The effects of catalysts on the carbothermic reduction of zinc sulfide in the presence of calcium oxide |
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| Authors: | Che-Ming Wu Chun-I Lin Yu-Ching Peng |
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| Affiliation: | Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan |
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| Abstract: | The effects of the type and the amount of various catalysts on the rate of the carbothermic reduction of zinc sulfide in the presence of calcium oxide were studied using thermogravimetric analysis system (TGA). Experimental results revealed that the order of the effects of the catalysts is Li2CO3 ≈ Na2CO3 ≈ Na2SO4 > Li2SO4 > K2CO3 > K2SO4. It was also observed that with more Li2CO3 the reaction is faster, when the amount of Li2CO3 was less than 2.0 wt.%. |
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| Keywords: | Carbothermic reduction Catalysts Zinc sulfide |
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