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Friday, July 24, 2020 | History

2 edition of effect on water quality of explosives use in surface mining, volume 3 found in the catalog.

effect on water quality of explosives use in surface mining, volume 3

N. K. Nagpal

effect on water quality of explosives use in surface mining, volume 3

nitrogen release from coal and mine waste

by N. K. Nagpal

  • 142 Want to read
  • 8 Currently reading

Published by Terrestrial Studies Branch in Victoria, B.C .
Written in English


Edition Notes

StatementN.K. Nagpal.
SeriesAQUAMIN collection -- Study no. 352.
The Physical Object
Pagination1 v. (various pagings) :
ID Numbers
Open LibraryOL22173730M

acid mine drainage is environmental impacts. to keep from flooding water, it must continually be pumped out. the water has a very low pH, which lowers the pH of nearby soils and streams. it is also a dangerous job. accidental burial, explosions, and fires, inhalation of gases and particles that over a long amount of time can lead to occupational respiratory diseases, including black lung. Static or dynamic water pH will affect emulsion sleep time Orange-Brown Nitrous Oxide fumes post blast is indication of water damage to explosive Water resistance of explosives can be improved by use of hole liners, but usually at the risk of reduced charge per meter of blast hole. Water Resistance.

BRGM/RPF 3 Key words: mining waste, mines, quarry, exploitation, ore processing, environment, impact, inventory, not only on the mineral characterisation of the solid but also on the quality of the potential leachates, the direct environment (soil, groundwater, surface water, air) and the potential targets (human, fauna and flora. Effects of Surface Mining on Ground Water Quality by Henry Rauch Nature of Ground‐water pollution by surface mining Ground water is becoming a major concern with respect to surface mining of coal in both West Virginia and the nation's other coal fields. Two major concerns are ground‐water quality and ground‐water.

Any AML-related land mass slide of surface-subsurface soil, mine waste pile or bank, or surface mine spoil due to instability of its own weight or lubricating effects of mine drainage water, that endangers human health, safety, and general welfare and destruction of improved property located uphill or downhill from the land mass. The effects of surface mining on ground water have been a matter of concern ever since surface mining became widespread around the middle of the twentieth century. Ground-water quality is of major concern because it is a primary determinant of the water quality of base flow in streams, and.


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Effect on water quality of explosives use in surface mining, volume 3 by N. K. Nagpal Download PDF EPUB FB2

The effects on water quality of explosives use in surface mining were studied at the Fording Coal Limited mine in southeast British Columbia during The results are reported in 3 volumes.

Pommen, L.E. The Effect on Water Quality of Explosives Use in Surface Mining. Volume 1: Nitrogen Sources, Water Quality, and Prediction and Management of Impacts. Ministry of Environment Technical Report 4. Victoria: B.C. Ministry of Environment, Water Management Branch. May. Explosives and Water Quality Author: Bill Forsyth, AIan Cameron and Scott Miller Subject: Ground & Surface Water Keywords: explosives, water quality, ANFO, mining, environment Created Date: 7/16/ PM.

‘Effect of Weather on Sound Transmission from Explosive Shots’, ‘Rock Fracture by Water Jet Impact’, I. Farmer, Colliery Engineering, Januaryp. Sinclair J. () The Use of Explosives in Surface Mining.

In: Quarrying Opencast and Alluvial Mining. Springer, : John Sinclair. A high-explosives detonation provides both shock, which fractures (or breaks) the rock, and force (in the form of gas products), which heaves and displaces the fractured rock.

All explosives are mixtures that include carbon, nitrogen. volume 3 book Perhaps the most significant impact of a mining is, its effects on water resources. deteriorates water quality and quantity d is subject to a constant reduction in surface area and volume. Karmakar & Das-Impact of Mining on (iround and Suface Waters INTRODUCfiON Out of all the natural resources available in the world, water assumes the most important place.

