Factors that hinder and favour coal mining in South Africa
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 …
Rare earth element behaviors of groundwater in overlying
There are two interpretations that could potentially explain the distinctions of groundwater pH in two coal mine areas associated with coal mining activities: (i) the influx of lower pH water from overlying aquifers or/and surface water bodies as a result of hydraulic pathway formed during the coal mining activities (Huang et al. 2018; Qu et al ...
The future of coal in a carbon-constrained climate
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 ...
Coal mining in the Czech Republic
Coal mining activities are causing an extensive range of environmental issues at both operating and abandoned mine sites. It is one of the most environmentally destructive practices, with the capability to eliminate fauna and flora, impact the groundwater system, and pollute the soil, air, and water. The Czech Republic relies almost exclusively on coal …
Model of environmental life cycle assessment for coal mining operations
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 …
Renewable energy production will exacerbate mining threats …
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 ...
Environmental impacts of potential mining-replacing …
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 …
An investigation into the disturbance effects of coal mining …
Coal mining disturbs surface ecosystems in coal mining subsidence areas. Based on the groundwater–surface composite ecosystem analysis, we constructed an ecological disturbance evaluation index system (18 indices) in a coal mining subsidence area using the analytic hierarchy process (AHP). Taking the Nalinhe mining area in …
Understanding the impacts of mining on local …
Specifically, the project seeks to answer how the expansion of seawater desalination by the mining industry is affecting local populations, and how climate …
Coal and gas mining in Australia
Mining has always been an important part of the Australian economy. What has changed is the unprecedented scale and pace of its expansion. This is already irrevocably altering the Australian landscape and affecting food production, water security and communities across the nation. The coal seam gas fields approved to date in …
The changing climate of Australian coal and where it is headed
The coal fed Japan's growing steel industry, and in the decades of the 1950s, 60s and 70s, change was afoot. Switching from a majority of underground to open-cut mines in New South Wales and ...
Preventing water inrush hazards in coal mines by coal …
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 …
(PDF) Impact of Coal Mining on the Environment in Mainganga Community
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
Coal explained Coal and the environment
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
Coal mining reclamation as an environmental recovery …
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 ...
Coal Mining and Reclamation in Appalachia | SpringerLink
Coal mining, however, also influences coalfield communities in other ways. Despite significant worker health and safety advances, coal mining remains a hazardous occupation (Zipper et al. 2021; Gohlke 2021). Coal mining affects the environment both within and beyond the mine site's borders, even when the best …
The Social and Environmental Consequences of Coal Mining …
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.
Environmental cumulative effects of coal underground mining
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.
Sustainable Development of Resources and the Environment: Mining
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 …
Research on the effects of coal mining on the karst
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 …
Uncontrolled coal fires and their environmental impacts
To separate the influences of a general global warming pattern from the regional influences of mining-induced emission and surface heating can hardly be achieved. ... Kuenzer, C., Strunz, G., Voigt, S., Wagner, W. (2004). Multitemporal landcover investigations in a semi-arid mining environment: coal fire areas in Northern China. In: …
Coal mining
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 …
Coal Mining and Local Environment: A Study in …
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 …
Coal Mining and Local Environment: A Study in Talcher …
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 …
Effects of Coal Mining and Climate-Environment Factors
The environmental changes caused by coal mining activities caused disturbances to the plant, soil, and microbial health in the mining area. Arbuscular mycorrhizal fungi (AMF) play an important ...
Environmental impacts of potential mining-replacing …
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 …
Vegetation changes in coal mining areas: Naturally or anthropogenically
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 …
Seasonal changes of soil microbiota and its association with
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 …
Seasonal changes of soil microbiota and its association …
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 …
Coal mining
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 …