From: Synthesis and characterization of green phenolic resin with olive oil mill wastewater
Test number | Test conditions | Scale Strength (N/mm2) | |||
---|---|---|---|---|---|
C1 | C2 | C3 | C4 | ||
Pre-treatment 1 | (7 days in standard conditions) | ≥ 10 | ≥ 10 | ≥ 10 | ≥ 10 |
Pre-treatment 2 | (7 days in standard conditions 24 h in cold water at (20 ± 5) °C) | – | ≥ 7 | ≥ 7 | ≥ 7 |
Pre-treatment 3 | (7 days in standard conditions 3 h in boiled water 2 h in cold water at (20 ± 5) °C) | – | – | – | ≥ 4 |