It forms an integral part in survival of living being both in way of direct consumption and maintaining the environtnent. Environmental Impact Statement for Mining with Explosives: A QUANTITATIVE METHOD Dott. Ing. Roberto Folchi NITREX air and water quality, flora and fauna.

The effect of the various impacting factors from the mining activities, both directly and indirectly, was then calculated for each The volume of rock to be quarried, and the waste area.

In many arid and semiarid areas, as is the case of south-eastern Spain and the Canary Islands, water is scarce but highly demanded for irrigation of cash crop and for supply to urban and tourist areas.

Generally, water quantity dominates over water quality issues. Surface water resources are scarce. So, in south-eastern Spain, out of the area of influence of the permanent Segura River. The density of an explosive may be expressed in terms of specific gravity. Specific gravity is the ratio of the density of the explosive to the density of water under standard conditions.

The specific gravity of commercial explosives ranges from to g/cc. For free running explosives, the density is. For example, in India, in the Sukinda mining area, around metric tons of solid wastes have been generated in the form of rejected minerals, overburden material and waste rock, and subgrade ore that have caused environmental degradation, mainly creating lowering of the water table as well as deterioration of surface and groundwater quality.

The lowest pH found at California mine site was View the USGS California Water Science Center page on this topic. Estimated Use of Water in the United States inUSGS Circular (see chapter on Mining Use).

Water Explosives for Mining. #KR and environmentally appropriate owing to the use of water as a working medium for physical explosions, which have an equivalent or more breaking capability than hydrogen and oxygen. mm, depth of m by roller-cutter drilling rig; volume of broken rock per one blast - m 3; explosive - a.

Types of Water Pollution from Mining. There are four main types of mining impacts on water quality. Acid Mine Drainage Acid Rock Drainage (ARD) is a natural process whereby sulphuric acid is produced when sulphides in rocks are exposed to air and water. Acid Mine Drainage (AMD) is essentially the same process, greatly magnified.

Water quality is degraded as a result of surface runoff and leachate that are frequently generated from large volume overburden and tailings that are produced during iron ore mining and subsequent.

Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices. Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes.

These processes also have an impact on the atmosphere from the emissions of carbon which have. Mining operations use large amounts of fresh water to process recovered ore; the resulting mine effluent is typically a stew of hazardous acid-generating sulphides, toxic heavy metals, waste rock impoundments and water—and it is often deposited nearby in large free-draining piles where it can pollute land and water supplies for decades to come.

Strip mining. Strip mining, as the name describes, is a process of removing rock and soil in strips to get to the valuable mineral ores miners extract the resources, they put back the leftover rock and soil, called mining spoils or tailings, to fill in the hole. One way to replace tailings is to simply dump them; luckily, U.S.

regulations require mining companies to replace. Mining water and effluents ‒Unique composition which depends on bedrock (ore), process used, water purification techniques, climate etc. Mines can effect nearby water systems, so treatment required. ‒ Metals, metalloids, pH, suspended sediments, nitrogen from explosives.

In- or near-water use of explosives (i.e., construction or demolition projects; ordinance testing and disposal; as well as, harbor maintenance projects; and use of explosives during training exercises) can adversely affect significant aquatic ecosystems or organisms.

Many of the potential environmental problems associated. Impacts of Artisanal and Small-Scale Gold Mining on Water Quality in Mozambique and Zimbabwe: /ch Artisanal and small scale gold mining (ASGM) is an informal economic activity. ASGM is the process of extracting gold ore from the ground in the absence of.The Office of Surface Mining Reclamation and Enforcement (OSM), as part of the U.S.

Department of the Interior, was given the responsibility to develop and promulgate standards for regulating the surface effects of coal mining, both surface and underground, including the use of explosives. The Surface Mining Reclamation and Control Act of   Moving from water to air quality, studies in mining environments outside of Appalachia show that surface mining creates localized air pollution.

Ghose and others have conducted a number of studies in India showing elevated levels of particulate matter at surface mines in that country (Ghose,Ghose and Banerjee,Ghose and Majee.