Coal-pyrite flotation : a modified technique using concentrated second-stage pulp
Kenneth J. Miller, United States. Bureau of Mines, United States. Bureau of Mines. Coal Preparation Program
U.S. Dept. of the Interior, Bureau of Mines, 1975 - Coal preparation - 12 pages
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0.2 lb/ton MIBC 0.5 lb/ton potassium 0.8 lb/ton Aero 30 percent solids 4.18 Second stage Aero Depressant 633 amyl xanthate Clean amyl xanthate Test Ash Pyritic sulfur Ash Total sulfur bed coal--diluted second-stage Bureau of Mines Clean coal underflow coal 1 Reject coal froth concentrate coal--diluted second-stage pulp coal-pyrite flotation process CONCENTRATED SECOND-STAGE PULP Depressant 633 Test diluted and undiluted final clean coal first-stage coal flotation flotation cell Flotation of Pyrite Freeport bed coal Freeport bed coal--undiluted froth concentrate Clean Laboratory flotation results lb/ton Aero Depressant lb/ton MIBC Clean lb/ton potassium amyl Lower Freeport bed MIBC Clean coal percent Analysis percent Reagents Test Pittsburgh bed coal potassium amyl xanthate pulp Product Weight Pyritic sulfur Total Reject froth concentrate Second stage pH Second-stage flotation—diluted Second-stage flotation—undiluted pulp second-stage pulp Product sulfur Clean coal sulfur Total sulfur Total sulfur Clean undiluted pulp undiluted second-stage pulp Upper Freeport bed Weight Ash Pyritic xanthate Clean coal