Modeling and optimization of Multi-Gravity Separator to produce celestite concentrate

✍ Scribed by N. Aslan

• Book ID: 104088623
• Publisher: Elsevier Science
• Year: 2007
• Tongue: English
• Weight: 379 KB
• Volume: 174
• Category: Article
• ISSN: 0032-5910
• DOI: 10.1016/j.powtec.2007.01.007

✦ Synopsis

In this study, a three-level Box-Behnken factorial design combined with response surface methodology (RSM) for modeling and optimizing of some operations parameter of Multi-Gravity Separator (MGS) to produce a celestite concentrate was developed. The three significant operational parameters of MGS, which are drum speed, tilt angle and shake amplitude, were varied and the results evaluated with the Box-Behnken factorial design. Second-order response functions were produced for the celestite grade and recovery of the concentrate. Taking advantage of the quadratic programming, a drum speed of 150 rpm, tilt angle of 6°and shake amplitude of 20 mm have been determined as optimum levels to achieve the maximum SrSO 4 concentrate grade of 96.91%, whereas the maximum level of grade was 95.69% in the tests conducted or predicted. In the same way, a drum speed of 250 rpm, tilt angle of 2°and shake amplitude of 10 mm has been determined as optimum levels to achieve the maximum recovery of 98.35%, whereas it was 95.83% in the tests conducted or predicted.