The impact on environment during the entire process of producing coal and associated resources is analyzed and measures are recommended to control and reduce the impact of mine refuse, waste gas and water, and dust on environment, followed by technological solutions for reducing surface subsidence 2 refs} journal = {China Coal} issue = {6 ....
Numerous room-and-pillar mining goaf are apparent in western China due to increasing small coal mining activities, which causes the collapse of the overlying coal pillars and the occurrence of strong ground pressure on the longwall face and surface subsidence In this study, Yuanbao Bay Coal Mine, Shuozhou, Shanxi, was selected to study the collapse of the overlying coal pillars on the ....
May 31, 2021· The slope-pillar structure is defined as an artificial construction shaped by a surface highwall mining and an underground longwall mining In order to study the impact of stress variations (induced by the longwall-mining operations) on the stability of a slope-pillar structure, No 30101-1 working face of Nanliang Coal Mine was selected as the study subject...
Numerous room-and-pillar mining goaf are apparent in western China due to increasing small coal mining activities, which causes the collapse of the overlying coal pillars and the occurrence of strong ground pressure on the longwall face and surface subsidence In this study, Yuanbao Bay Coal Mine, Shuozhou, Shanxi, was selected to study the collapse of the overlying coal pillars on the ....
Jan 20, 2016· The highly fragmented coal industry in China has experienced a consolidation process since late 2008 Major coal-rich provinces have adopted nationalization and market-oriented approaches to reduce the number of small coal mines, leading to a marked increase in the proportion of the total output produced by large and medium-sized coal min...
Aug 05, 2014· (1997) Impact of coal mining subsidence on farmland in eastern China International Journal of Surface Mining, Reclamation and Environment: Vol 11, No 2, pp 91-94...
May 15, 2017· The US coal fleet is much older than China’s: The average age of operating US coal plants is 39 years, with 88 percent built between 1950 and 1990 7 ,...
Sep 01, 2017· While struggling to address the many environmental impacts of coal mining, governments of many developing countries, including China's, lack the ability or political will to effectively address the many other impacts of coal mining, such as those affecting social injustices and inequity (Morrice and Colagiuri, 2013)...
Coal mines in pre-industrial China Ancient people in current China started using coal around 6 000 years ago Historians suspects that the Chinese were involved in the surface mining of coal around 3490 BC, pioneering the pre-modern world Fushan mine uses to be pointed out as the earliest coal mine in the ancient world and started around 1 000 BC...
Northern Shaanxi, a major coal base in China, is facing water scarcity, soil erosion, and ecological deterioration We chose the Kuye and Tuwei Rivers as the study area, in which many underground mining bases have operated in these catchments since the late 1980s The objective of this study was to quantify the anthropogenic impacts of runoff on the main rivers in the mining region...
During the coal mining in Baluchistan, the coal waste is normally dumped in open areas on surface thus it drastically alters the landscape and renders the land unfit for other purposes like vegetation or agriculture The main source of noise pollution due to coal mining are blasting ,drilling and coal handling which has severe impacts on the ....
Dec 01, 2011· Criterion models of mining under high pressure and groundwater controlling countermeasures for lower group coal of type coalfield in northern China Journal of China Coal Society 30(5), 608 – 612 Google Scholar...
Province,ChinaThe879gasdrainageroadway,tobestudied in this study, is located in the II 5 mining area The mineable coal seams in the mining area were identified as No 8 and No 10 coal The No 10 coal seam lies under the No 8 coal seam, the distance is approximately 78m, and the coal seam dip angle is approximately 20° The No 10 coal ....
Nov 26, 2012· Coal Mining in China The Social Costs Tim Wright As the predominant supplier of industrial energy since 1949' China's coal industry is central to the state's economic suc-cess Especially since the 1980s, rural coal mines have made major contributions to local welfare and incom At the same time, the industry has been the focus of major social...
