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Introduction and Historical Review
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20 per cent addition of anthracite ammonia ammonium sulphate analysis anthra anthracite additions anthracite blend coke anthracite coke anthracite fines anthracite replacing Anthracoal appears ash content bituminous coal blend blast blast-furnace blending agent box tests buckwheat anthracite by-product coke by-product plants calculated carbon plus ash cent anthracite cent of anthracite cite coal carbonized coke breeze coke plant coke produced coke yield coking blend coking coal blend colliery decrease different percentages effect of anthracite Equation Figure fixed carbon foundry coke friability furnace gas yield high-volatile increased throughput inert light oil low-volatile coal mixture moisture content Mott and Wheeler original coals Pennsylvania Pennsylvania State College percentages of anthracite Piette ovens plant operation plant-scale Pocahontas porosity Powellton rate of coking reactivity reported resultant coke satisfactory shatter indices shown in Table Silkstone South Yorkshire temperature true specific gravity tumbler test U. S. Bureau value of anthracite Wheeler12 yield of coke