and soil. 10 However, the regular disposal of millions of wastewater into the nearby water bodies is the main cause of pollution of water. 25 More specifically, the release of chemical particles …

To deal with the environmental consequences of replacing coal import by domestic mining, accurately quantifying environmental impact of the potential alternative is an essential prerequisite. Some accessed environmental damage by simulating carbon emission changes due to the ban, and noted that cutting off coal will increase Chinese …

As a special type of wetland, the new wetland in the coal mining subsidence area is highly sensitive to environmental changes. In recent years, more and more attention has been paid to the studies of soil microbial diversity in newly born wetlands in coal mining subsidence areas. However, there are few reports on the seasonal …

The discovery of coal in Maiganga village has attracted the location of coal mining industry in the area to mine an estimated proven cold reserve of 4.5 million tons. Coal mining has a significant ...

In 2008, the coal production has reached 2.72 billion tons. Long-time and intensive mining has caused spatiotemporal cumulative effects on soil, water, air environment, and ecosystem, which include ground subsidence, hydrodynamics change, land use change, soil pollution, air pollution, and ecosystem evolution etc.

Coal mining - Extraction, Processing, Pollution: In geologic terms, coal is a sedimentary rock containing a mixture of constituents, mostly of vegetal origin. Vegetal matter is composed mainly of carbon, hydrogen, oxygen, nitrogen, sulfur, and some inorganic mineral elements. When this material decays under water, in the absence of oxygen, the carbon …

Increasing energy costs and energy demand have renewed global interest in clean coal technologies. Underground Coal Gasification (UCG) is an industrial process that converts coal into product gas. UCG is a promising technology with a lot of health, safety and environmental advantages over conventional mining techniques. UCG carries risks to …

FACTORS HINDERING COAL MINING IN SOUTH AFRICA. REDUCED DEMAND Negative views on coal and its environmental impact have resulted in a major decline in its use by the major economies of the world. Because of coal's contribution to greenhouse gas (GHG) emissions, many countries have put in place strict environmental laws which …

Still, the urgency of climate change action demands the world to reduce coal use without carbon capture and storage quickly, and cease it over coming decades 6.Yet, focusing on the environmental ...

Abstract. This paper presents a novel approach to environmental assessment of coal mining operations, which enables assessment of the factors that are both directly and indirectly affecting the environment and are associated with the production of raw materials and energy used in processes. The primary novelty of the …

The coordinated exploitation of coal resources and water resources in ecologically fragile mining area is the key factor to improve the ecological environment of coal mining areas, Gu proposed the use of coal mine longwall goaf for building underground water reservoirs.This technology can not only facilitate the realization of the …

Economic factors include energy demand and its growth, the supply and cost of alternative sources of energy, coal quality and the cost of coal preparation, the selling price of coal, advancements in technology that …

Mining involves extensive clearing of ground cover, change in physiography, generation of massive solid and liquid wastes to reach coal and thereby …

The discovery of coal in Maiganga village has attracted the location of coal mining industry in the area to mine an estimated proven cold reserve of 4.5 million tons. Coal mining has a significant impact on people lively hood and the environment, the

Global extent and composition of mining areas. Mining potentially influences 49.9 million km 2 of Earth's terrestrial land area (37%, excluding Antarctica), assuming impacts extend 50 km from ...

Use of such. inferior grade of coal causes serious ecological problems. The following environmental impacts due to coal mining are discussed in this paper. 1. Impact of coal mining on landform. 2 ...

The backfilling mining method that fills gobs with coal gangue can prevent water inrush hazards, protect groundwater resources, and protect the ecological environment of the mining area. However, initial conditions including the particle size distribution of gangue and the stress environment may affect the seepage …

Coal is an important resource that has supported China's economic development. This situation is expected to continue in the immediate future. However, coal mining has also led to serious environmental disasters in some mining areas. Henan Province is one of the 14 large-scale coal bases that are planned by the Chinese state. It …

The implementation of the reclamation for former coal. mining land is often time ineffective due to s everal. factors, including (1) weak c ommunity parti cipation, (2) applied technology errors ...

The Clean Air Act and The Clean Water Act require industries to reduce pollutants released into the air and water. The coal industry has found several ways to reduce sulfur and other impurities from coal. The industry has also found more effective ways of cleaning coal after it is mined, … See more