Zine sulfide particles, 2 mm in diameter, were roasted in air at steady state. The samples...

 

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Zine sulfide particles, 2 mm in diameter, were roasted in air at steady state. The samples of ore were taken periodically, erushed and analysed as shown in Table A5.1. Assuming that the particles were spherical, (6) Determine if the results are consistent with shrinking core model? Establish whether the rate of reaction was proportional to the arca? Calculate the time for complete reaction for 10 and 5 mm particles? (i) (iii) Table :A4.1 Conversion as a function of time Time (min) 15 30 60 75 90 45 0.60 Conversion (X) 0.35 0.45 0.80 0.88 0.9 Zine sulfide particles, 2 mm in diameter, were roasted in air at steady state. The samples of ore were taken periodically, erushed and analysed as shown in Table A5.1. Assuming that the particles were spherical, (6) Determine if the results are consistent with shrinking core model? Establish whether the rate of reaction was proportional to the arca? Calculate the time for complete reaction for 10 and 5 mm particles? (i) (iii) Table :A4.1 Conversion as a function of time Time (min) 15 30 60 75 90 45 0.60 Conversion (X) 0.35 0.45 0.80 0.88 0.9