From: Preparation of inorganic catalysts from ceramic industry wastes for use in the production of biofuel
Catalyst type | No. — catalyst | 4% MC | 4% MB | 4% MW 1 | 4% MW 2 | 4% MW 3 |
---|---|---|---|---|---|---|
Freezing point (°C) | − 52 | − 51 | − 51 | − 48 | − 48 | − 56 |
Existent gum mg/100 ml | 6.4 | 5.9 | 6.1 | 6 | 6.2 | 5.9 |