You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.

BBC

 · From coal mining slag heap to nature reserve Coal mining might have left Ifton Meadows at St Martins many years ago, but evidence of its industrial past is …

"Slag"

 · In my 1960s youth,there was an old slag heap about a quarter of a mile from my house in the industrial north-east of England. The slag is the molten lime left over from iron-smelting, which is drained off into railway tubs and (in former days), dumped on waste ground.

Smelters | Colorado Miners | Doing History Keeping the Past

Coke is partly-burned coal used to heat the blast furnaces of smelters and steel mills. The men on the ground are putting wood into the ovens to burn the coal. Photo: Colorado Historical Society. More About This Topic. The ore smelting business helped develop coal mining in Colorado.

Mine gas | mining | Britannica

Mine gas, any of various harmful vapours produced during mining operations. The gases are frequently called damps (German Dampf, "vapour"). Firedamp is a gas that occurs naturally in coal seams. The gas is nearly always methane (CH 4) and is highly inflammable and explosive when present in the air in a proportion of 5 to 14 percent.White damp, or carbon monoxide (CO), is a particularly ...

Slag Definition & Meaning | Dictionary

Slag definition, the more or less completely fused and vitrified matter separated during the reduction of a metal from its ore. See more.

Mining Waste | Special Wastes | Wastes | US EPA

Mining waste; phosphate rock mining, beneficiation, and processing waste; and uranium waste are three of the six special wastes identified. October 21, 1976 —Congress passes the Resources Conservation and Recovery Act (RCRA) (Public Law 94-580) which requires EPA to develop regulations governing the identification and management of hazardous ...

Slag heap

Coal company confirm 85 job losses at country''s last mines A most inauspicious English-language filmmaking debut for Daniel (brother of Tomas) Alfredson, "Kidnapping" will hold a handful of cinemas hostage en route to the VOD slag heap .

slag

slag - WordReference English dictionary, questions, discussion and forums. All Free.

Tailings

Coal refuse (also described as coal waste, coal tailings, waste material, culm, boney, or gob) is the material left over from coal mining, usually as tailings piles or spoil tips. For every tonne of hard coal generated by mining, 400 kilograms of waste material remains, which includes some lost coal that is partially economically recoverable.

Slag

Define slag. slag synonyms, slag pronunciation, slag translation, English dictionary definition of slag. n. 1. The vitreous mass left as a residue by the smelting of metallic ore. 2.

What is coal?

Coal is a sedimentary deposit composed predominantly of carbon that is readily combustible. Coal is black or brownish-black, and has a composition that (including inherent moisture) consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material. It is formed from plant remains that have been compacted, hardened, chemically altered, and

What does slagheap mean

Usage examples of "slagheap". Even the stupid people of Flinton with their dreadful slagheap up the road with nothing but coal in their ground claim that she was born there can you believe that?. Still, as I climbed down and saw its turning wheels and slagheaps, I still felt a cold wash of disappointment.. Grey houses under grey slagheaps – and now Anna came from there as well.

slag

As for the name, the first thing I think of is a bing, a mountain of slag from a coal mine. Twitter Weekly Updates for 2009-07-05. If I call the queen a dirty parasite slag is that OK, it is just words. Prince in ''Sensible'' Shocker. They then thought that it was a piece of slag from a …

CoalSpeak: Dictionary of the Coal Region

Anthracite Special : standard fare at weddings, funeral breakfasts, and other social occasions in the coal region. All food is served family style by women who are usually in a hurry. Usually ham or beef, chicken, kelbo. A really big to-do will feature both filling AND stuffing (filling is …

Coal mining terms

T his is a partial glossary of common coal mining terms used in the United Kingdom. Some words were in use throughout the coalfields, some are historic and others are local to the different British coalfields. A. Adit: an underground level or tunnel to the surface for access or drainage. [1] [2] Afterdamp Damps is the collective name given to all gases other than air found in coal mines in ...

Coal | Geoscience Australia

In Australia, nearly 80% of coal is produced from open-cut mines in contrast with the rest of the world where open-cut mining only accounts for 40% of coal production. Open-cut mining is cheaper than underground mining and enables up to 90% recovery of the in situ resource. Coal may be used without any processing other than crushing and ...

slag heap

translation and definition "slag heap", Dictionary English-English online. slag heap Definitions. en.wiktionary . A man-made mound or heap formed with the waste material (slag) as a by-product of coal mining. Can also refer to the waste by-product from a foundry or furnace, formed into such a mound. ... Found 170 sentences matching phrase ...

Pit Terminology

B. Back (1) - A plane of cleavage in coal, etc., having frequently a smooth parting and some sooty coal included in it. Back (2) - The inner end of a heading where work is going forward or is stopped. Back (3) - Leicestershire Coal-field. To throw back into the gob or waste, the small slack, dirt, etc., made in holing. Back (4) - Leicestershire Coal-field.