Abbreviation of Meitan Xuebao/Journal of the China Coal Society The ISO4 abbreviation of Meitan Xuebao/Journal of the China Coal Society is - It is the standardised abbreviation to be used for abstracting, indexing and referencing purposes and meets all criteria of the ISO 4 standard for abbreviating names of scientific journals...
Each year China burns as much coal as the rest of the world The coal use results in many benefits such as electricity, industrial heat, coke for steel manufacturing, and many valuable chemical ....
Numerous room-and-pillar mining goaf are apparent in western China due to increasing small coal mining activities, which causes the collapse of the overlying coal pillars and the occurrence of strong ground pressure on the longwall face and surface subsidence In this study, Yuanbao Bay Coal Mine, Shuozhou, Shanxi, was selected to study the collapse of the overlying coal pillars on the ....
Scope Journal of Coal Science & Engineering (China) (JCSE), started in 1995, is a comprehensive academic periodical which is published quarterly in English by Journal of China Coal Society and Springer-Verlag This periodical aims to report and disseminate the original research results and findings on all issues in the coal mining ....
Apr 28, 2020· The city of Datong, Shanxi province, has long been known as the ‘coal capital’ of China Through an ethnographic approach based on long-term observation and in-depth interviews conducted over several years, this essay examines how the restructuring of the local coal industry in the reform era has impacted the living and working conditions of the miners in the area...
May 15, 2017· The US coal fleet is much older than China’s: The average age of operating US coal plants is 39 years, with 88 percent built between 1950 and 1990 7 ,...
Oct 05, 2017· In Indonesia, for example, the rapid expansion of coal mining has affected health and livelihoods, and polluted water and air (B Brown and S J Spiegel Geoforum 85, ,...
Jun 05, 2015· Chinese miners dug up 387 billion tonnes of coal last year, leaving the country grappling with major environmental problems from crippling air pollution to dried-up riverbeds...
Dec 21, 2017· In this paper, the impact of coal mining on river runoff is assessed in one of the national key coal mining sites, Gujiao mining area, Shanxi Province, China The characteristics of water cycle are described, the similarities and differences of runoff formation are analyzed in both coal mining and pre-mining periods...
Apr 10, 2009· – The purpose of this paper is to identify the main environmental impacts of coal mining in China, examine the main institutions and reform factors that failed the control of these damages, and discuss what would be necessary to establish a sustainable and environmentally responsible coal mining sector in the context of market and institutional reforms, – Review of existing knowledge, and ....
Nov 26, 2012· Coal Mining in China The Social Costs Tim Wright As the predominant supplier of industrial energy since 1949' China's coal industry is central to the state's economic suc-cess Especially since the 1980s, rural coal mines have made major contributions to local welfare and incom At the same time, the industry has been the focus of major social...
corresponds to negative environmental impact, being any adverse change in environmental quality (Sánchez, 2012) In fact, the environmental impacts of coal mining activities are a problem in Santa Catarina, southern Brazil, where mining activities occurred mainly from 1940 to 2000 (Citadini-Zanette, 1999) This is one of the brazilian...
The Chinese government adopted more specific and stringent environmental impact assessment (EIA) guidelines in 2011, soon after the widespread ethnic protests against coal mining in Inner Mongolia However, our research suggests that the root of the ethnic tension is a sustainability problem, in addition to environmental issu...
Jan 07, 2011· (1997) Impact of coal mining subsidence on farmland in eastern China International Journal of Surface Mining, Reclamation and Environment: Vol 11, No 2, pp 91-94...
In China, which mines more than 95 percent of its coal underground, about 300 of the state-owned mines are classified as methane-outburst prone The effects of mining coal in China have become increasingly clear in modern tim Worldwide emissions are expected to increase by 20 percent in the next 12 years Coal fires...
Dec 21, 2017· In this paper, the impact of coal mining on river runoff is assessed in one of the national key coal mining sites, Gujiao mining area, Shanxi Province, China The characteristics of water cycle are described, the similarities and differences of runoff formation are analyzed in both coal mining and pre-mining periods...
Copyright © 2021.ZENIT All rights reserved. - sitemap