The optimization of process conditions for decarbonizing ratio of titanium dibordie (TiB2) powders by reverse flotation was investigated using response surface methodology (RSM). The TiB2 powders was produced by using a powder mixture of C, TiO2 and H3BO3 in a DC electric arc furnace. The carbon is in the form of graphite in the product. The way of carbon removal from the powder of TiB2 produce is reverse flotation. Three key parameters TiB2 size, slurry concentration and collector dosage were chosen as variables. The optimum process conditions for decarbonizing ratio were determined by analyzing the response surface three-dimension surface plot and contour plot and by solving the regression model equation with Design Expert software. The central composite design (CCD) of RSM was used to optimize the process conditions, which showed that TiB2 size of 20µm, slurry concentration of 29.65% and collector dosage of 400 g/t were the best conditions. Under the optimal conditions, the decarbonizing ratio is 87.65%, and the relative error differed by only 1.2% from the predicted values of model (88.72%).
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- Optimization of Main Factors for Decarbonizing Ratio of TiB2 Powders by Reverse Flotation Using Response Surface Methodology
- Springer International Publishing
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