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(PDF) Optimum Utilisation of Continuous Miner for ...

Conventional underground coal mining relies upon the use of continuous miners in order to extract coal reserves from underground coal seams. In combination with the continuous miners- shuttle cars are used to transport the extracted coal from the

FINANCIAL ANALYSIS OF MINING PROJECTS

ABSTRACT Financial analysis of mining projects can be known by studying the financial statements. ... Coal India Limited (CIL) and one coal mine of MCL (CIL) was carried out. From ratio analysis of IREL of financial year 2006-07 to 2010-11 it was found that the company liquidity position was strong. Current ratio, quick ratio, cash ratio,

Ground Water Contamination in Coal Mining Areas

India is highly dependent on coal for meeting its commercial energy requirements. India ranks the third largest coal producer of the world next only to China and USA. Coal mining in India was started in the year 1774 in the state of West Bengal. At the beginning of 20th century, the total

Coal mines of india abstract

Coal mines of india abstract Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Coal mines of india abstract, quarry, aggregate, and different kinds of minerals.

LAND DEGRADATION DUE TO MINING AND ITS REMEDIAL …

itself, iron ore mines of Steel Authority of India Ltd. (SAIL) generated 4.76 million tonnes of overburden and rejects from its 12 mines in the country[3]. The coal mines of Coal India Limited (CIL) removed about 500 million cubic m (Mcum) of overburden (OB) to produce 260 mt of coal in 2003-04 at an average stripping

The indian coal industry: An overview - ScienceDirect

Abstract. Coal has been mined in India for about two centuries. Although past achievement levels were undoubtedly low, developments in the post-independence period have been significant and strides made since nationalization of the coal industry have been even more impressive. Coal will continue to be India's prime source of energy for power ...

Coal mining in northeast India: an overview of ...

Northeast India has a good deposit of sub-bituminous tertiary coal. The northeast Indian coals have unusual physico-chemical characteristics such as high sulfur, volatile matter and vitrinite content, and low ash content. In addition, many environmental sensitive organic and mineral bound elements such as Fe, Mg, Bi, Al, V, Cu, Cd, Ni, Pb, and Mn etc. remain enriched in these coals. Such ...

Geotechnical Aspects of Overburden Materials for Stowing ...

Warangal, India Warangal, India. Abstract- This paper deals with the geotechnical aspects of overburden material from Srirampur open cast mines of manchiryal and to investigate its suitability to be used as a stowing material. Backfilling, which is commonly known as stowing, provides stability of ground by preventing land subsidence and ...

NCL Jayant Coal Mine India - GEO

Abstract. NCL Jayant Coal Mine India is located at Please Select. Location coordinates are: Latitude= 24.1583, Longitude= 82.6546. This infrastructure is of TYPE Coal_Mines and CATEGORY Fuels and Resources. . It is operated by Northern Coal Limited (NCL).

Cardiovascular load assessment of coal mine shovelers in ...

A comparison of physiological strain of carriers in underground manual coal mines in India. Saha R, Dey NC, Samanta A, Biswas R. Int J Occup Environ Health, 14(3):210-217, 01 Jul 2008 Cited by: 1 article | PMID: 18686722

The Analysis of Fatal Accidents in Indian Coal Mines

Jharkhand has the largest proved coal reserve in India and is the only remaining storehouse of prime coking coal (Figure 1), while it shares 20% coal production of the country, i.e. the second ...

ASSESSMENT OF COAL QUALITY OF SOME INDIAN COALS

ABSTRACT Coal is one of the primary sources of energy, accounting for about 67% of the total energy consumption in the country. India has some of the largest reserves of coal in the world. Indian coal has high ash content and low calorific value. However, with the present rate of around 0.8

Design of Haul Roads in Open Cast Mines in India—A ...

Abstract. About 80% of total mining in India is carried out in coal sector through open cast mines where heavy dumpers are plying on the haul roads. Mine haul roads have witnessed an enormous increase in traffic density as well as hauling payloads in the recent past due to increase in coal mining …

CEM India - Abstract

Abstract Information : Instrument Methane and Carbon monoxide gas detector abbreviated as 'Meth-CO meter', is India's first of its type, Indigenously developed handheld gas detector for use in underground Coal mines, having ability to detect two mostly found hazardous gases of underground Mining atmosphere i.e. Methane and Carbon monoxide in a single handy enclosure, and most important is …

Abstract Details - Fracture Features of Brittle Coal under ...

The AE monitoring was applied during the uniaxial and cyclic loading process of brittle coal samples to record the crack intensity of samples at different loading stages. The damage evolution curve corresponding to loading status was then determined. The fracture pattern of coal samples determined by micro-CT scan was observed and discussed.

A Critical Study on the Underground Environment of Coal ...

Abstract. Ergonomics application on underground miner's health plays a great role in controlling the efficiency of miners. The job stress in underground mine is still physically demanding and continuous stress due to certain posture or movement of miners during work leads to localized muscle fatigue creating musculo-skeletal disorders.

