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Home/Questions/Q 107144
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pavankrishna
pavankrishna
Asked: June 5, 20212021-06-05T00:16:01+05:30 2021-06-05T00:16:01+05:30In: Iron & Steel Making

why sinter is used upto 50%, but pellet 15-20% in blast furnace burden even though pellets have good permeability?

why sinter is used upto 50%, but pellet 15-20% in blast furnace burden even though pellets have good permeability?
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    3 Answers

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    1. Kathirvelan R Silver Learner
      2021-06-14T07:25:53+05:30Added an answer on June 14, 2021 at 7:25 am

      The cost of the pellets making process is very expensive compare to sinter making process. That's why we are using little pellets to improve burden quality.

      The cost of the pellets making process is very expensive compare to sinter making process. That’s why we are using little pellets to improve burden quality.

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    2. RAVI PRASAD
      2021-10-10T04:25:41+05:30Added an answer on October 10, 2021 at 4:25 am

      Its not a prefluxed raw material & simultaneously uses of higher percentage of Pellet is not economic. production cost will go higher side.

      Its not a prefluxed raw material & simultaneously uses of higher percentage of Pellet is not economic.

      production cost will go higher side.

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    3. sbhusan123 Iron
      2021-08-29T12:30:59+05:30Added an answer on August 29, 2021 at 12:30 pm

      Pellets formation is bit expensive and pellets are formed from low grade ores and doesn't have much strength as compared to sintered ores.

      Pellets formation is bit expensive and pellets are formed from low grade ores and doesn’t have much strength as compared to sintered ores.

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