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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/010/05/0423-0433

    • Keywords

       

      Selective flocculation; iron-chelating functional group; modified polyacrylamide; hydroxamates

    • Abstract

       

      High molecular weight polyacrylamides were synthesized and successfully modified to contain up to 8·3% hydroxamate functional groups. The selective flocculation tests carried out on 1:1 iron oxide/kaolin mixtures using parent polyacrylamide, polyacrylic acid and the modified polyacrylamide, confirm the possibility of enhancing selectivity through introduction of iron chelating functional groups in commercially available polymers. Starting with a feed grade of 35% iron, 92% recovery with acceptable grade of 60% iron has been achieved using the modified polyacrylamide.

    • Author Affiliations

       

      S A Ravi Shankar1 Pradip1 M G Deo1 2 R A Kulkarni1 2 S Gundiah1 2

      1. Tata Research Development and Design Centre 1, Mangaldas Road, Pune - 411 001, India
      2. National Chemical Laboratory, Pune - 411 008, India
    • Dates

       
  • Bulletin of Materials Science | News

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