ob coal mining

Evaluation of contamination of manganese in groundwater ...

2021-1-6 · Inappropriate management of coal mine overburden (OB) dumps creates environmental hazards. In many countries, high concentration of Mn was observed in groundwater near the coal mine OB dump sites. Comparatively new coal mines in Barjora ...

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Sainik Mining Allied Services, along with its subsidiaries and associates, is largest and most efficient Coal OB outsourcing and Coal washery company in the private. Thriveni and Sainik''s unmatched years of experience in mining helped formed the Joint Venture. About The Client:

(PDF) A review on utilisation of coal mine overburden …

Overburden (OB) generated from coal mining industries are a major source of environmental pollution as well as land degradation worldwide. Recycling of …

(PDF) A review on utilisation of coal mine overburden …

Overburden (OB) generated from coal mining industries are a major source of environmental pollution as well as land degradation worldwide. Recycling of such waste products through effective ...

Technology | Coal Mining | Essel Mining

2021-3-16 · Coal mining Technology The OB removal is being done using state of the art PC2000 (12.5 Cum) hydraulic excavator & 100T 777D dump trucks, 34 KL of Water Sprinkler, High capacity Grader, first to introduce such size of HEMM by MDO

Oriental Structural Engineers | Oriental India | OSE

Currently the company has bagged four Mining contracts which are mentioned below:-. Bharat Coaking Coal Limited (BCCL) awarded a contract in November, 2014 for a value Rs. 16.40 Billion for Removal of 140.60 Lakh BCM of OB and extraction of 21.28 Lakh MT of Coal from seams at Nichitpur colliery Sijua area. Project completion will be February, 2019.

Technical Support Document For Underground Coal …

2021-6-25 · urces of coal mine emissions is illustrated in Figure 1. mining, and post-mining (i.e., coal-handling) activities (EPA 2008). Total CH4 active mining operations in 2006 were estimated to be 58.5 million metric tons of CO. for 35.9 million metric tons of CO2e, surface mines accounted for 14.0 millio

Geotechnical and Geochemical Characterization of Coal …

2017-5-4 · Lakhanpur OCP and in this seam mining operation is not expected in near future. Karharbari formation holds only thin coal bands below IB seam. MCL Report[4] C. Sampling Overburden (OB) Sampling: Large amount of OB were collected up to a depth of 0.6m and mixed thoroughly from

Ecorestoration of Coal Mine Overburden Dump to Prevent ...

Coal mining wastes in form of waste rock or Over Burden (OB) material produced from coal mining is traditionally dumped over the valuable lands India and worldwide. These OB dump pollutes the air, soil, water and landscape by dust, leachate and self-ignition due to lack of suitable ecorestoration practices.

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2021-8-18 · MiningOperation. HPU''s provide the process of managing many immediate and long-term activities in and around a mine site in order to facilitate the production of coal. A mine operation has main activities: Drill & Blast, OB Removal / Earth moving, Coal Hauling, as well as mine dewatering and mining reclamation. Learn more.

Ambey Mining Pvt. Ltd.

2010-4-13 · Ambey Mining Pvt. Ltd. Circular Court, 9th floor, Block No.92, 8, A.J.C. Bose Road, Kolkata 700 017 Phone: (033) 2289 2508 Fax: (033) 2289 2509

Geotechnical Aspects of Overburden Materials for Stowing ...

2018-7-30 · The existing coal mine overburden dumps might be a good alternative for sand and provide a sustainable mining practice. Geotechnical and physicoChemical characterization is required to evaluate the suitability of OB dump material to be used as an alternative. The properties such as specific gravity, particle size distribution, porosity ...

Ecorestoration of Coal Mine Overburden Dump to Prevent ...

About Us - Thriveni Sainik Mining

OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY …

2013-12-19 · National Institute of Technology Rourkela CERTIFICATE This is to certify that the thesis entitled "OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY AT COAL MINE" Submitted by Sri Sudeep Mahapatro, Roll No. 109MN0590 and …

Augmenting the Stability of OB Dump by Using Fly Ash: A ...

Instability of coal mine overburden (OB) dumps is an important problem in most of the coal mines like Jharia coalfields in India. This is mainly occurring due to sliding nature of the rock material, lack of vegetation etc. Numbers of Environmental and health issues are associated with these unstable OB dumps.

Geochemistry and mineralogy of coal mine overburden …

2021-7-1 · 1. Introduction. Coal is considered the world''s most abundant fossil fuel and is an chief energy resource used mainly power generation. Generally, in India to produce electricity accounting for, more than 70% of the total electricity production (Gupta and Paul, 2015; Chikkatur, 2005).Open-cast mining is gradually increasing in the share of coal production.

Performance Evaluation of Coal Mine Overburden as a ...

Overburden (OB) generated from coal mining industries are a major source of environmental pollution as well as land degradation worldwide. Recycling of such waste products through effective application in the construction industry leading to environmental sustainability is …

(PDF) Mine Overburden Dump Failure: A Case Study

A numerical model of Mine A OB dump is created. ... Over 1200 million cubic meters of overburden material is removed per year during open-pit coal mining operations in India (Annual report and ...

Coal Mining Business | Essel Mining

2021-7-14 · In return, the mine owner pays a contractually agreed fixed mining fee on per tonne of coal and/or per cum of over burden (OB) basis to MDO. Large sizes heavy earth moving machinery (HEMM) are deployed to achieve economies of scale.

Strength Characteristics and Stability Analysis of Ground ...

2019-9-12 · The increasing quantity of overburden (OB) removal and disposal in external dump needs proper management for active mining operation. Coal consumption in thermal plants generates huge quantity of pond ash thus, requires an alternative mode of ash disposal. In this study, attempt has been made to evaluate different geotechnical properties of OB-pond ash …

Effect of fly ash on geotechnical properties and stability ...

2020-4-27 · The management of overburden (OB) materials needs proper attention to safe mining operations. Several mine OB dump failures have been occurred due to inappropriate geotechnical and geometrical parameters. Increasing consumption of coal in thermal power plant also generates huge amount of ash which adversely affect the environment and its utilization is a …

Eco-restoration of a high-sulphur coal mine overburden ...

2019-4-9 · Eco-restoration of mine overburden (OB) or abandoned mine sites is a major environmental concern. In the present investigation, an integrated approach was used to rejuvenate a high-sulphur mine OB dumping site in the Tirap Collieries, Assam, India, which is situated in the Indo-Burma mega-biodiversity hotspot.

Evaluation of geotechnical properties of overburden dump ...

2017-11-14 · Coal-mining activities are precursors to land degradation, a part of which is directly related to the generation of huge quantity of overburden (OB) material. The problem of managing OB is mitigated through reclamation, which is directly associated with the geotechnical properties of these dumps. The main objective of this study was to assess the potential of an alternative …

Land Restoration / Reclamation Monitoring of less than …

2021-4-20 · (Coal+OB) per year based on satellite data, regularly basis at an interval of three years. 2.0 Objective Objective of the land restoration / reclamation monitoring is to assess the area of backfilled, plantation, social forestry, active mining area, water bodies, and distribution of wasteland, agricultural land and