Flotation Depressants and Promoters for Mineral Processing
How Flotation Depressants and Promoters Work
Flotation Depressants
Depressants selectively inhibit collector interaction with unwanted minerals, helping prevent gangue from floating with the desired mineral. This can improve mineral separation, concentrate grade, and recovery.
For example, depressing silica-containing gangue can promote more selective recovery of valuable phosphate minerals.
Flotation Promoters
Promoters enhance the interaction between the collector and the desired mineral. Used as part of a customized flotation reagent program, promoters can help improve mineral recovery, concentrate grade, selectivity, and flotation kinetics.
CustoPrep® Flotation Technologies
Arkema's CustoPrep® technologies include customized depressants and promoters designed to enhance collector performance and improve mineral separation.
Our metallurgical experts evaluate ore mineralogy, collector chemistry, process conditions, and separation objectives to develop CustoPrep® solutions that can help:
- Improve flotation selectivity
- Enhance mineral recovery
- Improve concentrate grade
- Improve flotation kinetics
- Enhance gangue rejection
- Optimize collector performance
CustoPrep® technologies can be tailored for a variety of mineral processing applications, with particular expertise in phosphate, high-purity quartz / silica sand, and iron beneficiation.
Integrated Flotation Reagent Expertise
Depressants and promoters are most effective when optimized as part of the complete flotation reagent program. Arkema evaluates the interactions between collectors, depressants, promoters, frothers, pH modifiers, and process conditions to develop customized reagent strategies for each ore.
Through laboratory testing, reagent development, and plant support, our technical experts can adjust formulations and operating strategies as ore characteristics and process conditions change.
Partner with Arkema
Every mineral separation challenge is different. Arkema's metallurgical experts can evaluate your ore and existing flotation circuit to develop a customized CustoPrep® strategy designed to improve selectivity, grade, recovery, and collector performance.
Send us your ore and let our experts develop a flotation reagent program tailored to your mineral processing objectives.
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