Precipitation Reaction Mechanisms of Mineral Deposits Simulated with a Fluid Mixing Model

Table 4

Effect of pH on mixed solution ②.

No.	Sample no.	Pb		Zn		pH
		Concentration (ppm)	Precipitation rate (%)	Concentration (ppm)	Precipitation rate (%)
1	0724-0	93.8	11.51	654	2.10	1
2	0724-1	102.0	3.77	650	2.69	1.81
3	0724-2	100.5	5.19	656	1.80	2.8
4	0724-3	101.0	4.72	657	1.65	3.99
5	0724-4	43.2	59.25	548	17.96	5.33
6	0724-5	15.9	85.00	435	34.88	6.03
7	0724-6	7.2	93.21	196.5	70.58	6.81
8	0724-7	1.4	98.68	12.1	98.19	7.73
9	0724-8	0.8	99.25	4.4	99.34	8.98
10	0724-9	1.7	98.40	5.8	99.13	10
11	0724-10 (control)	106.0	—	668	—	1.81