Industrial Grade Manganese Carbonate for Desulfurization
Short Product Description
Industrial Grade Manganese Carbonate is used as a reactive manganese source in flue gas desulfurization (FGD) systems. With Mn content typically ≥44%, it supports SO₂ removal and manganese recovery processes. Suitable for wet desulfurization slurry and chemical absorption systems.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| MnCO₃ Purity | ≥ 98% |
| Manganese (Mn) Content | ≥ 44% |
| Particle Size | 100–200 mesh |
| Moisture | ≤ 1.5% |
| Bulk Density | 0.9–1.2 g/cm³ |
| Acid Reactivity | ≥ 95% |
| Iron (Fe) | ≤ 0.1% |
| Calcium (Ca) | ≤ 0.3% |
| Magnesium (Mg) | ≤ 0.3% |
| Lead (Pb) | ≤ 20 ppm |
| Arsenic (As) | ≤ 10 ppm |
| Cadmium (Cd) | ≤ 5 ppm |
Key Features
- Reactive manganese source for SO₂ absorption and acid neutralization
- Supports manganese leaching and recycling in desulfurization systems
- Controlled Fe content to optimize catalytic oxidation efficiency
- Low Pb, Cd, and As for environmental compliance
- Consistent particle size for slurry stability and mass transfer efficiency
- Industrial Grade Manganese Carbonate suitable for wet FGD processes
Applications
- Flue gas desulfurization (FGD) – manganese carbonate reacts with acid generated from SO₂ absorption to form soluble Mn²⁺ species, enabling sulfur removal
- Power plant emission control – used in wet scrubber systems for SO₂ reduction
- Metallurgical off-gas treatment – improves sulfur removal efficiency in smelting operations
- Chemical processing plants – supports acid gas neutralization and recovery
- Industrial Grade Manganese Carbonate for desulfurization – applied in multi-stage slurry systems for high SO₂ concentration treatment
Problems This Product Solves
- Low SO₂ removal efficiency → improves absorption and reaction kinetics in wet systems
- Poor manganese recovery → enables Mn²⁺ leaching for downstream reuse
- Excess iron interference → controlled Fe levels support catalytic oxidation balance
- By-product instability (e.g., MnS₂O₆ formation) → optimized composition helps process control
- Slurry handling issues → uniform particle size improves dispersion and reaction efficiency
Packaging & Supply
- 25 kg kraft paper bags with PE liner
- Palletized export packaging
- Available for 20GP / 40HQ container shipment
- Samples available for desulfurization testing
Customization & Technical Support
Adjustable Mn content based on glass formulation requirements
Low-iron (Fe) grade available for high-purity glass applications
Custom particle size for optimized batch mixing
Technical support for pigment formulation and glass color control
FAQ
1. How does manganese carbonate function in desulfurization systems?
Manganese carbonate primarily reacts with acid formed after SO₂ absorption, producing Mn²⁺ and CO₂. The overall process involves SO₂ absorption, oxidation, and acid neutralization, enabling efficient sulfur removal.
2. What is the advantage of Industrial Grade Manganese Carbonate compared to limestone?
Unlike limestone, manganese carbonate allows simultaneous SO₂ removal and manganese recovery as MnSO₄. This enables resource utilization rather than generating low-value gypsum by-products.
3. How do Fe impurities affect desulfurization performance?
Fe³⁺ can act as a catalyst to enhance SO₂ oxidation, but excessive Fe may disrupt process control. Controlled Fe levels ensure stable reaction kinetics and improved efficiency.
4. What are the key operating conditions for MnCO₃ desulfurization?
Typical systems operate at pH 2.5–3.0 with oxygen present to promote oxidation. Temperature and slurry composition also influence SO₂ removal efficiency and manganese leaching.
5. Is manganese carbonate stable during storage?
Yes, it is stable under dry conditions. Moisture exposure should be avoided to prevent agglomeration and reduced reactivity in slurry systems.