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Product Introduction
Sodium Humate is a water-soluble, non-toxic, and eco-friendly organic polymer derived from natural sources like weathered coal or peat . In flotation, it serves as a selective depressant for gangue minerals (e.g., silicates, carbonates, and iron-based ores) by adsorbing onto their surfaces through chelation or electrostatic interactions . This action enhances the hydrophilicity of unwanted minerals, reducing their floatability and improving the separation of target metals (e.g., copper, tin, or tungsten).
Applications include depressing pyrite in copper ore flotation , inhibiting iron oxides in tin ores , and enabling cleaner coal processing by suppressing clay minerals . Its advantages include cost-effectiveness,biodegradability, and the ability to replace toxic reagents (e.g., dichromate) while maintaining recovery rates and concentrate grade .
Product Advantage
1.Sodium humate acts as an efficient and selective depressant for various gangue minerals. It effectively suppresses silicate and aluminosilicate gangue in copper ore flotation, iron minerals likeduring tin concentration, carbonaceous material, and oxidized galena, thereby enhancing the separation of valuable minerals . Its selective action stems from its ability to adsorb more strongly onto specific mineral surfaces, making them hydrophilic and preventing their flotation . This selectivity helps in achieving a higher-grade concentrate without compromising recovery rates .
2.A key advantage of sodium humate is its role as a non-toxic and eco-friendly alternative to hazardous reagents like potassium dichromate and sodium cyanide . It is biodegradable, readily soluble in water, and sourced from abundant natural materials like weathered coal or peat, making it cost-effective to produce . This combination ofbeing an economical and green reagent simplifies processing in some cases and contributes to more sustainable mining practices .
Technical Parameters
| Item | Index |
| Active Ingredient (%)≥ | 50 |
Product Uses
Main Purpose: Sodium humate is mainly used as a regulator in mineral processing, which has a strong inhibitory effect on hematite, limonite and magnetite.Sometimes it is used as an inhibitor for copper and lead separation.
Packing Specification
25kg/bag
