WebJul 28, 2016 · Highwall mining technique enables to mine blocked or battered coal in the mines, which are otherwise considered lost by miners. The technology is not only eco-friendly and safe for coal extraction but also the most efficient method of natural resources utilisation. It does not require human presence underground, thus ensuring safety. WebApr 11, 2024 · The project is expected to increase ECL's production by 0.5 million tonnes per year, the Coal India subsidiary said. Highwall mining is a method to extract additional coal after the economic strip limit has been reached in surface mining. This technology provides an economical way to extract coal reserves locked up in the highwall, the company ...
Classification of Stability of Highwall During Highwall Mining: A ...
WebApr 11, 2024 · Kolkata, Apr 11 (PTI) Eastern Coalfields Ltd (ECL) on Tuesday announced the successful commissioning of its first highwall mining project at Nimcha Colliery in West Bengal. The project is expected to increase ECL's production by 0.5 million tonnes per year, the Coal India subsidiary said. Highwall mining is a method to extract additional coal ... WebNov 28, 2014 · Highwall mining is a method of extraction of coal blocked in the highwall. The method involves considerable challenges in the area of roof control and most importantly the stability of the highwall itself. ... Highwall mining in India. In: Drebenstedt C, Singhal R (eds) Mine planning and equipment selection, Springer International Publishing ... intracranial hemorrhage of newborn
Highwall mining in India - Part-I: Design methodology and review …
WebJul 4, 2024 · This comprehensive technical book on highwall mining covers theory and practice coupled with practical examples and design aspects. It contains eight extensive chapters elaborating broad-spectrum functionalities of highwall mining and its operational aspects, covering world scenario, economic potential, methods of coal extraction, design … WebJul 3, 2015 · The highwall miner can advance 1200’ under the highwall compared to a typical 300’ for an auger. Recovery rates improve from roughly 30% for an auger to near 50% for a highwall miner. The highwall miner can adapt more easily to varying seam thickness or other changes under the highwall. WebOct 13, 2024 · India allows 100 percent foreign direct investment (FDI) in mining and exploration of non-core minerals like gold, silver, and diamonds, as well as in oil exploration and captive mining of coal and lignite and in coal processing (washing and sizing). India allows 50 percent FDI through joint ventures with a public-sector unit. newly renovated homes for rent near me