effect and solution of coal mining

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  Effect of NaCl-SDS compound solution on the wettability …

  2019121 · The surface pores of coal treated with the NaCl–SDS composite solution increase and the fracture connectivity is improved, which facilitated the solution to penetrate coal for wetting, which has great practical significance for …

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  Strategies to reduce emissions from coal supply

  5  · Understanding the level and nature of coal mine methane emissions Coal seams naturally contain methane, which can be released during or after mining operations, and which is referred to as coal mine methane (CMM). Sources of emissions include seepage from coal seams exposed in surface or open pit mines; drainage systems used to reduce …

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  Impacts of open-pit coal mining and livestock grazing on …

  202387 · Coal mining and grazing cause land degradation. Plant diversity loss is one of the characteristics. Ground surveys cannot analyze the effects of mining and grazing on plant diversity in large areas, and remote sensing offers a novel solution. The aims of this study were as follows: (1) to analyze the impacts of mining and grazing on plant ...

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  Conflict implications of coal mining and environmental pollution …

  2018731 · Abstract Globally, mining and combustion of fossil fuels, especially coal, have resulted in various environmental problems. The adverse effects of these industries on human health, agriculture and the general ecosystem, and how they could result in conflict, have been widely reported. Firstly, this study examines the current state of environmental …

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  Coal mining and policy responses: are externalities …

  2021121 · The paper combines a systematic literature review and a cluster analysis to investigate the progress and challenges of policy instruments designed to mitigate coal mining externalities. Coal is a widely abundant fossil fuel and it is forecasted to remain in the energy mix for many years to come. However, coal mining is responsible for multiple …

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  Effect of different inoculation treatments on AM fungal …

  2018121 · Effect of different inoculation treatments on AM fungal communities and the sustainability of soil remediation in Daliuta coal mining subsidence area in northwest China

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  Numerical investigation into the effect of backfilling on coal …

  201831 · This paper attempts to quantify the effect of backfilling on pillar strength in highwall mining using numerical modelling. Calibration against the new…

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  Human health and environmental impacts of coal …

  201811 · Abstract Due to its high energy generation potential, coal is widely used in power generation in different countries. Although, the presence of carbon, hydrogen and sulfur in coal facilitates the energy generation in coal combustion, some pollutants including COx, SOx, NOx, particulate matter (PM) and heavy metals are accumulated in air and …

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  USGS Publications Warehouse

  Abstract. Coal will be a dominant energy source in both developed and developing countries for at least the first half of the 21st century. Environmental problems associated with coal, before mining, during mining, in storage, during combustion, and postcombustion waste products are well known and are being addressed by ongoing research.

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