Hydrometallurgy

Extraction and Separation Dezhi Qi. TABLE 2.52 Separation Factors of the Mixture Extractant With the Different Proportions of P507 and C272 [85] C272/P507 Tm/Er Yb/Tm Lu/Yb 1:2 3.55 3.06 1.73 1:1.5 3.21 2.95 1.68 1:1 2.92 2.73 1.6 1:0.75 ...

... Taylor, An Introduction to Error Analysis (Oxford University Press, New York, 1982c) p. 48 4. J.R. Taylor, An Introduction to Error Analysis (Oxford University Press, New York, 1982d) p. 51 5. J.R. Taylor, An Introduction to Error Analysis ...

... McCabe–Thiele diagrams. The stripping McCabe–Thiele diagrams are shown with reversed axes. Figure 6.9 presents an example of a McCabe–Thiele diagram for stripping. The stripping diagram looks similar to the loading diagram. However, the ...

... electrowinning. The optimum conditions for zinc electrowinning are zinc concentration 30–40 g/L, current density 800–1000 A/m2, NaOH concentration 180–200 g/L, and temperature 30–50 C, and those for lead electrowinning are lead ...

... Electrowinning The electrowinning of copper - acid solutions produces marketable copper while regenerating sulfuric acid . Electrowinning equipment requires a high capital investment and is economically feasible only for solutions ...

... temperature and pressure impact “free” energy. As a result, a set of standard conditions has been established. Standard conditions are needed to make uniform free energy comparisons. The SATP conditions used internationally are 298.15 K ...

... Autoclave oxidation of arsenical gold and silver ores in alkaline media is a possible precyanidation step. This work ... Engineers Zipperclave with head fittings made of titanium. This reactor was equipped with a mechanical disc-type ...