Table 2. Deodorization rate of board prepared at different mixing ratio of sawdust, rice husk and charcoal
Mixing ratio of sawdust:rice husk:charcoal (%) | Running time (min) | Concentration of blank (μmol/mol) | Concentration of sample (μmol/mol) | Deodorization rate (%) |
50:35:05 | 0 | 20 | 20 | |
30 | 20 | 6 | 70 |
60 | 20 | 5 | 75 |
90 | 20 | 5 | 75 |
120 | 20 | 4 | 80 |
50:30:10 | 0 | 20 | 20 | |
30 | 20 | 5.8 | 71 |
60 | 20 | 4.8 | 76 |
90 | 20 | 4.6 | 77 |
120 | 20 | 3.8 | 81 |
50:25:15 | 0 | 20 | 20 | |
30 | 20 | 5.4 | 73 |
60 | 20 | 4.8 | 76 |
90 | 20 | 4.4 | 78 |
120 | 20 | 3.4 | 83 |
50:20:20 | 0 | 20 | 20 | |
30 | 20 | 5.4 | 73 |
60 | 20 | 4.6 | 77 |
90 | 20 | 4 | 80 |
120 | 20 | 3.2 | 84 |