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 ?
Under the reverse bidding methodology, bidders have to submit bids below the Coal India Limiteds notified price for corresponding grade of coal which is the ceiling price.
This is a higher grade of coal than Usibelli mines at Healy.
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.
Their energy manager Graham Lewis said Tower's markets would not be affected either way, since they produce a different grade of coal to the complex in England.
The acquired patent allows HC&SS to exclusively sell or license the new technologies to holders of mineral rights in any grade of coal or lignite, recyclers, agricultural waste producers, and others desiring to monetize large amounts of carbon bearing solids.
Both are operating considerably below their capacity partly because they have been designed to use anthracite, a grade of coal that is more profitable to export.
The grade of coal and rates for sale of coal as per the specific grade is fixed by the APM DTC which are: Grade A-@Rs.