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alkyl hydroxim use in froth flotation process

  • US Patent # 4,657,669. Depressants for froth flotation ...

    The invention concerns the use of 5-hydroxy-3-thiazolidine-2-thiones of the structure I ##STR1## where R.sub.1 =(CHOH).sub.m, R.sub.2 =(CHOH).sub.n where (m+n)=0 to 6, and R.sub.3 is alkyl or hydroxy-alkyl as depressants in the flotation of mixtures of base metal minerals, particularly those containing molybdenum, copper, lead, zinc; and to

  • Froth flotation Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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