KDF85 Filter Media: The Ultimate Solution for Iron & Hydrogen Sulfide Removal in Water Treatment

In industrial and municipal water systems, iron and hydrogen sulfide (H₂S) pose significant challenges—discoloration, corrosion, and unpleasant odors. Meet KDF85 filter media, a proven solution trusted globally for its ability to efficiently remove these contaminants while offering antibacterial, antiscalant, and heavy metal reduction benefits. As a leader in water treatment technology, ZONE delivers KDF85 filter media with unmatched purity, durability, and performance.  

 

I. Key Applications: Where KDF85 Shines  

 

1. Industrial Water Treatment  

- Groundwater Pretreatment: Safeguard RO systems and industrial equipment by removing iron (Fe²⁺) and H₂S from well water, preventing membrane fouling and pipeline corrosion.  

- Cooling Tower Maintenance: Mitigate iron oxide deposits and microbial growth, extending equipment lifespan and reducing chemical treatment costs.  

- Wastewater Treatment: Efficiently adsorb heavy metals (lead, mercury, nickel) in plating/industrial effluents to meet discharge standards.  

 

2. Residential & Commercial Use  

- Home Water Purification: Eliminate yellowish water and "rotten egg" smells, enhancing drinking water quality and protecting household appliances.  

- Hospitality & Healthcare: Ensure clean water for kitchens, laundries, and medical equipment, reducing maintenance issues and bacterial risks.  

- Pool & Spa Systems: Inhibit algae growth and scale formation while reducing chlorine demand, creating safer, low-maintenance water environments.  

 

 

II. Unmatched Performance Advantages  

 

1. 98%+ Iron & 95%+ H₂S Removal Efficiency  

   - Outperforms traditional media like manganese sand across a wide pH range (6.5–9.5), ideal for hard water and well water applications.  

 

2. 5–8 Year Service Life with Minimal Maintenance  

   - Uniform copper-zinc alloy particles (0.149–2.00mm) resist abrasion; regular backwashing restores performance, reducing replacement costs.  

 

3. Multifunctional Protection  

   - Antibacterial: Zinc ions suppress bacteria, algae, and fungi (EPA-certified microbial inhibition).  

   - Antiscalant: Disrupts scale crystal formation, converting hard deposits to soft, removable sludge.  

   - Heavy Metal Adsorption: Captures lead, mercury, and chromium via electrochemical reactions, ensuring safe drinking water (NSF/ANSI 42 compliant).  

 

4. Eco-Friendly & Safe  

   - 100% recyclable, chemical-free composition; backwash water is discharge-safe, aligning with sustainability goals.  

 

III. Core Technology: How KDF85 Works  

 

KDF85’s magic lies in its 85% copper + 15% zinc alloy composition, creating a galvanic cell effect:  

- Cathode (Copper): Facilitates reduction reactions, converting Fe²⁺ to insoluble Fe(OH)₃ and H₂S to CuS precipitates.  

- Anode (Zinc): Releases zinc ions that inhibit microbes and scale while sacrificing itself to protect copper, extending media life.  

This electrochemical redox (REDOX) process ensures continuous, passive purification without energy or chemical input.  

 

IV. How to Maximize KDF85 Performance  

 

1. System Design Best Practices  

- Filtration Staging: Pair with activated carbon (for chlorine/organics) and quartz sand (for sediment) in a 3-stage system for comprehensive treatment.  

- Media Bed Setup: Install 1.0–1.5m depth in pressure tanks or filter cartridges, depending on flow rate (10–20m/h recommended).  

 

2. Maintenance Tips  

- Backwashing: Perform 1–2 times weekly at 2x normal flow for 10 minutes to remove precipitates.  

- Water Quality Monitoring: Replace media when iron >0.3mg/L or H₂S >0.05mg/L; acid-clean (pH 2.5–3.0) before long-term shutdown to remove metal oxide buildup.