opencast coal mining

Opencast Mining

Coal is mined either by surface methods (open-cut or open-cast mining) or by underground techniques. In surface mining, all of the rock from the ground surface to the top of the …

Opencast mining | Anglo American

Opencast mining. a method of mining rock or minerals by removing them from an open-pit mine situated close to the surface above ground.

A system-wide approach to minimize the operational cost of …

The production cycle of open-cast coal mines generally includes drilling, blasting, loading, hauling and coal preparation activities. Individual optimization of these activities does not mean that the whole system is optimized. This paper proposes a cost model considering all activities in mining cycle and system-wide approach to minimize …

Opencast coal mining in India: Analyzing and addressing …

Opencast coal mining in India: Analyzing and addressing the air environmental impacts. Mrinal K. Ghose, Mrinal K. Ghose. Indian School of Mines, Dhanbad. Search for more papers by this author. Mrinal K. Ghose, Mrinal K. Ghose. Indian School of Mines, Dhanbad.

Remote Sensing | Free Full-Text | Monitoring …

The Muli mine site exhibited the non-uniform settlement characteristics inherent to opencast coal mines before reclamation in August 2020. Most of the settlement occurred on the side slopes of the …

Life cycle assessment of opencast coal mine …

See more on link.springer

Explore further

Model of environmental life cycle assessment for coal mining …sciencedirectAPPLICATION OF LIFE CYCLE ASSESSMENT (LCA) IN …researchgateRecommended to you based on what's popular • Feedback

Springerhttps://link.springer/article/10.1007/s40789-021-00467-9

Life cycle assessment of opencast lignite mining

WEBThe technology for opencast lignite mining is noted for its high production efficiency, high level of recovery and lower risk as regards the safety of workers when …

opencast mining | Encyclopedia

opencast mining Stripping surface layers from the Earth's crust to obtain coal, ores or other valuable minerals. Dragline excavators strip away surface layers and mechanical shovels distribute minerals and spoil. The minerals are carried away for grading and processing. In some countries, owners of opencast mines are required to restore the …

Failure to restore Opencast coal sites in South Wales

ERM was instructed by the Welsh Government to carry out a research into current and potential risks relating to inadequate restoration, and potential reasons associated with 'failure to restore'. The scope of the research was to include all significant unrestored opencast coal sites in South Wales, including: Active sites;

Merthyr Tydfil: UK's largest opencast coalmine to shut

An aerial view of Ffos-y-Fran opencast coal mine in November 2021. The company argued it qualified, claiming to have a role of "national importance" in supplying the Port Talbot steelworks.

Coal mining in the UK: Where mines are still being operated …

Coal mining in the UK: Locations of existing opencast mine sites . Glynneath, South Wales. Selar is one of Celtic Energy's coal sites situated in the small town of Glynneath in South Wales. It excavates approximately 3.5 million tonnes of anthracite coal, with reserves of more than one million tonnes still to be mined.

A precise TIN clipping algorithm for the digital …

This paper gives a precise TIN clipping algorithm applied in the digital mining design of the opencast coal mine. To improve the algorithm's efficiency, a spatial grid index is built and utilized to embed …

Open-Pit Mining Definition | Anglo American

Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Open-pit mining is the most common method used throughout the world for …

How to optimize dust pollution control in opencast coal …

Introduction. Coal is the key energy source for industrial development. For a long time, China's economic and social development has had a strong demand for coal, and the coal industry has developed rapidly [1, 2]pared with other types of mines, opencast mines have higher safety levels, higher coal recovery rates, larger production …

Response differences between soil fungal and bacterial …

The opencast coal mining disturbance conditions altered the structures of the bacterial and fungal communities and enriched microorganisms associated with coal degradation and pollutant detoxification. Despite a low species diversity, the fungal community was more stable than the bacterial community due to a greater number of …

Sanghamitra Coal Mine

Sanghamitra Opencast coal mine project is a proposed 20 MTPA mine to be run by Central Coalfields Limited in the North Karanpura coalfields. As of July 2020, CCL is inviting bids for developers. In response to a right of information request in 2021, the mine is still listed by the Government of India as an active new mine project. ...

