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US5756622A Polymeric sulfide mineral depressants 失效
聚合硫化物矿物抑制剂

Polymeric sulfide mineral depressants
摘要:
Novel depressants for depressing sulfide minerals during froth floatation of ores to recover value minerals are disclosed, as well as a method for their use in the froth flotation. The novel depressants are terpolymers of a (meth)acrylamide, an allyl thiourea and a hydroxyalkyl (meth)acrylate.
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