المنتجات

The Cost of Climate Change Policy: The Case of Coal Miners

The Coal Mining Industry and Global Warming. According to the recent IPCC report, limiting global warming to 2 degrees Celsius requires a near complete and rapid elimination of coal in the global use of energy. Such a drastic measure is bound to have devastating effects on anybody economically linked to and dependent on the coal …

Optimal tracking control of the coal mining face fluid supply …

Tan et al. 7 introduced a pressure control method of emulsion pump station based on Elman neural network ... the stability of fluid supply in the coal mining face. But it can reduce pressure loss ...

Exploration on coal mining-induced rockburst prediction using …

With the increase in mining depth and intensity, the threat of rockburst caused by high stress in stope to coal mining (CM) safety production is becoming ever more serious. However, it is more difficult to predict and prevent rockburst in deep mining coal seams under complex environments. Firstly, this paper analyzes the detection …

Cause-chain analysis of coal-mine gas explosion accident …

In order to prevent coal mining gas explosion accidents, it is considerable to understand the conditions and probabilities of casing process. This paper studied the …

Construction and analysis of a coal mine accident causation network …

Considering these, this study creatively combined text mining technology and a complex network to explore the coal mine accident-causing mechanism. Through the text mining of 307 accident reports, 52 main accident-causing factors were identified, and a coal mine accident causation network was constructed based on the strong association …

Coal mining practices reduce the microbial biomass, …

The soils from three to six year-old showed the lowest microbial biomass (Fig. 1 a and b).The forest soil showed the highest microbial biomass, as well as the highest OM content, followed by the Grassland and 19 year-old soil (Fig. 1 a).All reconstructed soils showed lower microbial respiration rates than the undisturbed soil (Fig. 1 b).The five year …

Effects of land reclamation on soil organic carbon and its …

The primary distribution area of coal resources coincides with major grain-producing regions. Coal mining has resulted in extensive subsidence of high-quality cultivated land and the formation of waterlogged areas. Download : Download high-res image (400KB) Download : Download full-size image; Fig. 1.

Social and economic costs and benefits of coal

For example, De Valck et al. (2021) examined coal mining expansion in Queensland, Australia. They compared three scenarios of land use: coal mining, grazing, and nature conservation. The results showed that based on market prices coal mining generated 10–14 times more benefits than grazing and up to 3000 more benefits than …

Analysis of intervention strategies for coal miners

Article. Analysis of intervention strategies for coal miners' unsafe behaviors based on analytic network process and system dynamics. October 2019. Safety Science 118 …

Focus on transport to reduce costs at your mine

An optimised transportation system is a great way to increase your deep mine's efficiency and reduce operational costs. The global mining industry has experienced several challenging years due to slow demand and overcapacity in certain commodities. In response, many mine operators are looking for ways to boost profits and …

Innovation in the Mining Industry: Technological Trends and …

Innovation plays a critical role in the mining industry as a tool to improve the efficiency of its processes, to reduce costs, but also to meet the increasing social and environmental concerns among communities and authorities. Technological progress has also been crucial to allow the exploitation of new deposits in more complex scenarios: …

Intelligent Dust Removal in Coal Mine Using Extension Data Mining

It can comprehensively reduce the dust in the coal mining, rack moving, coal caving, transfer point and roadway of the fully mechanized coal mining face, and control the booster pump at the same time. To sum up, coal mine safety and workers' health have been promoted through coal mine dust removal and the automation technology have …

Modelling and analysis of unsafe acts in coal mine gas …

Coal mine accident prevention is a key issue affecting the safety of coal production in China. From accident analysis, it has been found that the interaction of unsafe acts of coal miners is the main cause of catastrophic accidents, and that ignoring the interrelationship between behaviors may lead to missing hidden chains of incidents as …

Environmental issues from coal mining and their solutions

The environmental challenges from coal mining include coal mine accidents, land subsidence, damage to the water environment, mining waste disposal and air pollution. These are either environmental pollution or landscape change. A conceptual framework for solving mine environmental issues is proposed. Clean processes, or …

Method for Quickly Identifying Mine Water Inrush Using

The water-bearing capacity and abnormal water-bearing area of the coal seam floor of working face no. II 632 at the Hengyuan coal mine was investigated using the network parallel electrical method.

Intelligent Dust Removal in Coal Mine Using Extension Data …

open access. Abstract. Coal mine production links will produce dust, which not only pollutes the environment but also endangers the health of coal miners. When …

An Overview of Impact of Coal Mining On Water Resources …

water contamination are gastro -intestinal irritation, methaemoglobinemia and dental and skeletal fluorosis. IX. CONCLUSION. It clearly shows that coal mining has certai n impact on the. water ...

