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Conference Proceedings

The AusIMM Proceedings 1918

Conference Proceedings

The AusIMM Proceedings 1918

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Description of the Roasting of Sulphide Ore by the Huntington-Heberlein Process

Al ores arriving at the works which contain more than 3% sulphur, together with all sands and other fine residues, are delivered to the roasting department. Those that are in a coarse condition are first sent to the crushing plant, consisting of 15 in. x 9 in. jaw crushers and two No. 5 Krupp mills. The ore is here crushed through a quarter mesh screen. Any pyritic concentrates high in sulphur are given a preliminary roasting, to bring the sulphur contents down to about 12 % and the roasted material is delivered to the H. H. charge-making bins. Here the various ores, sands, residues, roasted pyrites, together with about 12 % of limestone, are made up into I-ton charges in hopper trucks with bottom discharge. The trucks are elevated by hydraulic lifts to a tramway running over the roasting furnaces, and the contents are dropped into hoppers over each furnace, from whence the mixture is fed into the centre of each furnace by means of a Challenge ore-feeder.
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  • Description of the Roasting of Sulphide Ore by the Huntington-Heberlein Process
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  • Published: 1917
  • PDF Size: 1.717 Mb.
  • Unique ID: P_PROC1918_0217

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