grade of coal

grade of coal

[¦grād əv ′kōl]
(mining engineering)
A classification of coal based on the amount and nature of the ash and sulfur content.
References in periodicals archive ?
Geolmage is CRAIC Technologies' newest Vitrinite Reflectance Measurement System and is designed to determine the grade of coal and coke by vitrinite reflectance per the ISO 7404-5 and ASTM D2798 standards.
Though coal prices have fallen since 2012, and the grade of coal the Mundra plant needs costs $70 per MT, this is not enough for the plant to turn the corner.
2 times of the Coal India Ltd (CIL) run-of-mine price for average grade of coal, whichever was higher.
Allocation of coal to the industrial establishments and power plants are done based on this declared grade of coal.
This is a higher grade of coal than Usibelli mines at Healy.
Coal India increased the price of low-grade coal by 10% on May 27, and this grade of coal is most commonly used in electricity generation.
There was no violation of Coal Mines (Nationalization) Act, 1973 while extraction and marketing of coal in the said coal block as the NNCB was allotted to the Arunachal Government for commercial use and accordingly marketing of coal was done by the APMDTCL on the basis of grade of coal duly certified by the North East Institute of Science and Technology, Jorhat.
The CAG calculated the undue benefit at the price of the lowest grade of coal.
Liked the bit bunkerkid writes about the grade of coal, and, as I recall, if you didn't "watch the coalman" he would slip some coal dust in to make up the sack.
There is a lawsuit pending before the Arkansas Court of Appeals to prevent the construction of the power plant which will be fueled by a low grade of coal from Wyoming.
The Wrightson Colliery is seen as it was in the early 1890s, when it was at the heart of the West Cramlington pit village community, producing a high grade of coal.
Moreover, CENfuel(TM) can be made from virtually any grade of coal or coal waste.