Page 29 - Technology Compendium
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CSIR-IMMT/MIN - 18

                                              Reduction of phosphorous content of high phosphorous iron ore

            Advantages / Salient Technical Features                 Major Raw Materials to be Utilized
            •  Reduction  in  phosphorous  content  in  high        •  High phosphorous bearing iron ore
               phosphorous bearing Iron ore
            •  Iron ore of different mineralogical composition can   IPR Status / Details (India/Abroad)
               be handled                                           •  Process know how
            •  Advantage of iron content improvement Cost effective
            •  The low phosphorous bearing iron ore can be used     Application/Uses
               suitably in  secondary  steel making containing  low
               phosphorous                                          •  For production of low phosphorous bearing
                                                                      iron ore

            Problem being addressed                                 Scale of Development
            •  Reduction of phosphorous content in steel especially
               in secondary steel making in induction melting is not   •  Pilot Scale (Current TRL Level : 05)
               techno-economically possible.
            •  The best solution to produce low-phosphorous steel   Commercialization Status
               through induction melting furnace is to use iron ore   •  Ready for Commercialization
               containing low-phosphorous.
            •  The process  developed can handle  iron ore  of      Techno-economics
               different  mineralogical  composition  containing    •  NA
               different proportion of phosphorous on case to case
               basis.
                                                                    Technology Package

            Environmental Considerations (if any)                   •  Development    of   commercial   process
            •  Environment Friendly                                   flowsheet
            •  utilization  vas  high  phosphorous  bearing  iron  ore
               resources




















                  High phosphorous bearing          Low phosphorous bearing iron     High phosphorous bearing
                        iron ore (Feed)                     ore concentrate                iron ore tailing



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