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 40^∘C without sulphuric acid.

Test	C6H8O7	Zn	Mn
	(g L^−1)	(g L^−1)	(g L^−1)
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