From: Synthesis and characterization of green phenolic resin with olive oil mill wastewater
Type of the PF resin | Pre-treatment 1 | Pre-treatment 2 | Pre-treatment 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
Meana | SDb | Scale strengthc (N/mm2) | Meana | SDb | Scale strengthc (N/mm2) | Meana | SDb | Scale strengthc (N/mm2) | |
PF | 12.5 | 0.64 | ≥ 10 | 8.8 | 1.27 | ≥ 7 | 6.1 | 2.41 | ≥ 4 |
PF10 | 12.0 | 0.72 | ≥ 10 | 8.2 | 1.66 | ≥ 7 | 5.3 | 1.65 | ≥ 4 |
PF20 | 11.6 | 1.10 | ≥ 10 | 7.5 | 1.48 | ≥ 7 | 4.6 | 1.56 | ≥ 4 |
PF30 | 10.9 | 1.55 | ≥ 10 | 6.1 | 1.54 | ≥ 7 | 4.1 | 2.78 | ≥ 4 |
PF40 | 8.6 | 1.74 | ≥ 10 | 3.2 | 1.86 | ≥ 7 | 2.9 | 2.52 | ≥ 4 |