Table 6. Single-Variable Conditions for Investigation of Optimal Conditions of Process (1).
buffer solutions | H2SO4 | H3PO4 | CH3COOH | ||||
---|---|---|---|---|---|---|---|
pH buffer solutions | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 |
oxidized time (h) | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | |
temperature (°C) | 25 | 35 | 45 | 55 | 65 | ||
mass ratio TCR/KIO4 | 1:1 | 1:2 | 1:4 | 1:8 | 1:10 | ||
concentration of NaCl (mol L–1) | 0.05 | 0.10 | 0.15 | 0.20 | 0.25 |