Research Article
Extraction of Zinc and Manganese from Alkaline and Zinc-Carbon Spent Batteries by Citric-Sulphuric Acid Solution
Table 5
Experimental conditions of the second series of precipitation tests: temperature
C without sulphuric acid.
| Test | C6H8O7 | Zn | Mn | (g ) | (g ) | (g ) |
| 1 | 0 | 0 | 0 | 2 | 80 | 0 | 0 | 3 | 160 | 0 | 0 | 4 | 0 | 40 | 0 | 5 | 80 | 40 | 0 | 6 | 160 | 40 | 0 | 7 | 0 | 80 | 0 | 8 | 80 | 80 | 0 | 9 | 160 | 80 | 0 | 10 | 0 | 0 | 20 | 11 | 80 | 0 | 20 | 12 | 160 | 0 | 20 | 13 | 0 | 40 | 20 | 14 | 80 | 40 | 20 | 15 | 160 | 40 | 20 | 16 | 0 | 80 | 20 | 17 | 80 | 80 | 20 | 18 | 160 | 80 | 20 | 19 | 0 | 0 | 40 | 20 | 80 | 0 | 40 | 21 | 160 | 0 | 40 | 22 | 0 | 40 | 40 | 23 | 80 | 40 | 40 | 24 | 160 | 40 | 40 | 25 | 0 | 80 | 40 | 26 | 80 | 80 | 40 | 27 | 160 | 80 | 40 |
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