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PROCESS AND REAGENT FOR SEPARATING FINELY DIVIDED TITANIFERROUR IMPURITIES FROM KAOLIN
PROCESS AND REAGENT FOR SEPARATING FINELY DIVIDED TITANIFERROUR IMPURITIES FROM KAOLIN
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机译:从高岭土中分离出细化的钛铁杂质的方法和试剂
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摘要
A mineral beneficiating reagent containing an alkyl hydroxamic acid or salt thereof and a nonionic surfactant. The alkyl hydroxamic acid or a salt thereof is represented by the formula: R-C(=O)N(R")--OM, wherein R is linear or branched C2-C18 alkyl, linear or branched C2-C18 alkenyl, C6-C20 aryl or substituted aryl, C7-C26 aralkyl or substituted aralkyl; R" is H, C1-C12 alkyl or aralkyl; M is hydrogen, an alkali metal, or an ammonium cation represented by N+(A,B,C,D) wherein each of A,B,C,D, respectively, are H or C1-C6 alkyl or benzyl radicals. The nonionic surfactant can be any known nonionic surfactant, including but not limited ethoxylated alcohols, esters, ethoxylated acids, ethoxylated (alkyl) phenols, alcanolamides, polyethylene oxide copolymers and mixtures thereof.
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