Evolution of Opencast Mines in the Raniganj …
The mining authority favors opencast mining over underground mining in order to lower the cost per unit ... Mines spread in 57,277 km2 across the world and in India mine wasteland covers 2256 …
Energy efficiency assessment of electric shovel operating in opencast mine
A modelling framework is developed for estimating SPC of electric shovel from operating time and power measured for each process. The model is illustrated with a case study of 42 cu. m. P & H shovel operating in a large opencast mine of India. The SPC of shovel is optimized for actual operating cycle time components (idle time and digging time).
Characterization of different road dusts in opencast coal mining …
Dust is the major air pollutant in opencast coal mining areas (CMRI 1998; Vallack and Shillito 1998).Singh has reported haul roads to produce 0.25–0.70 kg of dust per kilometer travel of a dumper.Ghose and Majee reported a total generation of 9.4 t dust per day as a result of whole mining operation in an opencast mine of Jharia Coalfields, …
Mining industry in India
Mining industry in India - statistics & facts. India produces nearly 95 minerals, including fuel, metallic, non-metallic, and minor minerals, which serve as raw materials for various industries ...
(PDF) Underground and Opencast Coal Mining …
In India, coal mining is conducted using two methods: underground and opencast methods. The underground method is …
Opencast Coal Mining Induced Defaced Topography of …
With the advent of mining activities at Raniganj coalfield in India, the natural topography has been defaced in some elongated tracts by either excavation or dumping. This paper deals with opencast mining induced defaced topography of Raniganj coalfield, which needs to be reclaimed properly right after mining. This paper …
(PDF) Design Considerations for Waste Dumps …
In this paper, in situ material parameters for an OB dump slope were evaluated through multichannel analysis of surface waves (MASW) investigations performed at the Jambad opencast coal mine of …
OPENCAST COAL MINING AT LARGE DEPTH IN INDIA
In India, around 92% of the coal is produced by opencast mining method (Table 1). If domestic coal production continues at 5% increasing rate, the extractable reserve will last for 45 years.
Quantifying the impacts of opencast mining on
It was observed that the major anthropogenic activities, particularly opencast mining, are the major factor for vegetation degradation in Jharkhand and Odisha states, …
Analysis of Accidents Due to Slope Failure in Indian Opencast Coal
The opencast method is a dominant method and accounts for more than 90% of the total coal produced in India. In opencast mining, overburden (waste rock) is removed to access the coal seam (Dash ...
Quantifying the impacts of opencast mining on
The mining industry has a significant role in India's socio-economic development, contributing ∼2.5% of India's GDP. Jharkhand and Odisha states are India's mineral-rich and leading mining states situated in the eastern region of India (Fig. 1).These two states are selected for analyzing the opencast mining impacts on vegetation.
Opencast mining machineries | PPT
Opencast mining machineries - Download as a PDF or view online for free. ... 1kg/cm² Capacity of dozer is designated by its engine power in kilowatt. 240-410kW dozers are quite common in India. But in bigger opencast mines, powerful dozers of capacity 810kW are used. During marching from one place to another, dozer is not run …
Rock fragmentation control in opencast blasting
1. Introduction. Rock fragmentation distribution influences a range of mining and milling processes including load and haul rates, crushing and grinding performance and ore recovery in beneficiation processes (Michaud et al., 1997).In opencast mining, where blasting is employed for excavation, the overall cost effectiveness of the production …
Opencast coal mining in India: Analyzing and …
Opencast coal mining in India: Analyzing and addressing the air environmental impacts - Ghose - 2007 - Environmental Quality Management - Wiley …
(PDF) Application of noise mapping in an Indian opencast mine …
Application of noise mapping in an Indian opencast mine for effective noise management. June 2017. Conference: 12th ICBEN Congress on Noise as a Public Health Problem. At: Zurich, Switzerland ...
