. Bulletin. Coal. Coke. Moisture, per cent Volatile matter, percentFixed carbon, Ash, percent Sulphur, per cent Phosphorus, per cent .023 .008 .97 .010 In test 9 coal from district 6, seam 6, was used. Oven chargeswere made with Illinois coal only and with a mixture of 20 per centIllinois coal and 80 per cent low-volatile coal. By-products fromboth charges were determined by a laboratory test. The coke from Illinois coal alone is shown in Plate III, B. Thetendency to break up into small fing

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. Bulletin. Coal. Coke. Moisture, per cent Volatile matter, percentFixed carbon, Ash, percent Sulphur, per cent Phosphorus, per cent .023 .008 .97 .010 In test 9 coal from district 6, seam 6, was used. Oven chargeswere made with Illinois coal only and with a mixture of 20 per centIllinois coal and 80 per cent low-volatile coal. By-products fromboth charges were determined by a laboratory test. The coke from Illinois coal alone is shown in Plate III, B. Thetendency to break up into small fingerlike pieces is noticeable. Thecell structure was fairly open and there was some spongy coke had a porosity of per cent, and in a shatter test cent was retained on a 2-inch screen. Coke from the mixture is shown in Plate V. The pieces were of fairsize with uniform cell structure. There was some tendency to breakin cross fractures, but the coke stood handling well. It had a porosity.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou