Use of a derivative of aspartic acid as a collector in froth...
Use of anionic surfactants to aid in coal/water separation
Use of c in8-34 xx .alpha. olefin sulfonates to improve and...
Use of cupric chloride in zinc flotation
Use of fatty amine salts in combination with fatty acids as...
Use of tetraalkylammonium halides as flotation collectors
Use of thiouracils as selective depressants for the...