[PDF] Analysis of Accidents Due to Slope Failure in Indian Opencast
An accident due to dump slope failure in Indian opencast coal mine, in which a giant debris flow occurred during routine mining operation is analysed, to identify the gaps in the learning system and the thrust on improving safety by analysing accidents using root cause analysis techniques and to improve the stability of the dump. Opencast …
Reclamation of Degraded Landscapes due to Opencast Mining
3.5. Interdisciplinary dimension of reclamation. All mining operations, due to their nature, have negative impacts on the cultural landscape. And opencast mining activities are not an exception, as they drastically change the former dynamic equilibrium of the landscape, leading to the formation of new ecosystems.
OPENCAST COAL MINING AT LARGE DEPTH IN …
In India, around 92% of the coal is produced by opencast mining method (Table 1). If do mestic coa l pro duction cont inues at 5% increasing rate, the extractable r eserve will last for 45 years.
Evolution of Opencast Mines in the Raniganj …
The oldest coal mine of India, Raniganj coalfield has been producing superior quality non-coking coal for the last 246 years. To reduce the cost per unit production of coal, the mining authority prefers the opencast method over underground …
Quantifying the impacts of opencast mining on
The mining industry has a significant role in India's socio-economic development, contributing ∼2.5% of India's GDP. Jharkhand and Odisha states are India's mineral-rich and leading mining states situated in the eastern region of India (Fig. 1). These two states are selected for analyzing the opencast mining impacts on vegetation.
Opencast coal mining in India: Analyzing and addressing …
By 2016, coal production from opencast mining in India had risen to about 600 million tonnes (Mt), which represented about 70 percent of total coal production. The increasing trend toward opencast ...
Opencast coal mining and sustainable local livelihoods in Odisha, India
Mining is the most important economic activity in Raniganj coalfield area of West Bengal, India. At the same time, it has an immense number of negative impacts upon natural and social environment.
Design of Haul Roads in Open Cast Mines in …
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 …
OPENCAST COAL MINING AT LARGE DEPTH IN …
In India, around 92% of the coal is produced by opencast mining method (Table 1). If domestic coal production continues at 5% increasing rate, the extractable …
Opencast coal mining and rural livelihoods: a study of
The study site Sonepur-Bazari mine is an active opencast coal mine of Raniganj coalfield area, located in the Pandabeswar C.D. Block of Paschim Bardhaman district, West Bengal, India (Fig. 2). The area is bounded by 23°39′10″N to 23°42′35″N latitude and 87°10′45″E to 87°15′45″E longitude.
Air pollution caused by opencast mining and its abatement measures in India
Abstract. Opencast mining dominates coal production in India. A survey was conducted to evaluate its local atmospheric impact. Emissions data were utilised to compute dust generation due to different mining activities. Work zone air quality, ambient air quality and seasonal variations are described revealing high pollution potential due to ...
Assessing the ecological impacts of opencast coal mining in …
In fact, opencast mining is the most directly disturbed way which deteriorate land ecosystem in nature (Guan et al., 2017, Bruno Rocha Martins et al., 2020). Therefore, it is crucial to keep an eye on and conduct study on how opencast mining is affecting the quality of the ecology. The Muli coalfield has a 3.54-billion-ton coal reserve.
[PDF] Underground and Opencast Coal Mining Methods in India…
Thus, underground coal production in India is declining. Due to the large scale extraction of near-surface coal resources by opencast mining, near-surface coal resources will be depleted in future. Moreover, opencast mining has several environmental impacts, which is ignored keeping in view the colossal coal demand of the country.
Dump Slope Stability Rating and Risk Assessment in Opencast …
In Indian scenario, majority of large opencast coal mines are facing overburden dump stability problems (dump slide) as it results in loss of production, extra stripping cost to remove land slide material, reforming overburden dump benches, diversion of haul roads, production delays and sometimes loss of human lives and heavy earth …
The hits and misses of a mine reclamation project in Jharkhand
The Piparwar opencast mine in Jharkhand was once the largest coal-producing mine in the state and had damaged the local ecology. Now, after about 30 years of mining operations being started, the state-run Central Coalfields Limited (CCL), is carrying out reclamation and restoration in a part of the original mining area, to make it …
