Total resources as on 01042017 :- 315 Bt Proved: 143 Bt Indicated: 139 Bt Inferred: 33 Bt 93% of production from opencast mines; 7% from underground mines Indian coal is generally high ash, ~ 4400 GCV, low sulphur All India Coal production in 2016-17: 659Mt Types of Coal Produced in India Coal Industry In India 66Mt (10%) 593 Mt
GIS Based Assessment and Evaluation of the Environmental ,
even after restoration Thereafter, the tension between the environmental loss and the profitability of opencast coal mining is debatable Raniganj Coalfield, which falls under ECL is the birth place of coal mining in the Country In 1975 Eastern Coalfields Limited, a Subsidiary of Coal India ,
Open-cast Coal Mining Threatens Indigenous Villagers in ,
The expansion of open-cast coal mining operations in Jharkhand’s Northern Karanpura Valley poses a major threat to the region’s Indigenous population, their local environment and a precious cultural heritage that dates back more than 8,000 years According to FIAN International, more than twenty .
Fatal opencast coal mine cave-in highlights India's poor mining safety record 06 March 2017 Some 23 miners and dozens of vehicles were buried when about 250 metres of stripped overburden collapsed on December 29, 2016, at the Lalmatia opencast mine in Jharkhand, north-eastern India
Optimization of Blasting Parameters in opencast Mines
optimization of blasting parameters in opencast mines a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by manmit rout & chinmay kumar parida under the guidance of dr h b sahu department of mining engineering national institute of technology rourkela-769008
Mar 19, 2014· Opencast mining in India is practiced in manganese-ore mining in Madhya Pradesh and the overburden benches are 30 ft (9 meters) high Blast-hole drilling is employed and power shovels are used for loading into the dumpers or trucks
Miner technology has a huge potential of enhancing coal production from existing mines as well as new min India is the third largest coal producing country in the world and about 88% coal production comes from open cast mining The conventional system of mining coal by open cast method involves drilling, blasting, excavating and crushing
Problems and challenges faced by Coal India Limited ,
Sep 26, 2013· A situation of such urgency was created in 2004 India that the government decided on the allocation of coal blocks to private companies for captive mining (mining coal for personal use) However, it is imperative to understand how and why Coal India Ltd failed Under government monopoly, coal production by Coal India Ltd increased steadily
What are some of the most important disadvantages and ,
Sep 06, 2016· Underground Mining is a method of Mining, where the mineral is extracted without removing the top soil and rocks In this way we do not disturb the surface feature such as forest, agriculture land, rivers and residential areas The major disadvant.
Air Pollution due to Opencast Coal Mining and It's Control ,
coal mining humans suffer from coal mining inside underground workings but opencast mining creates much more air quality deterioration in respect of dust and gaseous pollutants in and around the mining complex Opencast mining dominates the coal producti on scenario in India due to the techno-economic factor, better safety, etc
Air Pollution Due to Opencast Coal Mining and the ,
Opencast coal mining creates more air pollution problem in respect of dust and the fines contain coal particles, benzene soluble matters etc To maintain the energy demand, opencast mining has been growing at a phenemenon rate in India There is no well defined method for assessing the impacts on .
May 25, 2016· Open cast or surface mining is dominant in India and it not only alters the nature of groundwater–surface water interactions but also contributes to major air pollutants to the atmosphere and results in dramatic changes in the landscape , In northeast India, coal mining was initiated by Medlicott in 1869 and 1874 .
Sub-bituminous coal, Bituminous coal and Anthracite Open cast mining and underground mining (room pillar, long wall, drift, shaft, slope mining) are some types of coal mining Proper Environment impact assessment of coal mining is very important and here we take some issues which should be considered and some
Mar 13, 2012· What is Opencast Mining• Opencast mining is also known as Open pit mining, Open cut Mining, Surface or Strip Mining• The coal upto economical depth will be excavated by OC Method• The current operating depth of OC mines in SCCL is about 200m and SCCL proposed to operate OC mines upto a depth of 420m Ex: MNG OC II Extension Project•
The choice of mining method largely depends on the geology of the coal deposit Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common
This list of mines in India is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output For practical purposes stone, marble and other quarries may be included in this list In India, the underground mine to surface mine ratio is 20:80 [citation needed
When India gained its independence in 1947, the coal production was nearly 30 million tonnes per year and the coal mining operation was primarily in the private sector Till 1971-73 the coal mining operation remained primarily in the private sector and the production had come up to a level of nearly 72 million tonnes per year only
offer seven open cast mines of about 25 million tonnes capacity to mine developer-cum-operators (MDOs) by this year-end in order to increase coal production for various end-us The government also proposed to amend the Coal Mines (Nationalisation) Act, 1973 to allow Indian companies, either public or private sector to undertake coal mining
Study of efficiency and productivity growth in opencast ,
Study of efficiency and productivity growth in opencast and underground coal mining in India: a DEA analysis Mudit Kulshreshtha , Jyoti K Parikh Indira Gandhi Institute of De elopment Research, GenAK Vaidya Marg, Goregaon East ,() Mumbai 400065, India Abstract This paper attempts to study efficiency and productivity of coal mining in the .
Study of efficiency and productivity growth in opencast ,
This paper attempts to study efficiency and productivity of coal mining in the Indian coal sector using detailed input and output data for underground and opencast coal mining for the period between 1985 and 1997 The non-parametric approach of data envelopment analysis (DEA) is adopted for performance analysis of different coal mining regions
Selected Dhori (SDOC) is a brown field open cast coal mining project located in Bokaro district The project is in Dhori Area of CCL and has a capacity of 11 MTPA 8: Balkudra OC : Coal India Limited : Balkudra OC is a brown field open cast coal mining project located in Ramgarh district
Indonesia coal surface mining machine,opencast coal quarry ,
SBM provides complete range of coal opencast mining machine in Indonesia Indonesia Coal Surface Mining Machine Coal surface mining is the operation of raw coal materials from the earth through their removal from an open pit or borrows
Benchmarking Energy Efficiency of Opencast Mining in India
extracted through opencast mining method In US, the opencast mine production varies from 65% for coal to 96% for industrial minerals in the year 2002  In India, the opencast mining constitutes about 70% of the total coal production  The process flow chart for opencast mining is shown as Fig1