Coal

The coal measures are generally shallow, largely unfaulted and lightly inclined, making their exploitation suitable for opencast and mechanised mining. ... Coal Mining in South Africa. Coal mining's advent in South …

Ffos y-Fran opencast coal mine owners given closure date

Coal extraction at Merthyr Tydfil's Ffos-y-Fran mine began in 2007 on a 15-year licence The UK's biggest opencast coalmine must close by the end of July, owners have been told.

Heavy metal concentrations of soils near the large opencast coal mine …

Distribution of studied opencast coal mining pits across China. 2.2. Sample collection and analysis. During 2016, 2017, with the support of the national open-pit coal mine ecological environment research program of China, 1772 surface soil samples (0–20 cm) within 2 km around each coal mining pit were collected. The Global Positioning …

List of Equipment Used in Opencast Coal Mining | Mining

List of equipment used in opencast coal mining are: 1. Bulldozer 2. Craper 3. Ripper 4. Tractor Shovel 5. Dipper Shovel 6. Stripper Shovel 7. Pull Shovel or Hoe 8. Dumpers or Tippers 9. Drag Line 10. Road Grader 11. Rock Drills. Opencast mining is the oldest method of excavating minerals but the mining operations have been mechanised by the …

Thungela

The Zibulo Colliery operates both underground and opencast operations located about 100 km east of Johannesburg and approximately 60 km south west of eMalahleni in the Mpumalanga province of South Africa. ... The Isibonelo Colliery is an open cast thermal coal mine located approximately 150km east of Johannesburg and 90km south of …

A precise TIN clipping algorithm for the digital mining …

The triangulated irregular network (TIN) clipping algorithm is one of the vital algorithms for the digital mining design of opencast coal mines based on the geological digital elevation model (DEM) described by TIN. This paper gives a precise TIN clipping algorithm applied in the digital mining design of the opencast coal mine. To improve …

A review on existing opencast coal mining …

Currently almost 65 % of the coal in Australia is being produced by opencast mining methods. Mining equipments such as draglines, dredgers or bucket wheel excavators, trucks and shovels, and ...

Retrieving zinc concentrations in topsoil with reflectance …

China is the world's largest coal producer and consumer, and coal provides more than 70 percent of total energy in China 1.China has to confront the dilemma of balancing socio-economic development ...

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.

Characterizing the effects of opencast coal-mining and land …

Opencast coal mining is a large-scale activity that seriously and rapidly impacts the ecological environment. Mining activities, including striping, excavating and dumping, can cause severe changes to terrestrial ecosystems, disorganizing original layers of soil profiles and aggravating soil and water loss ( Wang et al., 2015a ; Ibanez et al ...

Remote Sensing | Free Full-Text | Using a Two-Stage Scheme …

These results confirmed that the development of the opencast coal mine generated obvious influences on the distribution of heavy metals in the area. It is clear that the spatial distributions of Zn and Ni were approximately the same, while the detailed descriptions of each map vary to some extent ( Figure 9 and Figure 10 ).

Opencast coal mining and rural livelihoods: a study …

This research article examines the impacts of coal mining on financial, physical, human, natural, and social capitals and how these capitals affect the rural …

Opencast coal mining and sustainable local livelihoods in …

The objective of the present study is to assess the effects of coal mining on local livelihoods. This is accomplished using data collected from an intensive study of four mining villages and two control (non-mining) villages located in the Ib Valley coalfield in Odisha. The paper is divided into five sections.

Ffos-y-fran opencast coal mine pressures Council …

Ffos-y-fran (pronounced in English as Foss-uh-vran and also known as the 'Ffos-y-Fran Land Reclamation Scheme') is a large opencast coal mine in Merthyr Tydfil, South Wales, mining primarily …

Opencast Coal Development and the Natural Heritage: …

Opencast coal mining is a very controversial activity and can raise difficult issues in finding the right balance between economic and environmental considerations. Actual working can frequently cause serious environmental disruption and consequences (some of which are not central to NatureScot's remit e.g. noise, dust and transportation ...