Real-Time Methane Prediction in Underground Longwall Coal Mining Using …

Again, based on the coal and gas outburst risk level, CBR is used to match the cases and give corresponding suggestions for different levels of gas outburst risk conditions to help reduce the gas ...

Prediction of dust concentration in open cast coal mine using

Coal dust is a major pollutant in the ambient air of coal mining areas. The pollution due to open cast mining is more severe than pollution due to underground mining. Prediction of ambient ...

Coal mining practices reduce the microbial biomass, …

Soils in the proximity of a TTE mine had a lower cultural diversity of microorganisms than that of a control site (dos Santos et al., 2016). Open-cast coal mining also negatively impacted soil ...

Human reliability assessment of intelligent coal mine hoist …

Li et al. 23 identified and evaluated the risk factors of coal mine safety production using text mining and Bayesian network technology, and they clarified the six main risk elements of coal mine ...

How mining companies are reducing GHG emissions

GlobalData looked further back over the 2018-2022 period for the 85 companies for whom data was available and found an overall 14.3% decrease in scope 1 and 2 emissions over five years. Out of the 85, 42% of miners managed to reduce their emissions, with the most significant cuts from Vale, Barrick Gold, and Rio Tinto. Share …

Construction and analysis of a coal mine accident causation …

Based on these results, this study creatively combines text mining technology and complex network theory to construct and analyze the causation network of coal …

Coal mining and policy responses: are externalities appropriately

The proposed approach involves the mining of protective coal seam, underground dressing of coal and gangue (UDCG), pressure relief and gas drainage before extraction, and backfilling and mining of ...

Experimental Study on Evolution of Fracture Network and

In a group of deep coal seams, mining of upper multilayers generates cyclic loading–unloading stresses in bottom layers, improving their permeability and enhancing coalbed methane gas drainage. In this study, the respective repeated mining stress path was introduced into the seepage test. A high-resolution 3D X-ray microscopy imaging …

Research progress in coal and gas co-mining modes in China

Protective seam mining is a simple, economical, and effective method for using coal and gas co-mining technology measures (shown in Figure 3). 2 Gaving zone, fractured zone, and bending zone were formed above the goaf. The advantages of protective mining measures include a uniform outburst prevention effect, high safety, …

Wireless Sensor Network for Situation Awareness in Coal Mining

WSNs has been utilized in many fields such as coal mine safety monitoring, agriculture management, and also in vehicle monitoring. In this paper, sensor data collection using ARM7 microcontroller ...

Ecological-Based Mining: A Coal–Water–Thermal

The #2-2 coal seam is the current mining coal seam; it has a thickness ranging from 11.55 to 12.03 m, with an average thickness of 11.8 m. The mine's hydrogeological data indicate that the primary aquifers above the #2-2 coal seam are a Quaternary pore submersible aquifer, a weathered bedrock pore fracture aquifer, and a …

(PDF) Gas Overrun Risk Assessment in Coal Mining Face

Abstract. A risk assessment technology based on a fuzzy Bayesian network is proposed to improve the degree of gas control management in the coal mining face and avoid gas overrun. Five ...

Safety Measurements and Risk Assessment of Coal …

S. Matloob et al. DOI: 10.4236/ojbm.2021.93064 1200 Open Journal of Business and Management Figure 1. Number of Fatal Injuries in the US mining industries 2017, 2018 and 2019.

Risk assessment of gas explosion in coal mines based on …

This paper discusses the application of fuzzy AHP and Bayesian Network to the analysis of coal mining safety risk. Based on the fuzzy probability of expert evaluation, the method can be used to carry out risk analysis, calculate the reliability of the system and identify the most sensitive causes that lead to the occurrence of the risk accident.

Coal Resource Security Assessment in China: A Study Using …

Energy security has become a worldwide issue in recent years. Coal resources security (CRS), an important part of energy security, has been an emerging concern in many countries, due to the diminishing fossil energy reserve and unbalanced energy structure. However, there is no universally agreed method of constructing …

Effect of coal mining on vegetation disturbance and …

Vegetation is an important part of the environment but may be subjected to disturbance in areas close to coal mines. This results in a slowing of the rate of biomass growth, which is caused by fading of vegetation. Simultaneously, carbon stored in vegetation is constantly released, weakening vegetation ability to act as a carbon sink. …

US, Canada reveal plan to tackle coal mining pollution

The US, Canada and several indigenous groups have unveiled a proposal aimed at addressing the long-standing issue of pollution from coal mining in British Columbia, BNN Bloomberg reported. This pollution is said to have been contaminating waterways and harming fisheries across the US-Canada border for years. The initiative …

Modelling and analysis of unsafe acts in coal mine gas …

The purpose of this study is to analyse the interrelationships between miners' unsafe acts in coal mine accidents and how these acts combine to cause accidents, and …