SEMINAR ON IRON ORE BENEFICIATION

CHALLENGES TO IRON & STEEL INDUSTRY

PRESENTEE: K K SHARMA

M.N.DASTUR & COMPANY (P) LTD

KOLKATA, INDIA

TITLE

LEAN IRON ORE BENEFICIATION

THIS PRESENTATION ATTEMPTS TO DISCUSS THE THIS PRESENTATION ATTEMPTS TO DISCUSS THE BEGINNING OF AN ERA OF LEAN IRON ORE BENEFICIATION IN BEGINNING OF AN ERA OF LEAN IRON ORE BENEFICIATION IN INDIA ENLIGHTENING THE NEED OF THE SAME.INDIA ENLIGHTENING THE NEED OF THE SAME.

THE PROCESS TECHNOLOGY ADOPTED TO SUIT THE THE PROCESS TECHNOLOGY ADOPTED TO SUIT THE REQUIREMENT AS WELL AS THE FUTURE TRENDS ARE ALSO REQUIREMENT AS WELL AS THE FUTURE TRENDS ARE ALSO OUTLINEDOUTLINED

SYNOPSISSYNOPSIS

INDIA IS ENDOWED WITH LARGE IRON ORE RESERVE OF INDIA IS ENDOWED WITH LARGE IRON ORE RESERVE OF AROUND 26 BILLION TONNESAROUND 26 BILLION TONNES

CURRENT MINING PRACTICE ADOPTS A CUT OFF GRADE CURRENT MINING PRACTICE ADOPTS A CUT OFF GRADE OF 58% Fe CONTENT. AS A RESULT OF WHICH LOT OF LOW OF 58% Fe CONTENT. AS A RESULT OF WHICH LOT OF LOW GRADE INSITU DEPOSITS ARE LOCKED IN OPERATING GRADE INSITU DEPOSITS ARE LOCKED IN OPERATING MINESMINES

MINING OF THE ABOVE INSITU DEPOSITS WILL LEAD TO MINING OF THE ABOVE INSITU DEPOSITS WILL LEAD TO INCREASE IN RESERVE BASE. MOREOVER IT WILL INCREASE IN RESERVE BASE. MOREOVER IT WILL IMPROVE THE MINING ECONOMICS.IMPROVE THE MINING ECONOMICS.

PROLOGUE

CONTD.

BESIDES THESE INSITU DEPOSITS HUGE STOCKPILES OF LOW BESIDES THESE INSITU DEPOSITS HUGE STOCKPILES OF LOW GRADE ORE HAS BEEN CREATED IN ALL OPERATING MINES IN GRADE ORE HAS BEEN CREATED IN ALL OPERATING MINES IN COURSE OF REMOVAL OF OVERBURDEN AND SELECTIVE MINING COURSE OF REMOVAL OF OVERBURDEN AND SELECTIVE MINING DURING MINE DEVELOPMENTDURING MINE DEVELOPMENT

THIS LOW GRADE ORE CAN NOT BE UTILISED DUE TO LOW THIS LOW GRADE ORE CAN NOT BE UTILISED DUE TO LOW INDUSTRIAL VALUE AND MARKETABILITYINDUSTRIAL VALUE AND MARKETABILITY

A LARGE AMOUNT OF SLIME CONTAINING 48-62% Fe IS ALSO A LARGE AMOUNT OF SLIME CONTAINING 48-62% Fe IS ALSO BEING GENERATED YEARLY IN THE BENEFICIATION PLANTS BEING GENERATED YEARLY IN THE BENEFICIATION PLANTS SPREAD ALL OVER THE COUNTRYSPREAD ALL OVER THE COUNTRY

PROLOGUE

A LARGE QUANTITY OF LOW GRADE INSITU RESERVE, A LARGE QUANTITY OF LOW GRADE INSITU RESERVE, DUMPED MATERIAL AND SLIMES ARE AVAILABLE FOR DUMPED MATERIAL AND SLIMES ARE AVAILABLE FOR UPGRADATIONUPGRADATION

TO OBTAIN AN UPGRADED CONCENTRATE FROM THESE TO OBTAIN AN UPGRADED CONCENTRATE FROM THESE MATERIAL, PROPER LIBERATION OF MINERAL PARTICLES MATERIAL, PROPER LIBERATION OF MINERAL PARTICLES FROM GANGUE PARTICLES IS NECESSARYFROM GANGUE PARTICLES IS NECESSARY

FOR LIBERATION THE MATERIAL IS REQUIRED TO BE FOR LIBERATION THE MATERIAL IS REQUIRED TO BE GROUNDED TO FINER SIZE, WHICH MIGHT NOT BE SUITABLE GROUNDED TO FINER SIZE, WHICH MIGHT NOT BE SUITABLE FOR SINTER MAKING, BECAUSE OF SIZE LIMITATIONFOR SINTER MAKING, BECAUSE OF SIZE LIMITATION

HENCE, PELLETISATION OF THE FINER SIZE CONCENTRATE IS HENCE, PELLETISATION OF THE FINER SIZE CONCENTRATE IS NECESSITATED TO ENABLE APPROPIATE UTILISATION OF THE NECESSITATED TO ENABLE APPROPIATE UTILISATION OF THE SAMESAME

CALL OF THE DAY

CONTD.

