Figure 7 – uploaded by Ozan Kökkılıç

Table 2 — Independent variables and their levels  independent variables for each of the 20 experiments.

Table 3 — Results of magnetite grade and recovery for the 5% feed

Table 5 — Results of magnetite grade and recovery for the 15% feed

Table 6 —- Summary of ANOVA for regression models

Table 8 —- Summarized Student’s t-test for 10 % feed grade  Table 7 — Summarized Student’s t-test for 5 % feed grade

Table 9 — Summarized Student’s t-test for 15 % feed grade

* Error shown for validation tests represents 95 % confidence intervals  Table 11 — Comparative data at optimum conditions for validation  fluidizing bed becomes more important.