Toxic Coal Mines In India Photos and Premium High Res ...

Browse 52 toxic coal mines in india stock photos and images available, or start a new search to explore more stock photos and images. Year old MD Kahn is a worker at the Jharia coal mine. Jharia in India's eastern Jharkand state is literally in flames.

Air Pollution Due to Opencast Coal Mining and the ...

Coal mining and the associated activities were identified as being responsible for the particulate pollution levels in coal mining complexes in India (Ghose, 2002, Dubey et al., 2012. Moreover ...

Whole-Body Vibration Exposure vis-à-vis Musculoskeletal ...

The mines are located in northern India, and are highly mechanized and belong to the same owner. Shovel-dumper combination is deployed for coal extraction. Bench height for both coal and overburden benches was 10 m and bench width was more than height. The spacing and burden in both coal as well as overburden benches varied between 5 and 6 m.

Environmental Impact Assessment (EIA) Study of Coal Mines ...

Abstract — EIA is to study ... Coal mining having adverse impacts on land, air, water, biodiversity, loss of livelihoods etc. due to displacement and encroachment of land [5]. EIA is an important procedure for insuring that the likely ... Ministry of Mines Gov. of India (2011), "Mineral Concession ...

Mohan, G. Murali, Sheorey, P.R., Kushwaha. A. (2001 ...

Abstract. Design of coal pillars in a coal mine remains a challenge inspite of several theories proposed by several researchers over a period of time. India is heavily dependent on coal availability for supply of electricity to it's billion of citizens. This has burdened the coal industry to increase the coal production which ultimately has ...

Impact of coal mining on environment: a case study of ...

Presently, WCL has 84 coal mines grouped into 10 operational areas, seven in Maharashtra viz., Nagpur, Umrer, Wani, Majri, Chandrapur, Ballarpur and three in Madhya Pradesh viz., Pench, Kanhan and Pathakhera.WCL is one of the eight subsidiary companies of Coal India Limited (CIL), it was awarded as Miniratna in March 2007.WCL with coal ...

Coal in India: Adjusting to transition

Coal in India: Adjusting to transition. Tongia, Rahul; Gross, Samantha | March 2019. Abstract. Coal is the source of half of commercial primary energy in India. However, non-commercial biomass is still an important energy source, making up roughly one-quarter of total primary energy. The power sector uses the majority of India's coal …

Geo-Mechanical Modelling for Optimization of Rock Slope in ...

OPENCAST COAL MINE . Dr. Masoud Monjezi Dr T. N. Singh Mr. Amit Pandey Mr. Saurabh Puri Organization IT -BHU Tehran, Iran Varanasi, U.P.(India) ABSTRACT Jharia Co alfield, in India, is a prime storehouse of the coking coal. It contains as many as thirty contiguous seams. Multiplicity of seams

1 IntroductIon to south AfrIcAn coAl mInIng And explorAtIon

The majority of coal is derived from open-cast mines (±53%) and underground bord-and-pillar operations (40%), while stoping (4%) and longwall mining (3%) make up the balance. the importance of coal mining in south Africa Coal is South Africa's most plentiful and cheapest source of energy. The coal …

The Indian coal sector: Challenges and future outlook

Mining in India is a major economic activity which contributes significantly to the economy of India. The GDP contribution of the mining industry varies from 2.2% to 2.5% only but going by the GDP of the total industrial sector it contributes around 10% to 11%. Coal with a proven reserve of 860 billion tonnes is mined the most in the world.

Assessment of roof convergence during driving roadways in ...

Abstract In India, a number of coal seams are being extracted by using the continuous miner (CM). There is a need to standardise some of the major parameters like cut-out distance (COD) and the convergence of the roof strata for safe operation of the CM. The production and productivity of this system mainly depend on the COD, i.e. the length of the stable drivage made in the coal seam by the ...

Environmental and other effects of mining and transport

Abstract Historically coal mining is associated with damage to natural landscapes and the rise and fall of the mining communities which grow up around mine sites. But the sector has grown and most mining companies now ... 7.5 Case study – Coal India Ltd, a large coal producer in an emerging economy 85 7.6 Comments 86

Impact of Mining Activities on Land Use Land Cover in the ...

Abstract. Jharia coalfield (JCF) is one of the largest coalfields and main source of coking coal in India. Since nationalization of coal mines in 1973 and with increasing demand of coal in energy sector, the overall production of coal has increased. To keep pace with production, the opencast mining is one of the viable alternatives, which has ...

Environment Impact Assessment of Coal Mining

Coal mining is the process of extracting the coal from the deep underground mines in the earth crust. Coal mining is one of the most illegal activities going on in the country. At the same time it totally neglects the role of EIA in its pre-operational, during mining and post operational plans. Here various case studies of coal mining are done ...