AFTER LIBERATION, THESE LOW GRADE MATERIALS CAN BE AFTER LIBERATION, THESE LOW GRADE MATERIALS CAN BE BENEFICIATED SUITABLY/ECONOMICALLY FOR PELLET BENEFICIATED SUITABLY/ECONOMICALLY FOR PELLET

PRODUCTION AND UTILISED FOR IRON & STEEL MAKINGPRODUCTION AND UTILISED FOR IRON & STEEL MAKING

RECENTLY SOME CASES HAVE BEEN REPORTED THAT IT IS RECENTLY SOME CASES HAVE BEEN REPORTED THAT IT IS POSSIBLE TO UPGRADE LOW GRADE ORE WITH 56% Fe TO A POSSIBLE TO UPGRADE LOW GRADE ORE WITH 56% Fe TO A CONCENTRATE OF +65% Fe THROUGH JIGGING PROCESSCONCENTRATE OF +65% Fe THROUGH JIGGING PROCESS

FURTHER PROBING IN THIS REGARD IS NECESSARY. IN SUCH FURTHER PROBING IN THIS REGARD IS NECESSARY. IN SUCH CASES PELLETISATION IS NOT NECESSARY AND SINTER CASES PELLETISATION IS NOT NECESSARY AND SINTER

ROUTE FOR IRON MAKING CAN BE PERUSEDROUTE FOR IRON MAKING CAN BE PERUSED

THIS WILL HELP THE COUNTRY IN CONSERVATION AND THIS WILL HELP THE COUNTRY IN CONSERVATION AND OPTIMUM UTILIZATION OF MINERAL RESOURCESOPTIMUM UTILIZATION OF MINERAL RESOURCES

THIS WOULD ALSO ENABLE IRON ORE INDUSTRY TO THIS WOULD ALSO ENABLE IRON ORE INDUSTRY TO RESOLVE RESOLVE ENVIRONMENTAL CONCERNS ARISING DUE TO WASTE DISPOALENVIRONMENTAL CONCERNS ARISING DUE TO WASTE DISPOAL

CALL OF THE DAY

MAJOR IRON ORE PRODUCERS IN INDIA ARE EXPLORING MAJOR IRON ORE PRODUCERS IN INDIA ARE EXPLORING THE POSSIBILITIES TO UTILIZE THIS LOW GRADE THE POSSIBILITIES TO UTILIZE THIS LOW GRADE

MATERIALMATERIAL

MAJOR TEST LABORATORIES AND INSTITUTES ARE ALSO MAJOR TEST LABORATORIES AND INSTITUTES ARE ALSO ENGAGED IN DEVELOPING THE PROCESS FOR ENHANCING ENGAGED IN DEVELOPING THE PROCESS FOR ENHANCING THE QUALITY OF RAW MATERIAL FOR IRON AND STEEL THE QUALITY OF RAW MATERIAL FOR IRON AND STEEL INDUSTRYINDUSTRY

MANY NEW PROJECTS, ORIENTED TOWARDS LOW GRADE MANY NEW PROJECTS, ORIENTED TOWARDS LOW GRADE IRON ORE BENEFICIATION AND RECOVERY OF IRON IRON ORE BENEFICIATION AND RECOVERY OF IRON

VALUES FROM TAILINGS ARE EXPECTED TO COME UP IN VALUES FROM TAILINGS ARE EXPECTED TO COME UP IN NEAR FUTURENEAR FUTURE

FUTURE TRENDS

THE MAJOR PROCESS EQUIPMENT TO BE USED FOR THE MAJOR PROCESS EQUIPMENT TO BE USED FOR

BENEFICIATION ARE:BENEFICIATION ARE:

JIGSJIGS TEETER BED SEPARATOR TEETER BED SEPARATOR

HMSHMS MULTISTAGE CYCLONE MULTISTAGE CYCLONE

SPIRAL CONCENTRATOR SPIRAL CONCENTRATOR HGMS/WHIMS HGMS/WHIMS

FROTH FLOTATIONFROTH FLOTATION

ONE OR COMBINATION OF MORE THAN ONE OF ABOVE ONE OR COMBINATION OF MORE THAN ONE OF ABOVE

TECHNOLOGY CAN BE USED FOR BENEFICIATION OF THESE LOW TECHNOLOGY CAN BE USED FOR BENEFICIATION OF THESE LOW

GRADE MATERIALGRADE MATERIAL

A TYPICAL FLOWSHEET BEING PURSUED BY MAJOR IRON ORE A TYPICAL FLOWSHEET BEING PURSUED BY MAJOR IRON ORE

PRODUCERS FOR TOTAL BENEFICIATION OF LOW GRADE IRON PRODUCERS FOR TOTAL BENEFICIATION OF LOW GRADE IRON

ORE IS SHOWN IN NEXT SLIDE.ORE IS SHOWN IN NEXT SLIDE.

TECHNOLOGY OPTIONS

TOTAL BENEFICIATIONTOTAL BENEFICIATION

THANTHANK YOUK YOU