. Journal. i o o. follows :—Farnley pig, 904 tons ; haematite pig, 9675;iron and steel scrap, 13015 ; ferro-manganese, 473—total, say 235 tons charged. The total weight produced,of ingots and spare metal, is 2193 tons, or about 93 percent, of the raw materials. About 9cwt. of raw dolomiteper ton of ingots has been used for repairs of the furnace, !as deduced from the work done during the year. that in the Bessemer converter. In the latter pro-cess the phosphorus is not eliminated to any great extentuntil the carbon and silicon have almost disappeared ;hence so little as 1974 per cent, of phosp
. Journal. i o o. follows :—Farnley pig, 904 tons ; haematite pig, 9675;iron and steel scrap, 13015 ; ferro-manganese, 473—total, say 235 tons charged. The total weight produced,of ingots and spare metal, is 2193 tons, or about 93 percent, of the raw materials. About 9cwt. of raw dolomiteper ton of ingots has been used for repairs of the furnace, !as deduced from the work done during the year. that in the Bessemer converter. In the latter pro-cess the phosphorus is not eliminated to any great extentuntil the carbon and silicon have almost disappeared ;hence so little as 1974 per cent, of phosphoric acid inthe final slag was not expected. Another sample of slag,taken after the pig was fluid, but before the scraps weremelted, was, however, found to contain 5087 per cent. 600 THE JOURNAL OF THE SOCIETY OF CHEMICAL INDUSTRY. (Oct. 29,1885. of phosphoric acid. Samples of metal taken when thewhole charge was melted, and befwre boiling commencedhave always been found to contain less phosphorus thanthe cha
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
