کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
234327 | 465402 | 2009 | 7 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Evaluation of models for air recovery in a laboratory flotation column Evaluation of models for air recovery in a laboratory flotation column](/preview/png/234327.png)
One of the more interesting recent topics in flotation modelling is the association between the fraction of air that overflows to the concentrate as unbroken bubbles (air recovery, α) and concentrate recovery. This paper analyses several models to estimate air recovery. These models were tested using experimental data obtained with a laboratory flotation column (2 m high; 0.095 m diam.), which was used to float sphalerite. Predictions from these models were compared with the results obtained by image analysis. The aim of this last technique was to have a reference measurement, quantifying by visual detection (manual method) the bubbles bursting on the surface. Based on the experimental results, the best models were identified. This kind of comparison is valuable for simulator developers.
Journal: Minerals Engineering - Volume 22, Issue 14, November 2009, Pages 1193–1199