A Glossary of the most common mining terms

 · For example, a 3:1 stripping ratio means that mining one cubic metre of ore will require mining three cubic metres of waste rock. Sulphide ore: Sulphide ores are generally found hundreds of metres below surface, and generally require underground mining infrastructure. The main benefit to sulphide ores is that they can be concentrated using a ...

Tennessee Ernie Ford

General CommentThis song is about the coal mining indeed. and about debt bondage. Miners had to spend a certain percent of their wages in the shops owned by the company they worked for. this created an even bigger dependency on the company. These systems of …

Glossary of Mining Terminology

Coal Analysis - The determination by chemical methods of the amounts of various components of coal. Coal Ash - Non-combustible material in coal. Coal Bank - Exposed seam of coal. Coal Basin - A coal field with a synclinal basin structure. Coal Bump - Sudden outbursts of coal and rock that occur when stresses in a coal pillar,

Spoil tip

A spoil tip (also called a boney pile, culm bank, gob pile,waste tip or bing) is a pile built of accumulated spoil – waste material removed during mining. These waste materials are typically composed of shale, as well as smaller quantities of carboniferous sandstone and various other residues. Spoil tips are not formed of slag, but in some areas, such as England and Wales, they are referred ...

Mine Soil

Pardo et al. (2016) found a decrease of the dissolved concentrations of Cd, Cu, Mn, Pb, and Zn and the modification of the chemical species distribution of some TEs present in soil pore water of a mine tailing after the addition of olive pomace-compost (combined with a "red mud" derivate), organometallic forms being the dominant species for ...

Bacteria help extract rare earths from mine slag heaps ...

 · Researchers at the French Geological Survey are looking at ways to extract rare earth elements from mine slag heaps using bacteria found in the …

slag

Slag - definition of slag by The Free Dictionary

(PDF) Waste disposal in coal mining—a geotechnical analysis

Steel furnace slag (SFS) and coal wash (CW) are two common by-products from the coal-mining and steel industries in Australia. ... It was found that a mixture with SFS:CW = 7:3 and 10% RC (63% SFS ...

Gold Mining Terms Glossary – Gold Bug Park

Download our PDF of Gold Mining Terms. adit – a horizontal or nearly horizontal underground passage coming to the surface at one end of a mine.; alluvial – of or pertaining to alluvium; alluvial soil.; alluvium – a deposit of sand, mud, etc., formed by flowing water.; assay – to analyze (an ore, alloy, etc.) in order to determine the proportion of gold, silver, or other metal in it.

Glossary of Mining Terms

Strip mine - An open-pit mine, usually a coal mine, operated by removing overburden, excavating the coal seam, then returning the overburden. Sub-bituminous - A black coal, intermediate between lignite and bituminous. Sublevel - A level or working horizon in a mine between main working levels.

Coal Ash Basics | US EPA

 · Coal ash, also referred to as coal combustion residuals or CCRs, is produced primarily from the burning of coal in coal-fired power plants. Coal ash includes a number of by-products produced from burning coal, including: Fly Ash, a very fine, powdery material composed mostly of silica made from the burning of finely ground coal in a boiler.

CM

What is the abbreviation for Coal Mining? What does CM stand for? CM abbreviation stands for Coal Mining. ... Have you found the page useful? Please use the following to spread the word: ... Search for abbreviation meaning, word to abbreviate, or category. Shortcuts for power users - examples. Abbreviation meaning - COB means; To abbreviate ...

Respiratory Diseases Caused by Coal Mine Dust

Coal is an important global commodity and will remain so for the foreseeable future. Thus, mining of coal will also remain important. Despite improvements in exposure assessment and ventilation controls and the existence of protective government regulations, coal miners are still at risk for respiratory diseases caused by coal mine dust and their associated morbidity and mortality.

nucor slag « Slag

 · The slag is a non-hazardous material and the slags are transported to the mine site, where they are cleaned, sanitised and disposed of safely," the company said in a statement." Nucor has taken every precaution to ensure that all mining activities in the area are safe and responsible.

Coal – Types, Uses and Formation

Coal mine workers have to carry out mining activities then. Disadvantages of Coal. Coal has a set of disadvantages: like coal mining accidents, coal pollution, etc. There are a large number of accidents that take place in coal mines because it is a dangerous and challenging activity involving heavy equipment.

Coal balls, Coal Mining Geology, Kentucky Geological ...

 · Definition and formation: Coal balls are calcareous masses of fossil peat found in coal beds. They are formed in the original peat before it undergoes coalification (DeMaris and others, 1983; Scott and others, 1996). Individual coal balls can be inches to many feet in diameter, and coal-ball clusters may occupy a small part (concentrated along the top or bottom) or the entire height of a seam.