IEA Online Data Services. Coal Information (2018 edition)
Expanded product description. New!! (July 2018): The preliminary version of this online data service has just been released. The Coal Information 2018 data service contains time series of coal data for 35 OECD countries from 1960 to 2016.
Metallurgical coal, also known as coking coal, is used to produce coke, the primary source of carbon used in steelmaking.Coal is a naturally occurring sedimentary rock formed over millions of years as plants and other organic materials are buried and subjected to geological forces.
There are three mines in the Elk Valley Coalfield. The Line Creek Mine produces medium-volatile hard coking coal, along with some PCI and thermal coal. I n the northern part of the Elk Valley coalfield, Greenhills and Fording River mines produce medium and high-volatile coking coal from a number of seams through a thick Mist Mountain section
Bituminous coal, also called soft coal, the most abundant form of coal, intermediate in rank between subbituminous coal and anthracite according to the coal classification used in the United States and Canada.
Coking coals. Although chemical composition alone cannot be used to predict whether a coal is suitable for coking, prime coking coals generally have volatile matter contents of 20 to 32 percent—i.e., the low- and medium-volatile bituminous ranks.
Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster.It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
Carbon Dioxide Emission Factors by Coal Rank and State of Origin. The (arithmetic) average emission factors obtained from the individual samples (assuming complete combustion) (Table FE4) (10) confirm the long-recognized finding that anthracite emits the largest amount of carbon dioxide per million Btu, followed by lignite, subbituminous coal, and bituminous coal.
Advanced Coal Science - Coal Marketing International
Advanced Coal Science Coal – How It Is Formed. Coal is made from Peat that has been compressed and then subjected to high temperature ( + 100° Celcius) for a few million years to drive off moisture, methane and carbon dioxide bearing molecules.
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen.
Strip mining is used when coal seams are located close to the surface. It relies on very large machinery and requires many fewer workers per unit of coal. First, vegetation and soil are removed from the immediate surface.