manganese sand
Premium Manganese Sand for Water Filtration Solutions
Manganese sand is a specially processed filtration media used for removing iron, manganese, and hydrogen sulfide from water through oxidation and filtration. Our manganese sand offers superior performance with high manganese dioxide (MnO₂) content that ensures effective filtration and long service life.
Product Specifications
- Material: Natural manganese ore with high MnO₂ content
- MnO₂ Content: 35-45% (higher grades available)
- Particle Size: 0.6-1.2mm, 1.2-2.5mm (standard sizes)
- Bulk Density: 1.8-2.2 g/cm³
- Mohs Hardness: 5-7
- Color: Brown-black
- pH Range: 6.0-8.5
- Service Life: 3-5 years with proper maintenance
Technical Performance Data
| Parameter | Value | Test Method |
|---|---|---|
| Iron Removal Rate | ≥95% | ASTM D1068 |
| Manganese Removal Rate | ≥90% | ASTM D858 |
| Breakthrough Capacity | 15-25 g Fe/kg media | ANSI/NSF 61 |
| Hydraulic Conductivity | 10-15 m/day | ASTM D2434 |
Manganese Sand Application Areas
Our manganese sand is widely used in:
- Groundwater treatment plants
- Municipal water supply systems
- Industrial water treatment
- Swimming pool filtration
- Aquaculture water treatment
Manganese Sand FAQ
Q: How often should manganese sand be replaced?
A: Under normal operating conditions, manganese sand typically lasts 3-5 years before requiring replacement. The exact lifespan depends on water quality, flow rates, and maintenance practices. Regular backwashing helps extend the media's effectiveness. When iron or manganese starts appearing in the effluent water, it indicates replacement is needed.
Q: What's the difference between manganese sand and greensand?
A: While both are used for iron and manganese removal, manganese sand is a natural medium containing manganese dioxide, whereas greensand is glauconite coated with manganese dioxide. Manganese sand generally has higher capacity and doesn't require potassium permanganate regeneration like greensand often does. Our manganese sand offers better mechanical strength and longer service life.
Q: What flow rate is recommended for manganese sand filters?
A: The optimal flow rate for manganese sand filters is typically 5-10 gpm per square foot of filter area (12-25 m³/h per m²) for effective treatment. Higher flow rates may compromise filtration efficiency, while lower rates reduce system productivity. Always consult our technical specifications for your specific manganese sand grade and application requirements.
Packaging Options
We offer manganese sand in various packaging configurations:
- 25kg PP woven bags with liner
- 1-ton supersacks with lifting loops
- Bulk truckloads (20-25 tons per load)
Why Choose Our Manganese Sand?
Our manganese sand undergoes strict quality control to ensure:
- Consistent grain size distribution for optimal filtration
- High MnO₂ content for superior oxidation capacity
- Low friability to minimize breakdown during backwashing
- Uniform particle shape for even flow distribution
For industrial-scale applications, we can provide customized manganese sand blends tailored to your specific water chemistry and flow requirements. Our technical team can assist with system design and optimization to maximize your filtration performance.