METHOD FOR REDUCING THE MOISTURE CONTENT OF FILTRATION RESIDUES IN THE RECOVERY OF COAL AND WATER INSOLUBLE MINERALS

摘要

The invention relates to a method for reducing the moisture content of filter residue in the recovery of water-insoluble coal and minerals. /P P FOR FILTERING A WATER-BASED SUSPENSION CONTAINING A MIXTURE OF SILICEOUS GANGUE AND FROM A COMPONENT CONSISTING OF COAL OR ORE INSOLUBLE IN WATER, A COMBINATION OF A WETTING AGENT AND GUAR GUM IS ADDED TO THE SUSPENSION TO BE FILTERED, THE WETTING AGENT BEING ADDED BY APPROXIMATELY 90 TO 910G AND GUAR GUM IS ABOUT 23 TO 230 G PER TON OF SOLID SUSPENSION CONSTITUENTS. /P P THE INVENTION APPLIES IN PARTICULAR TO THE FILTRATION OF COAL AND ORE SUSPENSIONS CONTAINING A SILICEOUS GANGUE.