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Join Date: Dec 2010
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Method for Calculating Yield of DRI Production in Rotary Kiln

12/16/2010 3:58 AM

we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln. we have been evaluating the yield for production using the following formula :

P = (Q-%TM)X(% Fe (T) in ore - % LOI -1/2 % L&P)

where

P = Production,

Q = Qty of ore used in the Kiln

Fe (T) = Total iron in the ore,

LOI = Loss on Ignition

TM = Moisture content &

L&P = Laterite and Porous material. (Impurities)

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#1

Re: Method for Calculating Yield of DRI Production in Rotary Kiln

12/16/2010 2:47 PM

How does actual yield compare to your calculated yield?

Why only 1/2 of L&P? Is time not an important component or factor somewhere?

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