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Sulfurous iron ore (FeS₂) beneficiation process needs to adopt different separation methods according to the difference of ore properties. According to the characteristics of different types of sulfurous iron ore, we provide a variety of sulfurous iron ore beneficiation solutions, such as gravity, flotation, magnetic separation and combined processes, to ensure that the best separation results. Each process can be used individually or in combination to meet different production requirements.
Single gravity separation process
Applicable conditions:
Coarse grains embedded (+0.5mm)
Simple mineral composition
Process flow:
Jig rougher
Spiral chute sweeping
Shaking table selection
Single flotation process
Applicable conditions:
Fine grains embedded (-0.074mm)
Complex associated ores
Process Flow:
Roughing-concentration-sweeping
Pharmacy system:
Trapping agent: yellow drug type
Foaming agent: Pineol oil
Single magnetic separation process
Applicable conditions:
Weak magnetic minerals
High iron content
Process flow:
Strong magnetic separation (1.0-1.2T)
Combined process program
Combined gravity-flotation:
First gravity tailing
After flotation purification
Combined flotation-magnetic separation:
First flotation to get concentrate
After magnetic separation to remove impurities
Combined gravity-flotation-magnetic separation:
Comprehensive advantages of each process


| Process type | Main equipment | Technical characteristics | Processing capacity |
|---|---|---|---|
| Gravity | Jigger | Processing granularity 0-10mm | 5-30t/h |
| Gravity | Spiral chute | Processing granularity 0.02-2mm | 2-4t/h-set |
| Gravity | Shaking table | Processing granularity 0.074-2mm | 0.5-2t/h |
| Flotation | Mechanical agitation flotation machine | Single tank volume 4-16m³ | Supporting design |
| Magnetic separation | High gradient magnetic separator | Field strength 0.8-1.5T adjustable | 10-50t/h |
Ore evaluation
Embedded particle size analysis
Mineral composition testing
Selectivity test
Comparison of solutions
Gravity separation is preferred for coarse-grained ores
Flotation is recommended for fine-grained ores
Magnetic separation for high iron content
Complex ore adopts combined process
Economic Benefit Analysis
Investment cost comparison
Running Cost Evaluation
Investment return estimation


✅ Flexible configuration: choose the best process combination according to the nature of the ore.
✅ High-efficiency sorting: adopting advanced equipment to ensure sorting efficiency.
✅ Economical and practical: high return on investment and controllable operating costs.
✅ Environmental protection and energy saving: water recycling, low pollutant emission.
✅ Stable and reliable: equipment is mature and durable, and the process is stable.
We provide a full range of technical support:
🔬 Experimental research: ore selectivity test
🛠️ Engineering design: process design, equipment selection and configuration, plant layout planning, drawing issuance
👨💻 Production support: equipment installation and commissioning, operation training, process optimization
🔧 After-sales service: long-term technical support, spare parts supply, equipment maintenance

Note: The specific process selection needs to be determined by the ore selectivity test, the sulfurous iron ore production line and process flow solutions can be personalized according to the actual demand for adjustment.
For a detailed understanding of the sulfuric iron ore beneficiation solutions or to get a customized solution quote, welcome to contact our professional technical team!
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