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| Optimization of Preparing MoFe with Molybdenum-containing Waste Residue by Response Surface Methodology |
| Received:July 26, 2016 Revised:September 01, 2017 |
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| DOI： |
| KeyWord:Ammonia leach residue; calcium-molybdate; response surface methodology; central composite design; recovery molybdenum |
| Author | Institution |
| YANG Shuang-ping |
西安建筑科技大学 冶金工程学院 |
| ZHOU Jiang-feng |
西安建筑科技大学 冶金工程学院 |
| GUO Shuan-quan |
西安建筑科技大学 冶金工程学院 |
| ZHANG Pan-hui |
西安建筑科技大学 冶金工程学院 |
| WANG Miao |
西安建筑科技大学 冶金工程学院 |
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| Abstract: |
| The present study was carried out for the recovery of molybdenum by using Ammonia leach residue and calcium-molybdate were used in the experiment for preparing MoFe by direct reduction process.The main influence factors and levels were ascertained by single factor experiments,and response surface methodology(RSM) was used in optimizing the main influence factors of recovery of molybdenum.The results show that the effect of melting temperature on the molybdenum recovery yield is the most significant, the effect of alkalinity is second, and the effect of holding time is minimum.Through analyzing the results of response surface methodology experiments, a quadratic polynomialmodel of the molybdenum recovery yield by using molybdenum industrial waste.The optimal values of the operation parameters under the related constraint conditions were found the melting temperature value of is 1525℃,the holding time is 20.13min, the alkalinity is 1.29.In addition,a satisfactory goodness-of-fit was achieved between the predictive and the experimental results,the relative error between actual and predicted values is 0.74%. |
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