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Glossary of Mining Terms - Coal Education
A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Glossary of Mining Terms - rocksandminerals.com
Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Coal-Fired Power Plant Heat Rate Improvement Options, Part 1
Even without regulatory considerations, there are good reasons for virtually every coal-fired power plant to improve its heat rate. The Electric Power Research Institute (EPRI) has looked at ...
Glossary | S&P Global Platts
The Platts industry glossary provides definitions for common industry terms in the oil, power, petrochemicals, nuclear, gas, coal and metals markets
Title 66 - PUBLIC UTILITIES - Pennsylvania General Assembly
TITLE 66. PUBLIC UTILITIES . Part. I. Public Utility Code. II. Other Provisions (Reserved) Enactment. Unless otherwise noted, the provisions of Part I were added July ...
Coal assay - Wikipedia
Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals.These methods are used primarily to determine the suitability of coal for coking, power generation or for iron ore smelting in the manufacture of steel
The Collieries - Mahanoy Area Historical Society
history of the anthracite collieries in the Mahanoy valley. Anthracite Videos . All the images below are links to anthracite related videos on You Tube.Click on the picture to view the video.To come back to the Colliery Page after viewing a video, click on the " X " in the lower right side of the video screen.
Coal mining in Kentucky - Wikipedia
Starting in the 1960s coal seams in both Kentucky coal fields have been increasingly accessed via a method known as Mountaintop Removal Mining, which is a form of surface mining that involves the topographical alteration and/or removal of a summit, summit ridge, or significant portion of a mountain, hill, or ridge in order to obtain a desired geologic material.
Latest News | S&P Global Platts
Request a free trial of; Gas Daily . Whether a risk manager, research analyst, trader or broker, Platts Gas Daily brings you crucial competitive intelligence across the entire North American natural gas marketplace.
Chapter 130A - Article 9 - North Carolina General Assembly
Article 9. Solid Waste Management. Part 1. Definitions. § 130A-290. Definitions. (a) Unless a different meaning is required by the context, the following definitions shall apply throughout this Article:
How We ThinkGreen | Waste Management
Learn how Waste Management is thinking green, turning waste into a resource, and putting sustainability at the core of our business.
Accidents - Sulphuric Acid
Last week more than a dozen people were treated at a hospital after the leak at Hydrite Chemical Co.Firefighters at the scene said sulfur dioxide had leaked and winds carried fumes to nearby Hulman-Mini Speedway, where a crowd was watching auto races.
Environmental Impact by Source | energy4me
Environmental Impact by Source All energy sources affect the environment. There is no such thing as a completely "clean" energy source. Getting the energy we need affects our environment in many different ways.