Oleic Acid (Phosphate Flotation Collector)
CAS Number: 112-80-1
Oleic Acid is a C18 unsaturated fatty acid collector widely used in the direct flotation of phosphate rock, apatite, and carbonate-associated oxide minerals. It adsorbs on apatite and phosphate mineral surfaces through carboxylate chemisorption, rendering them hydrophobic and floatable. Oleic Acid is particularly effective in warm-water direct phosphate flotation circuits and is often saponified with NaOH before use to improve water dispersibility and conditioning efficiency.
Technical Specifications
| appearance | Yellow to amber oily liquid |
| acid value (mg KOH/g) | 195-205 |
| oleic acid content (%) | ≥75 |
| iodine value (g I2/100g) | 85-100 |
Applications
- Direct flotation of phosphate rock and apatite
- Carbonate-fluorapatite ore beneficiation
- Scheelite and calcite flotation
- Fluorite ore concentration
- Iron ore (hematite) direct flotation
Key Features
- High oleic acid content provides strong collecting power for phosphate minerals
- Effective at warm temperatures (>25°C) for high-rate phosphate flotation
- Saponifiable with NaOH for improved cold-water dispersibility
- Compatible with sodium silicate and phosphate depressant systems
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CAS Number
112-80-1
Category
Mining / Flotation ChemicalsAvailability
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